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Armed Forces of Navalism => Ship Designs => Topic started by: Jefgte on December 04, 2022, 03:38:02 PM

Title: Byzantine Empire 1925...
Post by: Jefgte on December 04, 2022, 03:38:02 PM
TGB900, Byzantine Empire Colonial Torpedo Gun Boat laid down 1925

Displacement:
   900 t light; 956 t standard; 1 072 t normal; 1 165 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (262,14 ft / 262,14 ft) x 29,53 ft x (11,43 / 12,10 ft)
   (79,90 m / 79,90 m) x 9,00 m  x (3,49 / 3,69 m)

Armament:
      4 - 4,72" / 120 mm 45,0 cal guns - 50,00lbs / 22,68kg shells, 230 per gun
     Quick firing guns in deck mounts, 1925 Model
     2 x 2-gun mounts on centreline ends, evenly spread
      1 - 3,00" / 76,2 mm 45,0 cal gun - 12,50lbs / 5,67kg shells, 320 per gun
     Anti-air gun in deck mount, 1925 Model
     1 x Single mount on centreline, aft deck aft
      1 raised mount
      4 - 1,85" / 47,0 mm 45,0 cal guns - 3,19lbs / 1,45kg shells, 1 000 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on sides, forward evenly spread
      4 raised mounts
      2 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 6 000 per gun
     Machine guns in deck mounts, 1925 Model
     2 x Single mounts on sides, forward deck forward
      2 raised mounts
      Weight of broadside 225 lbs / 102 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,79" / 20 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Coal and oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 14 980 shp / 11 175 Kw = 27,00 kts
   Range 5 000nm at 12,00 kts
   Bunker at max displacement = 208 tons (25% coal)

Complement:
   93 - 121

Cost:
   £0,349 million / $1,396 million

Distribution of weights at normal displacement:
   Armament: 43 tons, 4,0 %
      - Guns: 43 tons, 4,0 %
   Armour: 11 tons, 1,0 %
      - Armament: 11 tons, 1,0 %
   Machinery: 454 tons, 42,3 %
   Hull, fittings & equipment: 303 tons, 28,3 %
   Fuel, ammunition & stores: 172 tons, 16,0 %
   Miscellaneous weights: 90 tons, 8,4 %
      - On freeboard deck: 61 tons
      - Above deck: 29 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     465 lbs / 211 Kg = 8,9 x 4,7 " / 120 mm shells or 0,3 torpedoes
   Stability (Unstable if below 1.00): 1,09
   Metacentric height 0,9 ft / 0,3 m
   Roll period: 12,8 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,38
   Seaboat quality  (Average = 1.00): 1,03

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,424 / 0,435
   Length to Beam Ratio: 8,88 : 1
   'Natural speed' for length: 16,19 kts
   Power going to wave formation at top speed: 66 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  16,73 ft / 5,10 m,  13,78 ft / 4,20 m
      - Forward deck:   33,00 %,  13,78 ft / 4,20 m,  10,83 ft / 3,30 m
      - Aft deck:   33,00 %,  10,83 ft / 3,30 m,  10,83 ft / 3,30 m
      - Quarter deck:   16,00 %,  10,83 ft / 3,30 m,  11,15 ft / 3,40 m
      - Average freeboard:      12,08 ft / 3,68 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 149,4 %
      - Above water (accommodation/working, high = better): 114,6 %
   Waterplane Area: 4 839 Square feet or 450 Square metres
   Displacement factor (Displacement / loading): 89 %
   Structure weight / hull surface area: 35 lbs/sq ft or 173 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,65
      - Longitudinal: 2,62
      - Overall: 0,75
   Cramped machinery, storage, compartmentation space
   Adequate accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

4t for top mast rangefinder-1918 (18 000m)
25t for Long Range Marconi
12t for 1x4TTx533
4t for forced ventilation
15t for Advanced Hydrophone
6t for 60x90kg DC
24t reserved for new material, armament or 24 minen.

7580nm at 10 kts
5000nm at 12 kts
3430nm at14 kts
1300nm at 20 kts
515nm at 27 kts

Title: Re: Byzantine Empire 1925...
Post by: Jefgte on December 04, 2022, 04:03:02 PM
The max 1000t TGB possible with 2M2x140/50 (HMS Hood secondary guns)

TGB1000, Byzantine Empire Colonial Torpedo Gun Boat laid down 1925

Displacement:
   1 000 t light; 1 075 t standard; 1 181 t normal; 1 266 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (324,80 ft / 324,80 ft) x 32,81 ft x (9,24 / 9,68 ft)
   (99,00 m / 99,00 m) x 10,00 m  x (2,82 / 2,95 m)

Armament:
      4 - 5,51" / 140 mm 50,0 cal guns - 81,99lbs / 37,19kg shells, 225 per gun
     Quick firing guns in deck mounts, 1925 Model
     2 x 2-gun mounts on centreline ends, evenly spread
      2 - 3,00" / 76,2 mm 45,0 cal guns - 12,50lbs / 5,67kg shells, 320 per gun
     Anti-air guns in deck mounts, 1925 Model
     2 x Single mounts on centreline, aft deck aft
      1 raised mount - superfiring
      4 - 1,85" / 47,0 mm 45,0 cal guns - 3,00lbs / 1,36kg shells, 1 000 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on sides, forward evenly spread
      4 raised mounts
      2 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 6 000 per gun
     Machine guns in deck mounts, 1925 Model
     2 x Single mounts on sides, forward deck forward
      2 raised mounts
      Weight of broadside 365 lbs / 166 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,79" / 20 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Coal and oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 14 000 shp / 10 444 Kw = 27,00 kts
   Range 4 250nm at 12,00 kts
   Bunker at max displacement = 190 tons (25% coal)

Complement:
   99 - 130

Cost:
   £0,389 million / $1,555 million

Distribution of weights at normal displacement:
   Armament: 76 tons, 6,4 %
      - Guns: 76 tons, 6,4 %
   Armour: 11 tons, 0,9 %
      - Armament: 11 tons, 0,9 %
   Machinery: 450 tons, 38,1 %
   Hull, fittings & equipment: 369 tons, 31,2 %
   Fuel, ammunition & stores: 181 tons, 15,4 %
   Miscellaneous weights: 94 tons, 8,0 %
      - On freeboard deck: 62 tons
      - Above deck: 32 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     643 lbs / 292 Kg = 7,7 x 5,5 " / 140 mm shells or 0,4 torpedoes
   Stability (Unstable if below 1.00): 1,14
   Metacentric height 1,2 ft / 0,4 m
   Roll period: 12,6 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,37
   Seaboat quality  (Average = 1.00): 1,04

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,420 / 0,429
   Length to Beam Ratio: 9,90 : 1
   'Natural speed' for length: 18,02 kts
   Power going to wave formation at top speed: 58 %
   Trim (Max stability = 0, Max steadiness = 100): 67
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  16,08 ft / 4,90 m,  13,12 ft / 4,00 m
      - Forward deck:   33,00 %,  13,12 ft / 4,00 m,  10,17 ft / 3,10 m
      - Aft deck:   33,00 %,  10,17 ft / 3,10 m,  10,17 ft / 3,10 m
      - Quarter deck:   16,00 %,  10,17 ft / 3,10 m,  10,50 ft / 3,20 m
      - Average freeboard:      11,43 ft / 3,48 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 142,7 %
      - Above water (accommodation/working, high = better): 139,4 %
   Waterplane Area: 6 644 Square feet or 617 Square metres
   Displacement factor (Displacement / loading): 96 %
   Structure weight / hull surface area: 39 lbs/sq ft or 191 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,71
      - Longitudinal: 1,27
      - Overall: 0,75
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

7t for top mast rangefinder-1918 (18 000m)
25t for Long Range Marconi
12t for 1x4TTx533
5t for forced ventilation
15t for Advanced Hydrophone
6t for 60x90kg DC
24t reserved for new material, armament or 24 minen.


Title: Re: Byzantine Empire 1925...
Post by: Jefgte on December 06, 2022, 04:15:17 PM
The max 3000t possible with the TGB speed (25kts)

Armored  Gun Boat, Byzantine Empire 3000t-5x191-25kts laid down 1925

Displacement:
   3 000 t light; 3 196 t standard; 3 484 t normal; 3 715 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (409,45 ft / 409,45 ft) x 49,21 ft x (11,98 / 12,58 ft)
   (124,80 m / 124,80 m) x 15,00 m  x (3,65 / 3,84 m)

Armament:
      5 - 7,50" / 191 mm 45,0 cal guns - 200,00lbs / 90,72kg shells, 160 per gun
     Breech loading guns in deck and hoist mounts, 1925 Model
     5 x Single mounts on centreline ends, majority forward
      2 raised mounts - superfiring
      8 - 4,02" / 102 mm 45,0 cal guns - 31,99lbs / 14,51kg shells, 200 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x 2-gun mounts on sides, evenly spread
      1 - 3,00" / 76,2 mm 45,0 cal gun - 12,50lbs / 5,67kg shells, 300 per gun
     Anti-air gun in deck mount, 1925 Model
     1 x Single mount on centreline, forward deck aft
      1 raised mount
      4 - 1,85" / 47,0 mm 45,0 cal guns - 3,00lbs / 1,36kg shells, 1 000 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on sides, forward deck aft
      4 raised mounts
      4 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 4 000 per gun
     Machine guns in deck mounts, 1925 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      Weight of broadside 1 281 lbs / 581 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   3,15" / 80 mm   265,75 ft / 81,00 m   9,19 ft / 2,80 m
   Ends:   1,18" / 30 mm   141,08 ft / 43,00 m   8,01 ft / 2,44 m
     2,62 ft / 0,80 m Unarmoured ends
     Main Belt covers 100 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   2,76" / 70 mm   1,18" / 30 mm      1,18" / 30 mm
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

   - Armoured deck - multiple decks:
   For and Aft decks: 1,57" / 40 mm
   Forecastle: 1,18" / 30 mm  Quarter deck: 1,18" / 30 mm

   - Conning towers: Forward 3,94" / 100 mm, Aft 0,00" / 0 mm

Machinery:
   Coal and oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 20 000 shp / 14 920 Kw = 25,12 kts
   Range 6 000nm at 12,00 kts
   Bunker at max displacement = 520 tons (25% coal)

Complement:
   226 - 294

Cost:
   £1,021 million / $4,085 million

Distribution of weights at normal displacement:
   Armament: 331 tons, 9,5 %
      - Guns: 331 tons, 9,5 %
   Armour: 841 tons, 24,1 %
      - Belts: 371 tons, 10,7 %
      - Armament: 72 tons, 2,1 %
      - Armour Deck: 378 tons, 10,9 %
      - Conning Tower: 19 tons, 0,6 %
   Machinery: 664 tons, 19,1 %
   Hull, fittings & equipment: 1 056 tons, 30,3 %
   Fuel, ammunition & stores: 485 tons, 13,9 %
   Miscellaneous weights: 108 tons, 3,1 %
      - Hull above water: 10 tons
      - On freeboard deck: 40 tons
      - Above deck: 58 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     3 636 lbs / 1 649 Kg = 17,2 x 7,5 " / 191 mm shells or 1,1 torpedoes
   Stability (Unstable if below 1.00): 1,09
   Metacentric height 2,0 ft / 0,6 m
   Roll period: 14,5 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,72
   Seaboat quality  (Average = 1.00): 1,04

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,505 / 0,513
   Length to Beam Ratio: 8,32 : 1
   'Natural speed' for length: 20,23 kts
   Power going to wave formation at top speed: 54 %
   Trim (Max stability = 0, Max steadiness = 100): 68
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  18,70 ft / 5,70 m,  15,75 ft / 4,80 m
      - Forward deck:   33,00 %,  15,75 ft / 4,80 m,  12,80 ft / 3,90 m
      - Aft deck:   33,00 %,  12,80 ft / 3,90 m,  12,80 ft / 3,90 m
      - Quarter deck:   16,00 %,  12,80 ft / 3,90 m,  12,80 ft / 3,90 m
      - Average freeboard:      14,03 ft / 4,28 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 93,7 %
      - Above water (accommodation/working, high = better): 153,8 %
   Waterplane Area: 13 487 Square feet or 1 253 Square metres
   Displacement factor (Displacement / loading): 104 %
   Structure weight / hull surface area: 64 lbs/sq ft or 315 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,72
      - Longitudinal: 1,04
      - Overall: 0,75
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

33t for top mast rangefinder
25t for long range Marconi
12t for 2x3TTx533
10t for forced ventilation
20t reserved for new material, armament


Title: Re: Byzantine Empire 1925...
Post by: Jefgte on December 06, 2022, 04:44:55 PM
3000t Colonial AGB with the speed of Colonial Cruisers.

Armored  Gun Boat, Byzantine Empire 3000t-4x191-27kts laid down 1925

Displacement:
   3 000 t light; 3 151 t standard; 3 390 t normal; 3 581 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (409,45 ft / 409,45 ft) x 48,15 ft x (11,92 / 12,42 ft)
   (124,80 m / 124,80 m) x 14,68 m  x (3,63 / 3,79 m)

Armament:
      4 - 7,50" / 191 mm 45,0 cal guns - 200,00lbs / 90,72kg shells, 150 per gun
     Breech loading guns in deck and hoist mounts, 1925 Model
     4 x Single mounts on centreline ends, evenly spread
      1 raised mount - superfiring
      2 - 4,02" / 102 mm 45,0 cal guns - 31,99lbs / 14,51kg shells, 200 per gun
     Quick firing guns in deck mount, 1925 Model
     1 x 2-gun mount on centreline, aft deck aft
      1 raised mount
      1 - 3,00" / 76,2 mm 45,0 cal gun - 12,50lbs / 5,67kg shells, 300 per gun
     Anti-air gun in deck mount, 1925 Model
     1 x Single mount on centreline, forward deck aft
      1 raised mount
      4 - 1,85" / 47,0 mm 45,0 cal guns - 3,00lbs / 1,36kg shells, 1 000 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on sides, forward evenly spread
      4 raised mounts
      4 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 4 000 per gun
     Machine guns in deck mounts, 1925 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      Weight of broadside 889 lbs / 403 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   2,76" / 70 mm   285,43 ft / 87,00 m   9,19 ft / 2,80 m
   Ends:   0,98" / 25 mm   121,39 ft / 37,00 m   8,01 ft / 2,44 m
     2,62 ft / 0,80 m Unarmoured ends
     Main Belt covers 107 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   2,76" / 70 mm   1,18" / 30 mm      1,18" / 30 mm
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

   - Armoured deck - multiple decks:
   For and Aft decks: 1,38" / 35 mm
   Forecastle: 0,98" / 25 mm  Quarter deck: 0,98" / 25 mm

   - Conning towers: Forward 3,94" / 100 mm, Aft 0,00" / 0 mm

Machinery:
   Coal and oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 26 200 shp / 19 545 Kw = 27,00 kts
   Range 5 000nm at 12,00 kts
   Bunker at max displacement = 431 tons (25% coal)

Complement:
   221 - 288

Cost:
   £1,019 million / $4,077 million

Distribution of weights at normal displacement:
   Armament: 240 tons, 7,1 %
      - Guns: 240 tons, 7,1 %
   Armour: 730 tons, 21,5 %
      - Belts: 333 tons, 9,8 %
      - Armament: 56 tons, 1,7 %
      - Armour Deck: 322 tons, 9,5 %
      - Conning Tower: 19 tons, 0,6 %
   Machinery: 870 tons, 25,7 %
   Hull, fittings & equipment: 1 054 tons, 31,1 %
   Fuel, ammunition & stores: 390 tons, 11,5 %
   Miscellaneous weights: 105 tons, 3,1 %
      - Hull above water: 10 tons
      - On freeboard deck: 46 tons
      - Above deck: 49 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     3 085 lbs / 1 399 Kg = 14,6 x 7,5 " / 191 mm shells or 0,9 torpedoes
   Stability (Unstable if below 1.00): 1,09
   Metacentric height 2,0 ft / 0,6 m
   Roll period: 14,4 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,59
   Seaboat quality  (Average = 1.00): 1,02

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,505 / 0,512
   Length to Beam Ratio: 8,50 : 1
   'Natural speed' for length: 20,23 kts
   Power going to wave formation at top speed: 57 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  20,34 ft / 6,20 m,  17,39 ft / 5,30 m
      - Forward deck:   33,00 %,  17,39 ft / 5,30 m,  14,44 ft / 4,40 m
      - Aft deck:   33,00 %,  14,44 ft / 4,40 m,  14,44 ft / 4,40 m
      - Quarter deck:   16,00 %,  14,44 ft / 4,40 m,  14,44 ft / 4,40 m
      - Average freeboard:      15,67 ft / 4,78 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 107,2 %
      - Above water (accommodation/working, high = better): 172,6 %
   Waterplane Area: 13 196 Square feet or 1 226 Square metres
   Displacement factor (Displacement / loading): 100 %
   Structure weight / hull surface area: 60 lbs/sq ft or 295 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,71
      - Longitudinal: 1,19
      - Overall: 0,75
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

24t for top mast rangefinder
25t for long range Marconi
12t for 2x3TTx533
10t for forced ventilation
24t reserved for new material, armament


                     B                      102
                A                                  C     D
Fore-----------------------------------------------Aft



Title: Re: Byzantine Empire 1925...
Post by: Jefgte on December 06, 2022, 05:26:16 PM
In the spirit of Mogador / Volta French Contre Torpilleur

D11, Byzantine Empire 2500t Super Destroyer laid down 1925

Displacement:
   2 500 t light; 2 626 t standard; 2 905 t normal; 3 127 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (409,59 ft / 406,82 ft) x 40,22 ft x (15,53 / 16,30 ft)
   (124,84 m / 124,00 m) x 12,26 m  x (4,73 / 4,97 m)

Armament:
      6 - 5,51" / 140 mm 50,0 cal guns - 81,99lbs / 37,19kg shells, 220 per gun
     Quick firing guns in deck and hoist mounts, 1925 Model
     3 x 2-gun mounts on centreline ends, majority aft
      1 - 3,00" / 76,2 mm 45,0 cal gun - 12,50lbs / 5,67kg shells, 250 per gun
     Anti-air gun in deck mount, 1925 Model
     1 x Single mount on centreline, forward deck aft
      1 raised mount
      4 - 1,85" / 47,0 mm 50,0 cal guns - 3,00lbs / 1,36kg shells, 1 000 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on sides, forward deck aft
      4 raised mounts
      2 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 4 000 per gun
     Machine guns in deck mounts, 1925 Model
     2 x Single mounts on sides, forward deck forward
      Weight of broadside 516 lbs / 234 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,79" / 20 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 43 800 shp / 32 675 Kw = 31,98 kts
   Range 7 000nm at 12,00 kts
   Bunker at max displacement = 501 tons

Complement:
   197 - 257

Cost:
   £1,076 million / $4,302 million

Distribution of weights at normal displacement:
   Armament: 164 tons, 5,6 %
      - Guns: 164 tons, 5,6 %
   Armour: 13 tons, 0,5 %
      - Armament: 13 tons, 0,5 %
   Machinery: 1 311 tons, 45,1 %
   Hull, fittings & equipment: 891 tons, 30,7 %
   Fuel, ammunition & stores: 405 tons, 13,9 %
   Miscellaneous weights: 120 tons, 4,1 %
      - On freeboard deck: 86 tons
      - Above deck: 34 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     1 012 lbs / 459 Kg = 12,1 x 5,5 " / 140 mm shells or 0,4 torpedoes
   Stability (Unstable if below 1.00): 1,08
   Metacentric height 1,5 ft / 0,5 m
   Roll period: 13,8 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,53
   Seaboat quality  (Average = 1.00): 1,02

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,400 / 0,410
   Length to Beam Ratio: 10,11 : 1
   'Natural speed' for length: 20,17 kts
   Power going to wave formation at top speed: 61 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 8,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  19,69 ft / 6,00 m,  16,73 ft / 5,10 m
      - Forward deck:   32,50 %,  16,73 ft / 5,10 m,  13,78 ft / 4,20 m
      - Aft deck:   32,50 %,  13,78 ft / 4,20 m,  13,78 ft / 4,20 m
      - Quarter deck:   17,50 %,  13,78 ft / 4,20 m,  13,78 ft / 4,20 m
      - Average freeboard:      14,98 ft / 4,57 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 164,8 %
      - Above water (accommodation/working, high = better): 141,4 %
   Waterplane Area: 10 073 Square feet or 936 Square metres
   Displacement factor (Displacement / loading): 82 %
   Structure weight / hull surface area: 54 lbs/sq ft or 263 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,68
      - Longitudinal: 1,67
      - Overall: 0,75
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

9t for 1918 top mast rangefinder
25t for LR marconi
8t for additionnal engines ventillation
15t for improved Hydrophone
32t for 8TTx533 HW
5t for 50x90DC
26t reserved for new material, armament, minen.


Title: Re: Byzantine Empire 1925...
Post by: The Rock Doctor on December 06, 2022, 08:23:40 PM
Now that looks like fun.
Title: Re: Byzantine Empire 1925...
Post by: Kaiser Kirk on December 11, 2022, 11:10:49 AM
Quote from: The Rock Doctor on December 06, 2022, 08:23:40 PM
Now that looks like fun.

For you, not me...
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on December 13, 2022, 04:03:20 PM
In 1925, T2x203/50cal are dispo for Byzantine cruisers
Here is a Byzantine "HMS Exeter".

Kutul class, Byzantine Empire C9 laid down 1925

Displacement:
   8 000 t light; 8 372 t standard; 9 172 t normal; 9 813 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (570,87 ft / 570,87 ft) x 63,42 ft x (17,56 / 18,48 ft)
   (174,00 m / 174,00 m) x 19,33 m  x (5,35 / 5,63 m)

Armament:
      6 - 8,00" / 203 mm 50,0 cal guns - 256,00lbs / 116,12kg shells, 170 per gun
     Breech loading guns in turret on barbette mounts, 1925 Model
     3 x 2-gun mounts on centreline ends, majority forward
      1 raised mount - superfiring
      8 - 4,02" / 102 mm 50,0 cal guns - 34,28lbs / 15,55kg shells, 220 per gun
     Quick firing guns in deck and hoist mounts, 1925 Model
     4 x 2-gun mounts on sides, evenly spread
      4 - 3,00" / 76,2 mm 45,0 cal guns - 12,50lbs / 5,67kg shells, 250 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      4 - 1,85" / 47,0 mm 45,0 cal guns - 3,00lbs / 1,36kg shells, 400 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      4 - 0,30" / 7,6 mm 45,0 cal guns - 0,01lbs / 0,00kg shells, 6 000 per gun
     Machine guns in deck mounts, 1925 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      Weight of broadside 1 872 lbs / 849 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   3,94" / 100 mm   360,89 ft / 110,00 m   9,84 ft / 3,00 m
   Ends:   1,38" / 35 mm   209,97 ft / 64,00 m   9,02 ft / 2,75 m
     Main Belt covers 97 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   6,69" / 170 mm   1,97" / 50 mm      2,76" / 70 mm
   2nd:   0,79" / 20 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -
   5th:   0,39" / 10 mm         -               -

   - Protected deck - single deck:
   For and Aft decks: 1,77" / 45 mm
   Forecastle: 1,18" / 30 mm  Quarter deck: 1,18" / 30 mm

   - Conning towers: Forward 3,54" / 90 mm, Aft 2,76" / 70 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 4 shafts, 64 000 shp / 47 744 Kw = 30,01 kts
   Range 10 000nm at 12,00 kts
   Bunker at max displacement = 1 441 tons

Complement:
   468 - 609

Cost:
   £2,531 million / $10,124 million

Distribution of weights at normal displacement:
   Armament: 604 tons, 6,6 %
      - Guns: 604 tons, 6,6 %
   Armour: 1 725 tons, 18,8 %
      - Belts: 678 tons, 7,4 %
      - Armament: 236 tons, 2,6 %
      - Armour Deck: 752 tons, 8,2 %
      - Conning Towers: 59 tons, 0,6 %
   Machinery: 2 078 tons, 22,7 %
   Hull, fittings & equipment: 3 392 tons, 37,0 %
   Fuel, ammunition & stores: 1 172 tons, 12,8 %
   Miscellaneous weights: 201 tons, 2,2 %
      - Hull below water: 32 tons
      - Hull above water: 32 tons
      - On freeboard deck: 52 tons
      - Above deck: 85 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     11 392 lbs / 5 167 Kg = 44,5 x 8,0 " / 203 mm shells or 1,7 torpedoes
   Stability (Unstable if below 1.00): 1,07
   Metacentric height 2,9 ft / 0,9 m
   Roll period: 15,6 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,45
   Seaboat quality  (Average = 1.00): 1,02

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,505 / 0,513
   Length to Beam Ratio: 9,00 : 1
   'Natural speed' for length: 23,89 kts
   Power going to wave formation at top speed: 55 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  22,31 ft / 6,80 m,  19,36 ft / 5,90 m
      - Forward deck:   33,00 %,  19,36 ft / 5,90 m,  16,40 ft / 5,00 m
      - Aft deck:   33,00 %,  16,40 ft / 5,00 m,  16,40 ft / 5,00 m
      - Quarter deck:   16,50 %,  16,40 ft / 5,00 m,  16,40 ft / 5,00 m
      - Average freeboard:      17,61 ft / 5,37 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 95,2 %
      - Above water (accommodation/working, high = better): 169,1 %
   Waterplane Area: 24 232 Square feet or 2 251 Square metres
   Displacement factor (Displacement / loading): 115 %
   Structure weight / hull surface area: 106 lbs/sq ft or 515 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,98
      - Longitudinal: 1,15
      - Overall: 1,00
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

25t for Long Range Marconi
60t for top mast rangefinder - 1924
32t for climatisation
32t for additionnal pumps
32t for 8TTx21" HW
20t reserved

7135nm(13214km) - 14kts
Title: Re: Byzantine Empire 1925...
Post by: Kaiser Kirk on December 13, 2022, 04:19:19 PM
Quote from: Jefgte on December 13, 2022, 04:03:20 PM
In 1925, T2x203/50cal are dispo for Byzantine cruisers
Here is a Byzantine "HMS Exeter".



I do not happen to be a fan of the 8" gun, or 3T2 arrangement though,
The 8"/50 should 'beat' my Royal Neissan's 180L47s & thicker armor at very long range,
there is a probably a couple thousand yard band where it is favorable.....if you can get and keep that range.
but the 3T2 may hurt Fire control, as you can't sustain a 4 shell ladder. Which makes hitting at that range difficult.
At other ranges, I think the ROF difference between 6x8" and 12x 180 will quite favor my ships.

The 76 and 47 are listed as QF.
When adjudicating battles, if you want AA, they should be AA.

As always though, the Byzantine vessels are formidable.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on December 13, 2022, 04:41:35 PM
I test too the 234/51 "HMS Glatton"
on a Colonial Gun Boat.

Lamia class, Byzantine Empire Armored Colonial Gunboat laid down 1926

Displacement:
   6 400 t light; 6 746 t standard; 7 342 t normal; 7 818 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (488,85 ft / 488,85 ft) x 63,98 ft x (15,65 / 16,43 ft)
   (149,00 m / 149,00 m) x 19,50 m  x (4,77 / 5,01 m)

Armament:
      4 - 9,21" / 234 mm 51,0 cal guns - 380,01lbs / 172,37kg shells, 170 per gun
     Breech loading guns in turret on barbette mounts, 1926 Model
     2 x 2-gun mounts on centreline ends, evenly spread
      8 - 4,72" / 120 mm 50,0 cal guns - 50,00lbs / 22,68kg shells, 220 per gun
     Quick firing guns in deck and hoist mounts, 1926 Model
     4 x 2-gun mounts on sides, evenly spread
      2 - 3,00" / 76,2 mm 45,0 cal guns - 12,50lbs / 5,67kg shells, 250 per gun
     Quick firing guns in deck mounts, 1926 Model
     2 x Single mounts on sides, aft deck centre
      2 raised mounts
      4 - 1,85" / 47,0 mm 45,0 cal guns - 3,00lbs / 1,36kg shells, 400 per gun
     Quick firing guns in deck mounts, 1926 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      4 - 0,30" / 7,6 mm 45,0 cal guns - 0,01lbs / 0,01kg shells, 6 000 per gun
     Machine guns in deck mounts, 1926 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      Weight of broadside 1 957 lbs / 888 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   3,94" / 100 mm   282,15 ft / 86,00 m   9,84 ft / 3,00 m
   Ends:   1,38" / 35 mm   203,41 ft / 62,00 m   9,02 ft / 2,75 m
     3,28 ft / 1,00 m Unarmoured ends
     Main Belt covers 89 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   6,69" / 170 mm   1,97" / 50 mm      2,76" / 70 mm
   2nd:   0,79" / 20 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -
   5th:   0,39" / 10 mm         -               -

   - Protected deck - single deck:
   For and Aft decks: 1,77" / 45 mm
   Forecastle: 1,18" / 30 mm  Quarter deck: 1,18" / 30 mm

   - Conning towers: Forward 3,94" / 100 mm, Aft 2,76" / 70 mm

Machinery:
   Coal and oil fired boilers, steam turbines,
   Geared drive, 4 shafts, 40 260 shp / 30 034 Kw = 27,00 kts
   Range 8 000nm at 12,00 kts
   Bunker at max displacement = 1 072 tons (25% coal)

Complement:
   396 - 515

Cost:
   £2,192 million / $8,769 million

Distribution of weights at normal displacement:
   Armament: 667 tons, 9,1 %
      - Guns: 667 tons, 9,1 %
   Armour: 1 457 tons, 19,8 %
      - Belts: 568 tons, 7,7 %
      - Armament: 173 tons, 2,4 %
      - Armour Deck: 662 tons, 9,0 %
      - Conning Towers: 54 tons, 0,7 %
   Machinery: 1 319 tons, 18,0 %
   Hull, fittings & equipment: 2 760 tons, 37,6 %
   Fuel, ammunition & stores: 941 tons, 12,8 %
   Miscellaneous weights: 198 tons, 2,7 %
      - Hull below water: 30 tons
      - Hull above water: 30 tons
      - On freeboard deck: 46 tons
      - Above deck: 92 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     10 672 lbs / 4 841 Kg = 27,3 x 9,2 " / 234 mm shells or 1,8 torpedoes
   Stability (Unstable if below 1.00): 1,14
   Metacentric height 3,3 ft / 1,0 m
   Roll period: 14,9 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,42
   Seaboat quality  (Average = 1.00): 1,05

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,525 / 0,532
   Length to Beam Ratio: 7,64 : 1
   'Natural speed' for length: 22,11 kts
   Power going to wave formation at top speed: 55 %
   Trim (Max stability = 0, Max steadiness = 100): 67
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  21,98 ft / 6,70 m,  19,03 ft / 5,80 m
      - Forward deck:   33,00 %,  19,03 ft / 5,80 m,  16,40 ft / 5,00 m
      - Aft deck:   33,00 %,  16,40 ft / 5,00 m,  16,40 ft / 5,00 m
      - Quarter deck:   16,50 %,  16,40 ft / 5,00 m,  16,40 ft / 5,00 m
      - Average freeboard:      17,50 ft / 5,34 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 88,1 %
      - Above water (accommodation/working, high = better): 175,0 %
   Waterplane Area: 21 323 Square feet or 1 981 Square metres
   Displacement factor (Displacement / loading): 114 %
   Structure weight / hull surface area: 104 lbs/sq ft or 509 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,95
      - Longitudinal: 1,47
      - Overall: 1,00
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

25t for Long Range Marconi
67t for top mast rangefinder - 1924
30t for climatisation
30t for additionnal pumps
24t for 8TTx21"
22t reserved

Title: Re: Byzantine Empire 1925...
Post by: Jefgte on December 14, 2022, 12:26:47 AM
QuoteI do not happen to be a fan of the 8" gun, or 3T2 arrangement though,
The 8"/50 should 'beat' my Royal Neissan's 180L47s & thicker armor at very long range,
there is a probably a couple thousand yard band where it is favorable.....if you can get and keep that range.
but the 3T2 may hurt Fire control, as you can't sustain a 4 shell ladder. Which makes hitting at that range difficult.
At other ranges, I think the ROF difference between 6x8" and 12x 180 will quite favor my ships.

The 76 and 47 are listed as QF.
When adjudicating battles, if you want AA, they should be AA...

Your right, & I 'm not fan for these designs.

203 & 234 turrets & 30kts are too heavy for 8000t.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on December 14, 2022, 04:13:56 AM
This one is certainly better with 3x3 x T1 x 191


             B                                  E                              X
         A         C                      D        F                             Y    Z
-------------------------------------------------------------------------------
fore                                                                                           aft

Boardside 9x191

C10, Byzantine Empire C10 laid down 1925

Displacement:
   6 000 t light; 6 384 t standard; 7 066 t normal; 7 612 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (544,62 ft / 544,62 ft) x 55,77 ft x (16,12 / 17,06 ft)
   (166,00 m / 166,00 m) x 17,00 m  x (4,91 / 5,20 m)

Armament:
      6 - 7,52" / 191 mm 45,0 cal guns - 200,00lbs / 90,72kg shells, 170 per gun
     Breech loading guns in deck and hoist mounts, 1925 Model
     6 x Single mounts on centreline ends, evenly spread
      2 raised mounts - superfiring
      3 - 7,52" / 191 mm 45,0 cal guns - 200,00lbs / 90,72kg shells, 170 per gun
     Breech loading guns in deck and hoist mounts, 1925 Model
     3 x Single mounts on centreline, aft deck forward
      1 raised mount - superfiring
      8 - 4,72" / 120 mm 45,0 cal guns - 50,00lbs / 22,68kg shells, 250 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x 2-gun mounts on sides, evenly spread
      2 raised mounts
      2 - 3,00" / 76,2 mm 45,0 cal guns - 12,50lbs / 5,67kg shells, 250 per gun
     Anti-air guns in deck mounts, 1925 Model
     2 x Single mounts on sides, forward deck centre
      2 raised mounts
      4 - 1,85" / 47,0 mm 50,0 cal guns - 3,00lbs / 1,36kg shells, 2 000 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      Weight of broadside 2 237 lbs / 1 015 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   3,94" / 100 mm   390,42 ft / 119,00 m   9,84 ft / 3,00 m
   Ends:   1,38" / 35 mm   154,20 ft / 47,00 m   7,87 ft / 2,40 m
     Main Belt covers 110 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   2,76" / 70 mm   0,79" / 20 mm      2,17" / 55 mm
   2nd:   2,76" / 70 mm   0,79" / 20 mm      2,17" / 55 mm
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -
   5th:   0,39" / 10 mm         -               -

   - Protected deck - single deck:
   For and Aft decks: 1,77" / 45 mm
   Forecastle: 1,18" / 30 mm  Quarter deck: 1,18" / 30 mm

   - Conning towers: Forward 3,94" / 100 mm, Aft 2,76" / 70 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 4 shafts, 54 183 shp / 40 421 Kw = 29,92 kts
   Range 10 000nm at 12,00 kts
   Bunker at max displacement = 1 228 tons

Complement:
   384 - 500

Cost:
   £2,160 million / $8,641 million

Distribution of weights at normal displacement:
   Armament: 588 tons, 8,3 %
      - Guns: 588 tons, 8,3 %
   Armour: 1 457 tons, 20,6 %
      - Belts: 674 tons, 9,5 %
      - Armament: 99 tons, 1,4 %
      - Armour Deck: 631 tons, 8,9 %
      - Conning Towers: 53 tons, 0,8 %
   Machinery: 1 759 tons, 24,9 %
   Hull, fittings & equipment: 2 002 tons, 28,3 %
   Fuel, ammunition & stores: 1 066 tons, 15,1 %
   Miscellaneous weights: 194 tons, 2,7 %
      - Hull below water: 30 tons
      - Hull above water: 30 tons
      - On freeboard deck: 50 tons
      - Above deck: 84 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     5 436 lbs / 2 466 Kg = 25,6 x 7,5 " / 191 mm shells or 1,1 torpedoes
   Stability (Unstable if below 1.00): 1,08
   Metacentric height 2,4 ft / 0,7 m
   Roll period: 15,1 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,82
   Seaboat quality  (Average = 1.00): 1,09

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,505 / 0,514
   Length to Beam Ratio: 9,76 : 1
   'Natural speed' for length: 23,34 kts
   Power going to wave formation at top speed: 54 %
   Trim (Max stability = 0, Max steadiness = 100): 65
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  21,98 ft / 6,70 m,  19,03 ft / 5,80 m
      - Forward deck:   33,00 %,  19,03 ft / 5,80 m,  16,08 ft / 4,90 m
      - Aft deck:   33,00 %,  16,08 ft / 4,90 m,  16,08 ft / 4,90 m
      - Quarter deck:   16,50 %,  16,08 ft / 4,90 m,  16,08 ft / 4,90 m
      - Average freeboard:      17,29 ft / 5,27 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 109,5 %
      - Above water (accommodation/working, high = better): 169,6 %
   Waterplane Area: 20 331 Square feet or 1 889 Square metres
   Displacement factor (Displacement / loading): 99 %
   Structure weight / hull surface area: 76 lbs/sq ft or 370 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,73
      - Longitudinal: 0,93
      - Overall: 0,75
   Caution: Hull subject to strain in open-sea
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

25t for Long Range Marconi
59t for top mast rangefinder - FC1924
30t for climatisation
30t for additionnal pumps
24t for 8TTx21"
28t reserved



Title: Re: Byzantine Empire 1925...
Post by: Jefgte on December 14, 2022, 03:52:09 PM
The max 8000t cruiser with 4T3x191

C10, Byzantine Empire C10 laid down 1925

Displacement:
   8 000 t light; 8 442 t standard; 9 235 t normal; 9 870 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (544,62 ft / 544,62 ft) x 60,50 ft x (20,27 / 21,30 ft)
   (166,00 m / 166,00 m) x 18,44 m  x (6,18 / 6,49 m)

Armament:
      6 - 7,52" / 191 mm 45,0 cal guns - 200,00lbs / 90,72kg shells, 160 per gun
     Breech loading guns in turret on barbette mounts, 1925 Model
     2 x 3-gun mounts on centreline, forward deck forward
      1 raised mount - superfiring
      6 - 7,52" / 191 mm 45,0 cal guns - 200,00lbs / 90,72kg shells, 160 per gun
     Breech loading guns in deck and hoist mounts, 1925 Model
     2 x 3-gun mounts on centreline, aft evenly spread
      8 - 4,02" / 102 mm 45,0 cal guns - 31,00lbs / 14,06kg shells, 200 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x 2-gun mounts on sides, forward deck aft
      2 - 3,00" / 76,2 mm 45,0 cal guns - 12,50lbs / 5,67kg shells, 250 per gun
     Anti-air guns in deck mounts, 1925 Model
     2 x Single mounts on sides, forward deck centre
      2 raised mounts
      4 - 1,85" / 47,0 mm 50,0 cal guns - 3,00lbs / 1,36kg shells, 2 000 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      Weight of broadside 2 685 lbs / 1 218 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   3,94" / 100 mm   357,61 ft / 109,00 m   9,84 ft / 3,00 m
   Ends:   1,38" / 35 mm   187,01 ft / 57,00 m   7,87 ft / 2,40 m
     Main Belt covers 101 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   5,51" / 140 mm   0,98" / 25 mm      2,56" / 65 mm
   2nd:   5,51" / 140 mm   0,98" / 25 mm      2,56" / 65 mm
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -
   5th:   0,39" / 10 mm         -               -

   - Protected deck - single deck:
   For and Aft decks: 1,77" / 45 mm
   Forecastle: 1,18" / 30 mm  Quarter deck: 1,18" / 30 mm

   - Conning towers: Forward 3,94" / 100 mm, Aft 2,76" / 70 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 4 shafts, 64 460 shp / 48 087 Kw = 30,00 kts
   Range 10 000nm at 12,00 kts
   Bunker at max displacement = 1 427 tons

Complement:
   470 - 612

Cost:
   £2,715 million / $10,858 million

Distribution of weights at normal displacement:
   Armament: 754 tons, 8,2 %
      - Guns: 754 tons, 8,2 %
   Armour: 1 575 tons, 17,1 %
      - Belts: 648 tons, 7,0 %
      - Armament: 192 tons, 2,1 %
      - Armour Deck: 672 tons, 7,3 %
      - Conning Towers: 63 tons, 0,7 %
   Machinery: 2 093 tons, 22,7 %
   Hull, fittings & equipment: 3 377 tons, 36,6 %
   Fuel, ammunition & stores: 1 235 tons, 13,4 %
   Miscellaneous weights: 201 tons, 2,2 %
      - Hull below water: 30 tons
      - Hull above water: 30 tons
      - On freeboard deck: 41 tons
      - Above deck: 100 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     9 890 lbs / 4 486 Kg = 46,5 x 7,5 " / 191 mm shells or 1,5 torpedoes
   Stability (Unstable if below 1.00): 1,03
   Metacentric height 2,5 ft / 0,8 m
   Roll period: 16,1 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,75
   Seaboat quality  (Average = 1.00): 1,04

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,484 / 0,492
   Length to Beam Ratio: 9,00 : 1
   'Natural speed' for length: 23,34 kts
   Power going to wave formation at top speed: 56 %
   Trim (Max stability = 0, Max steadiness = 100): 67
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  22,64 ft / 6,90 m,  19,36 ft / 5,90 m
      - Forward deck:   33,00 %,  19,36 ft / 5,90 m,  16,40 ft / 5,00 m
      - Aft deck:   33,00 %,  16,40 ft / 5,00 m,  16,40 ft / 5,00 m
      - Quarter deck:   16,50 %,  16,40 ft / 5,00 m,  16,40 ft / 5,00 m
      - Average freeboard:      17,64 ft / 5,38 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 100,6 %
      - Above water (accommodation/working, high = better): 150,3 %
   Waterplane Area: 21 639 Square feet or 2 010 Square metres
   Displacement factor (Displacement / loading): 110 %
   Structure weight / hull surface area: 113 lbs/sq ft or 554 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,95
      - Longitudinal: 1,53
      - Overall: 1,00
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

25t for Long Range Marconi
75t for top mast rangefinder - FC1924
30t for climatisation
30t for additionnal pumps
24t for 8TTx21"
17t reserved


Title: Re: Byzantine Empire 1925...
Post by: The Rock Doctor on December 14, 2022, 04:20:36 PM
Is the main battery intended to be in both turrets and mount and hoist?
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on December 15, 2022, 01:04:34 AM
QuoteIs the main battery intended to be in both turrets and mount and hoist?

OUPS !!!


C10, Byzantine Empire C10 laid down 1925


Displacement:
   8 120 t light; 8 565 t standard; 9 364 t normal; 10 004 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (544,62 ft / 544,62 ft) x 61,22 ft x (20,31 / 21,33 ft)
   (166,00 m / 166,00 m) x 18,66 m  x (6,19 / 6,50 m)

Armament:
      6 - 7,52" / 191 mm 45,0 cal guns - 200,00lbs / 90,72kg shells, 160 per gun
     Breech loading guns in turret on barbette mounts, 1925 Model
     2 x 3-gun mounts on centreline, forward deck forward
      1 raised mount - superfiring
      6 - 7,52" / 191 mm 45,0 cal guns - 200,00lbs / 90,72kg shells, 160 per gun
     Breech loading guns in turret on barbette mounts, 1925 Model
     2 x 3-gun mounts on centreline, aft evenly spread
      8 - 4,02" / 102 mm 45,0 cal guns - 31,00lbs / 14,06kg shells, 200 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x 2-gun mounts on sides, forward deck aft
      2 - 3,00" / 76,2 mm 45,0 cal guns - 12,50lbs / 5,67kg shells, 250 per gun
     Anti-air guns in deck mounts, 1925 Model
     2 x Single mounts on sides, forward deck centre
      2 raised mounts
      4 - 1,85" / 47,0 mm 50,0 cal guns - 3,00lbs / 1,36kg shells, 2 000 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      Weight of broadside 2 685 lbs / 1 218 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   3,94" / 100 mm   354,33 ft / 108,00 m   9,19 ft / 2,80 m
   Ends:   1,38" / 35 mm   190,29 ft / 58,00 m   7,87 ft / 2,40 m
     Main Belt covers 100 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   5,51" / 140 mm   0,98" / 25 mm      2,56" / 65 mm
   2nd:   5,51" / 140 mm   0,98" / 25 mm      2,56" / 65 mm
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -
   5th:   0,39" / 10 mm         -               -

   - Protected deck - single deck:
   For and Aft decks: 1,77" / 45 mm
   Forecastle: 1,18" / 30 mm  Quarter deck: 1,18" / 30 mm

   - Conning towers: Forward 3,94" / 100 mm, Aft 2,76" / 70 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 4 shafts, 64 800 shp / 48 341 Kw = 29,96 kts
   Range 10 000nm at 12,00 kts
   Bunker at max displacement = 1 439 tons

Complement:
   475 - 618

Cost:
   £2,733 million / $10,934 million

Distribution of weights at normal displacement:
   Armament: 779 tons, 8,3 %
      - Guns: 779 tons, 8,3 %
   Armour: 1 617 tons, 17,3 %
      - Belts: 608 tons, 6,5 %
      - Armament: 266 tons, 2,8 %
      - Armour Deck: 680 tons, 7,3 %
      - Conning Towers: 64 tons, 0,7 %
   Machinery: 2 104 tons, 22,5 %
   Hull, fittings & equipment: 3 418 tons, 36,5 %
   Fuel, ammunition & stores: 1 244 tons, 13,3 %
   Miscellaneous weights: 202 tons, 2,2 %
      - Hull below water: 30 tons
      - Hull above water: 30 tons
      - On freeboard deck: 42 tons
      - Above deck: 100 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     10 198 lbs / 4 626 Kg = 48,0 x 7,5 " / 191 mm shells or 1,5 torpedoes
   Stability (Unstable if below 1.00): 1,02
   Metacentric height 2,5 ft / 0,8 m
   Roll period: 16,3 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,73
   Seaboat quality  (Average = 1.00): 1,04

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,484 / 0,492
   Length to Beam Ratio: 8,90 : 1
   'Natural speed' for length: 23,34 kts
   Power going to wave formation at top speed: 56 %
   Trim (Max stability = 0, Max steadiness = 100): 67
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  23,29 ft / 7,10 m,  20,01 ft / 6,10 m
      - Forward deck:   33,00 %,  20,01 ft / 6,10 m,  16,40 ft / 5,00 m
      - Aft deck:   33,00 %,  16,40 ft / 5,00 m,  16,40 ft / 5,00 m
      - Quarter deck:   16,50 %,  16,40 ft / 5,00 m,  16,40 ft / 5,00 m
      - Average freeboard:      17,86 ft / 5,44 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 99,6 %
      - Above water (accommodation/working, high = better): 152,0 %
   Waterplane Area: 21 897 Square feet or 2 034 Square metres
   Displacement factor (Displacement / loading): 111 %
   Structure weight / hull surface area: 114 lbs/sq ft or 558 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,95
      - Longitudinal: 1,54
      - Overall: 1,00
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

25t for Long Range Marconi
75t for top mast rangefinder - FC1924
30t for climatisation
30t for additionnal pumps
24t for 8TTx21"
18t reserved

Title: Re: Byzantine Empire 1925...
Post by: Jefgte on December 21, 2022, 05:16:01 PM
I like this one  :)

TGB500, Byzantine Empire TGB500 laid down 1925

Displacement:
   500 t light; 524 t standard; 560 t normal; 589 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (242,78 ft / 242,78 ft) x 26,25 ft x (7,09 / 7,34 ft)
   (74,00 m / 74,00 m) x 8,00 m  x (2,16 / 2,24 m)

Armament:
      4 - 4,02" / 102 mm 45,0 cal guns - 33,00lbs / 14,97kg shells, 154 per gun
     Quick firing guns in deck mounts, 1925 Model
     2 x 2-gun mounts on centreline ends, evenly spread
      2 - 1,85" / 47,0 mm 45,0 cal guns - 3,19lbs / 1,45kg shells, 400 per gun
     Quick firing guns in deck mounts, 1925 Model
     2 x Single mounts on sides, forward deck aft
      2 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 3 000 per gun
     Machine guns in deck mounts, 1925 Model
     2 x Single mounts on sides, forward deck centre
      Weight of broadside 138 lbs / 63 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Direct drive, 2 shafts, 7 600 shp / 5 670 Kw = 25,09 kts
   Range 3 600nm at 10,00 kts
   Bunker at max displacement = 65 tons

Complement:
   56 - 74

Cost:
   £0,184 million / $0,736 million

Distribution of weights at normal displacement:
   Armament: 25 tons, 4,4 %
      - Guns: 25 tons, 4,4 %
   Armour: 6 tons, 1,1 %
      - Armament: 6 tons, 1,1 %
   Machinery: 229 tons, 40,8 %
   Hull, fittings & equipment: 193 tons, 34,6 %
   Fuel, ammunition & stores: 60 tons, 10,7 %
   Miscellaneous weights: 47 tons, 8,4 %
      - On freeboard deck: 20 tons
      - Above deck: 27 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     323 lbs / 147 Kg = 10,0 x 4,0 " / 102 mm shells or 0,3 torpedoes
   Stability (Unstable if below 1.00): 1,09
   Metacentric height 0,8 ft / 0,2 m
   Roll period: 12,4 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,32
   Seaboat quality  (Average = 1.00): 1,07

Hull form characteristics:
   Hull has a flush deck,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0,434 / 0,441
   Length to Beam Ratio: 9,25 : 1
   'Natural speed' for length: 15,58 kts
   Power going to wave formation at top speed: 63 %
   Trim (Max stability = 0, Max steadiness = 100): 66
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20,00 %,  13,12 ft / 4,00 m,  11,48 ft / 3,50 m
      - Forward deck:   30,00 %,  11,48 ft / 3,50 m,  9,84 ft / 3,00 m
      - Aft deck:   30,00 %,  9,84 ft / 3,00 m,  9,84 ft / 3,00 m
      - Quarter deck:   20,00 %,  9,84 ft / 3,00 m,  9,84 ft / 3,00 m
      - Average freeboard:      10,55 ft / 3,22 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 144,6 %
      - Above water (accommodation/working, high = better): 125,7 %
   Waterplane Area: 4 014 Square feet or 373 Square metres
   Displacement factor (Displacement / loading): 92 %
   Structure weight / hull surface area: 30 lbs/sq ft or 145 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,66
      - Longitudinal: 2,12
      - Overall: 0,75
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

25t for LR Marconi
2t for 1918 FC (15 000m)
6t for 2TTx533
5t for Hydrophone
5t for 50DC
4t reserved

Title: Re: Byzantine Empire 1925...
Post by: Jefgte on December 29, 2022, 05:53:42 PM
The previous 500t is too small and too slow.
This one of 1000t is more serious and has the same speed as the colonial cruisers. Good defender and good escort ship.

TGB1000, Byzantine Empire Colonial Torpedo Gun Boat laid down 1925

Displacement:
   1 000 t light; 1 066 t standard; 1 144 t normal; 1 206 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (262,14 ft / 262,14 ft) x 32,15 ft x (11,88 / 12,30 ft)
   (79,90 m / 79,90 m) x 9,80 m  x (3,62 / 3,75 m)

Armament:
      4 - 4,72" / 120 mm 45,0 cal guns - 50,00lbs / 22,68kg shells, 250 per gun
     Quick firing guns in deck and hoist mounts, 1925 Model
     2 x 2-gun mounts on centreline ends, evenly spread
      1 - 3,00" / 76,2 mm 45,0 cal gun - 12,50lbs / 5,67kg shells, 300 per gun
     Anti-air gun in deck mount, 1925 Model
     1 x Single mount on centreline, aft deck aft
      1 raised mount
      4 - 1,85" / 47,0 mm 50,0 cal guns - 3,00lbs / 1,36kg shells, 2 000 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on sides, forward deck aft
      4 raised mounts
      2 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 3 000 per gun
     Machine guns in deck mounts, 1925 Model
     2 x Single mounts on sides, forward deck forward
      Weight of broadside 225 lbs / 102 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Coal and oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 15 600 shp / 11 638 Kw = 27,01 kts
   Range 4 800nm at 10,00 kts
   Bunker at max displacement = 140 tons (25% coal)

Complement:
   97 - 127

Cost:
   £0,395 million / $1,578 million

Distribution of weights at normal displacement:
   Armament: 64 tons, 5,6 %
      - Guns: 64 tons, 5,6 %
   Armour: 8 tons, 0,7 %
      - Armament: 8 tons, 0,7 %
   Machinery: 455 tons, 39,8 %
   Hull, fittings & equipment: 372 tons, 32,5 %
   Fuel, ammunition & stores: 144 tons, 12,6 %
   Miscellaneous weights: 101 tons, 8,8 %
      - On freeboard deck: 70 tons
      - Above deck: 31 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     517 lbs / 235 Kg = 9,8 x 4,7 " / 120 mm shells or 0,3 torpedoes
   Stability (Unstable if below 1.00): 1,03
   Metacentric height 1,0 ft / 0,3 m
   Roll period: 13,7 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,55
   Seaboat quality  (Average = 1.00): 1,06

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,400 / 0,407
   Length to Beam Ratio: 8,15 : 1
   'Natural speed' for length: 16,19 kts
   Power going to wave formation at top speed: 66 %
   Trim (Max stability = 0, Max steadiness = 100): 66
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  18,21 ft / 5,55 m,  15,26 ft / 4,65 m
      - Forward deck:   33,00 %,  15,26 ft / 4,65 m,  11,81 ft / 3,60 m
      - Aft deck:   33,00 %,  11,81 ft / 3,60 m,  11,65 ft / 3,55 m
      - Quarter deck:   16,50 %,  11,65 ft / 3,55 m,  11,98 ft / 3,65 m
      - Average freeboard:      13,16 ft / 4,01 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 148,6 %
      - Above water (accommodation/working, high = better): 128,7 %
   Waterplane Area: 5 188 Square feet or 482 Square metres
   Displacement factor (Displacement / loading): 84 %
   Structure weight / hull surface area: 41 lbs/sq ft or 201 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,63
      - Longitudinal: 3,22
      - Overall: 0,75
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

6t for top mast rangefinder
25t for Long Range Marconi
16t for 1 x 4TT x 533 HW
4t for forced ventilation
15t for Ehanced Hydrophone
5t for 50 x 90kg DC
30t reserved for new material, new armament or 30  minen.

Title: Re: Byzantine Empire 1925...
Post by: The Rock Doctor on December 29, 2022, 06:55:13 PM
I like it better, yes.

Is a long-range wireless a good investment on a ship of this size?
Title: Re: Byzantine Empire 1925...
Post by: Kaiser Kirk on December 29, 2022, 10:50:11 PM
Quote from: The Rock Doctor on December 29, 2022, 06:55:13 PM
I like it better, yes.

Is a long-range wireless a good investment on a ship of this size?

I generally haven't been putting it on the littoral forces.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on December 30, 2022, 12:38:01 AM
Quote...Is a long-range wireless a good investment on a ship of this size?...

For carrying out colony patrols or isolated operations or escort in colonies, that's better.
Title: Re: Byzantine Empire 1925...
Post by: Kaiser Kirk on December 30, 2022, 12:09:49 PM
The question I ask myself is if the Colonies have radios (IC) of their own, and if I expect the ships to be more than 100nm out to sea.
However, it's not a huge weight in either case.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on December 30, 2022, 03:11:46 PM
QuoteThe question I ask myself is if the Colonies have radios (IC) of their own, and if I expect the ships to be more than 100nm out to sea...

The main bases have radios and are on call 24 hours a day.
Thus, if a Parthian cruiser is seen off Kismayo (Somalia), the TGB on patrol will report it.
His radio call will be received in Aden and Diego Suarez.

Quote...However, it's not a huge weight in either case.
..

Yes but, it degrades the stability of ships.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on January 02, 2023, 03:55:43 PM
This one is certainly better with 30.5kts vs the last one at 27kts

Suez class, Byzantine Empire TGB1000 laid down 1925

Displacement:
   1 000 t light; 1 057 t standard; 1 133 t normal; 1 194 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (277,20 ft / 275,59 ft) x 29,53 ft x (11,77 / 12,19 ft)
   (84,49 m / 84,00 m) x 9,00 m  x (3,59 / 3,72 m)

Armament:
      4 - 4,72" / 120 mm 45,0 cal guns - 50,00lbs / 22,68kg shells, 232 per gun
     Quick firing guns in deck mounts, 1925 Model
     2 x 2-gun mounts on centreline ends, evenly spread
      1 - 3,00" / 76,2 mm 45,0 cal gun - 12,50lbs / 5,67kg shells, 270 per gun
     Anti-air gun in deck mount, 1925 Model
     1 x Single mount on centreline, aft deck aft
      1 raised mount
      4 - 1,85" / 47,0 mm 45,0 cal guns - 3,00lbs / 1,36kg shells, 1 000 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on sides, forward evenly spread
      4 raised mounts
      2 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 3 000 per gun
     Machine guns in deck mounts, 1925 Model
     2 x Single mounts on sides, forward deck forward
      Weight of broadside 225 lbs / 102 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,79" / 20 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 25 620 shp / 19 112 Kw = 30,65 kts
   Range 5 000nm at 10,00 kts
   Bunker at max displacement = 137 tons

Complement:
   96 - 126

Cost:
   £0,412 million / $1,649 million

Distribution of weights at normal displacement:
   Armament: 43 tons, 3,8 %
      - Guns: 43 tons, 3,8 %
   Armour: 11 tons, 0,9 %
      - Armament: 11 tons, 0,9 %
   Machinery: 567 tons, 50,0 %
   Hull, fittings & equipment: 303 tons, 26,8 %
   Fuel, ammunition & stores: 133 tons, 11,7 %
   Miscellaneous weights: 77 tons, 6,8 %
      - On freeboard deck: 48 tons
      - Above deck: 29 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     319 lbs / 145 Kg = 6,1 x 4,7 " / 120 mm shells or 0,2 torpedoes
   Stability (Unstable if below 1.00): 1,08
   Metacentric height 0,9 ft / 0,3 m
   Roll period: 12,8 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,42
   Seaboat quality  (Average = 1.00): 1,03

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,414 / 0,421
   Length to Beam Ratio: 9,33 : 1
   'Natural speed' for length: 16,60 kts
   Power going to wave formation at top speed: 70 %
   Trim (Max stability = 0, Max steadiness = 100): 68
   Bow angle (Positive = bow angles forward): 5,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  18,37 ft / 5,60 m,  15,58 ft / 4,75 m
      - Forward deck:   33,00 %,  15,58 ft / 4,75 m,  13,12 ft / 4,00 m
      - Aft deck:   33,00 %,  13,12 ft / 4,00 m,  12,14 ft / 3,70 m
      - Quarter deck:   16,00 %,  12,14 ft / 3,70 m,  12,47 ft / 3,80 m
      - Average freeboard:      13,88 ft / 4,23 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 173,2 %
      - Above water (accommodation/working, high = better): 135,3 %
   Waterplane Area: 5 053 Square feet or 469 Square metres
   Displacement factor (Displacement / loading): 61 %
   Structure weight / hull surface area: 30 lbs/sq ft or 147 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 3,20
      - Overall: 0,60
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

25t for Long Range Marconi
4t for top mast rangefinder
16t for 1 x 4TT x 533 HW
4t for climatisation
5t for Hydrophone
5t for 50 DC
18t reserved for Minen or new armament.

Trial speed: 31,5kts
Bonus: 0.85

5000nm at 10kts to cross oceans
3333nm at 12kts
2300nm at 14kts
890nm at 20kts
252nm at 30kts



Title: Re: Byzantine Empire 1925...
Post by: Jefgte on January 10, 2023, 05:52:20 PM
Possible refurbishment for D3 class

D3, Byzantine Empire D3-500t laid down 1901 (Engine 1925)

Displacement:
   500 t light; 519 t standard; 565 t normal; 602 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (246,06 ft / 246,06 ft) x 24,61 ft x (8,17 / 8,52 ft)
   (75,00 m / 75,00 m) x 7,50 m  x (2,49 / 2,60 m)

Armament:
      3 - 4,00" / 102 mm 45,0 cal guns - 32,27lbs / 14,64kg shells, 146 per gun
     Quick firing guns in deck mounts, 1925 Model
     3 x Single mounts on centreline, evenly spread
      2 - 0,30" / 7,6 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 4 000 per gun
     Machine guns in deck mounts, 1925 Model
     2 x Single mounts on sides, forward deck aft
      2 raised mounts
      Weight of broadside 97 lbs / 44 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 10 000 shp / 7 460 Kw = 27,02 kts
   Range 3 100nm at 12,00 kts
   Bunker at max displacement = 83 tons

Complement:
   57 - 75

Cost:
   £0,059 million / $0,235 million

Distribution of weights at normal displacement:
   Armament: 17 tons, 3,1 %
      - Guns: 17 tons, 3,1 %
   Armour: 5 tons, 0,9 %
      - Armament: 5 tons, 0,9 %
   Machinery: 261 tons, 46,2 %
   Hull, fittings & equipment: 191 tons, 33,8 %
   Fuel, ammunition & stores: 66 tons, 11,6 %
   Miscellaneous weights: 25 tons, 4,4 %
      - Hull above water: 5 tons
      - On freeboard deck: 18 tons
      - Above deck: 2 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     234 lbs / 106 Kg = 7,3 x 4,0 " / 102 mm shells or 0,2 torpedoes
   Stability (Unstable if below 1.00): 1,12
   Metacentric height 0,8 ft / 0,2 m
   Roll period: 11,9 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,24
   Seaboat quality  (Average = 1.00): 1,01

Hull form characteristics:
   Hull has raised forecastle,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0,400 / 0,409
   Length to Beam Ratio: 10,00 : 1
   'Natural speed' for length: 15,69 kts
   Power going to wave formation at top speed: 64 %
   Trim (Max stability = 0, Max steadiness = 100): 70
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   24,00 %,  16,40 ft / 5,00 m,  15,09 ft / 4,60 m
      - Forward deck:   25,00 %,  9,84 ft / 3,00 m,  8,20 ft / 2,50 m
      - Aft deck:   26,00 %,  8,20 ft / 2,50 m,  8,20 ft / 2,50 m
      - Quarter deck:   25,00 %,  8,20 ft / 2,50 m,  7,87 ft / 2,40 m
      - Average freeboard:      10,15 ft / 3,09 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 158,7 %
      - Above water (accommodation/working, high = better): 106,8 %
   Waterplane Area: 3 727 Square feet or 346 Square metres
   Displacement factor (Displacement / loading): 78 %
   Structure weight / hull surface area: 29 lbs/sq ft or 141 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,67
      - Longitudinal: 2,10
      - Overall: 0,75
   Cramped machinery, storage, compartmentation space
   Adequate accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

16t for 4 TT x 450 + 4 reloads

1909 refit
1t for new rangefinder
10t for Marconi

1925 refurbisment
new engines - turbines 10000shp
new 102mm guns with 2t rangefinder - 14km
5t climatisation
2t reserved

------------------

Was

D3, Byzantine Empire D3-500t laid down 1901

Displacement:
   500 t light; 519 t standard; 570 t normal; 610 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (246,06 ft / 246,06 ft) x 24,61 ft x (8,23 / 8,61 ft)
   (75,00 m / 75,00 m) x 7,50 m  x (2,51 / 2,63 m)

Armament:
      3 - 4,00" / 102 mm 45,0 cal guns - 32,28lbs / 14,64kg shells, 146 per gun
     Quick firing guns in deck mounts, 1901 Model
     3 x Single mounts on centreline, evenly spread
      2 - 0,30" / 7,7 mm 70,0 cal guns - 0,02lbs / 0,01kg shells, 2 000 per gun
     Machine guns in deck mounts, 1901 Model
     2 x Single mounts on sides, forward deck aft
      Weight of broadside 97 lbs / 44 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,20" / 5 mm         -               -
   2nd:   0,20" / 5 mm         -               -

Machinery:
   Coal and oil fired boilers, complex reciprocating steam engines,
   Direct drive, 2 shafts, 8 000 ihp / 5 968 Kw = 25,59 kts
   Range 2 630nm at 9,00 kts
   Bunker at max displacement = 91 tons (90% coal)
     Caution: Delicate, lightweight machinery

Complement:
   57 - 75

Cost:
   £0,068 million / $0,274 million

Distribution of weights at normal displacement:
   Armament: 17 tons, 3,1 %
      - Guns: 17 tons, 3,1 %
   Armour: 2 tons, 0,4 %
      - Armament: 2 tons, 0,4 %
   Machinery: 330 tons, 57,9 %
   Hull, fittings & equipment: 121 tons, 21,2 %
   Fuel, ammunition & stores: 70 tons, 12,3 %
   Miscellaneous weights: 29 tons, 5,1 %
      - On freeboard deck: 18 tons
      - Above deck: 11 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     118 lbs / 54 Kg = 3,7 x 4,0 " / 102 mm shells or 0,2 torpedoes
   Stability (Unstable if below 1.00): 1,33
   Metacentric height 1,0 ft / 0,3 m
   Roll period: 10,2 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,18
   Seaboat quality  (Average = 1.00): 1,00

Hull form characteristics:
   Hull has raised forecastle,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0,400 / 0,409
   Length to Beam Ratio: 10,00 : 1
   'Natural speed' for length: 15,69 kts
   Power going to wave formation at top speed: 62 %
   Trim (Max stability = 0, Max steadiness = 100): 70
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   24,00 %,  12,47 ft / 3,80 m,  11,15 ft / 3,40 m
      - Forward deck:   25,00 %,  8,53 ft / 2,60 m,  8,20 ft / 2,50 m
      - Aft deck:   26,00 %,  8,20 ft / 2,50 m,  8,20 ft / 2,50 m
      - Quarter deck:   25,00 %,  8,20 ft / 2,50 m,  7,87 ft / 2,40 m
      - Average freeboard:      9,04 ft / 2,75 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 195,2 %
      - Above water (accommodation/working, high = better): 103,2 %
   Waterplane Area: 3 727 Square feet or 346 Square metres
   Displacement factor (Displacement / loading): 23 %
   Structure weight / hull surface area: 21 lbs/sq ft or 100 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 1,05
      - Overall: 0,54
   Cramped machinery, storage, compartmentation space
   Adequate accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

16t for 4 TT x 450 + 4 reloads

1909 refit
1t for new rangefinder
10t for Marconi



Title: Re: Byzantine Empire 1925...
Post by: Kaiser Kirk on January 10, 2023, 10:25:37 PM
You've got to use electric drive to go from Triple Expansion to Turbine.
That's under Ship Design :
QuoteIf a refurbishment or reconstruction changes the type of engine (eg VTE to Turbine), then Electric drives must be used. This is due to the change in shaft runs between various engine types.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on January 11, 2023, 01:01:25 AM
SS updated => no change weight.
OA always 0.75

D3, Byzantine Empire D3-500t laid down 1901 (Engine 1925)

Displacement:
   500 t light; 521 t standard; 568 t normal; 605 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (246,06 ft / 246,06 ft) x 24,61 ft x (8,20 / 8,55 ft)
   (75,00 m / 75,00 m) x 7,50 m  x (2,50 / 2,61 m)

Armament:
      3 - 4,00" / 102 mm 45,0 cal guns - 33,00lbs / 14,97kg shells, 140 per gun
     Quick firing guns in deck mounts, 1925 Model
     3 x Single mounts on centreline, evenly spread
      1 - 3,00" / 76,2 mm 45,0 cal gun - 12,50lbs / 5,67kg shells, 300 per gun
     Anti-air gun in deck mount, 1925 Model
     1 x Single mount on centreline, aft deck aft
      1 raised mount
      2 - 0,30" / 7,6 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 4 000 per gun
     Machine guns in deck mounts, 1925 Model
     2 x Single mounts on sides, forward deck aft
      2 raised mounts
      Weight of broadside 112 lbs / 51 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,20" / 5 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Electric motors, 2 shafts, 10 000 shp / 7 460 Kw = 27,00 kts
   Range 3 100nm at 12,00 kts
   Bunker at max displacement = 84 tons

Complement:
   57 - 75

Cost:
   £0,059 million / $0,238 million

Distribution of weights at normal displacement:
   Armament: 20 tons, 3,5 %
      - Guns: 20 tons, 3,5 %
   Armour: 4 tons, 0,7 %
      - Armament: 4 tons, 0,7 %
   Machinery: 261 tons, 45,9 %
   Hull, fittings & equipment: 192 tons, 33,8 %
   Fuel, ammunition & stores: 68 tons, 11,9 %
   Miscellaneous weights: 23 tons, 4,1 %
      - Hull above water: 5 tons
      - On freeboard deck: 16 tons
      - Above deck: 2 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     232 lbs / 105 Kg = 7,3 x 4,0 " / 102 mm shells or 0,2 torpedoes
   Stability (Unstable if below 1.00): 1,12
   Metacentric height 0,8 ft / 0,2 m
   Roll period: 11,9 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,29
   Seaboat quality  (Average = 1.00): 1,01

Hull form characteristics:
   Hull has raised forecastle,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0,400 / 0,409
   Length to Beam Ratio: 10,00 : 1
   'Natural speed' for length: 15,69 kts
   Power going to wave formation at top speed: 64 %
   Trim (Max stability = 0, Max steadiness = 100): 70
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   24,00 %,  16,40 ft / 5,00 m,  15,09 ft / 4,60 m
      - Forward deck:   25,00 %,  9,84 ft / 3,00 m,  8,20 ft / 2,50 m
      - Aft deck:   26,00 %,  8,20 ft / 2,50 m,  8,20 ft / 2,50 m
      - Quarter deck:   25,00 %,  8,20 ft / 2,50 m,  7,87 ft / 2,40 m
      - Average freeboard:      10,15 ft / 3,09 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 159,3 %
      - Above water (accommodation/working, high = better): 106,8 %
   Waterplane Area: 3 727 Square feet or 346 Square metres
   Displacement factor (Displacement / loading): 78 %
   Structure weight / hull surface area: 29 lbs/sq ft or 143 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,67
      - Longitudinal: 2,12
      - Overall: 0,75
   Cramped machinery, storage, compartmentation space
   Adequate accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

16t for 4 TT x 450 + 4 reloads

1909 refit
1t for new rangefinder
10t for Marconi

1925 refurbisment
new engines - turbines 10000shp
new 102mm guns with 2t rangefinder - 14km
5t climatisation


Title: Re: Byzantine Empire 1925...
Post by: Kaiser Kirk on January 11, 2023, 09:24:35 AM
QuoteEngines and Drive Shafts

The engine year of a ship will be equivalent to the laydown year of that ship or the year in which either a refurbishment or reconstruction has taken place and engine upgrades have been paid for.

Drive Shafts have some special benefits and drawbacks.
Direct Drives: No bonus or penalty
Electric Drives: Take an additional 25% of engine weight in misc weight and provides a 15% bonus to range plus improved compartmentalization (effects number of torpedo hits to sink)
Hydraulic Drives: Takes an additional 10% of engine weight in misc weight and provides a 5% bonus to range.
Geared Drives: Provides a 10% bonus to range.
Diesel Engines: Diesel engines can be used as part of mixed drive units or standalone power. Takes an additional 30% of engine weight in misc weight and provides a 75% bonus to range. Can be combined with Electric, Hydraulic or Geared drives (Bonus and penalties stack).

If a refurbishment or reconstruction changes the type of engine (eg VTE to Turbine), then Electric drives must be used. This is due to the change in shaft runs between various engine types.

Quote from: Jefgte on January 11, 2023, 01:01:25 AM
SS updated => no change weight.
OA always 0.75

D3, Byzantine Empire D3-500t laid down 1901 (Engine 1925)


Machinery:
   Oil fired boilers, steam turbines,
   Electric motors, 2 shafts, 10 000 shp / 7 460 Kw = 27,00 kts
   Range 3 100nm at 12,00 kts
   Bunker at max displacement = 84 tons

Distribution of weights at normal displacement:
   Machinery: 261 tons, 45,9 %
   
   Miscellaneous weights: 23 tons, 4,1 %
      - Hull above water: 5 tons
      - On freeboard deck: 16 tons
      - Above deck: 2 tons


That 261 ton engine would need 65.25 tons of turbogenerators in Hull Below Water to provide the electric drive.

This also makes me concerned about other old ships you've refitted, did they follow this ?
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on January 11, 2023, 03:42:03 PM
QuoteThat 261 ton engine would need 65.25 tons of turbogenerators in Hull Below Water to provide the electric drive.

This also makes me concerned about other old ships you've refitted, did they follow this ?

BB1  >:(
BB2
AC3
AC6
C3  >:(
AGB4450  >:(

For D3, add 65t on 500t... I forget the rebuilt   >:( >:( >:(


QuoteElectric Drives: Take an additional 25% of engine weight in misc weight

>:(   >:(   >:(
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on January 12, 2023, 04:03:38 PM
299t of turbines & electric drive
+ new guns
+ cost of rebuilt...

Too expensive, I prefer build new 500t Mayyuns

TGB540 ex D3, Byzantine Empire TGB laid down 1901 (Engine 1925)

Displacement:
   540 t light; 563 t standard; 612 t normal; 651 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (246,06 ft / 246,06 ft) x 24,61 ft x (8,84 / 9,21 ft)
   (75,00 m / 75,00 m) x 7,50 m  x (2,70 / 2,81 m)

Armament:
      3 - 4,00" / 102 mm 45,0 cal guns - 33,00lbs / 14,97kg shells, 140 per gun
     Quick firing guns in deck mounts, 1925 Model
     3 x Single mounts on centreline, evenly spread
      1 - 3,00" / 76,2 mm 45,0 cal gun - 12,50lbs / 5,67kg shells, 250 per gun
     Anti-air gun in deck mount, 1925 Model
     1 x Single mount on centreline, aft deck aft
      1 raised mount
      2 - 1,85" / 47,0 mm 90,0 cal guns - 3,67lbs / 1,67kg shells, 400 per gun
     Quick firing guns in deck mounts, 1925 Model
     2 x Single mounts on sides, forward deck aft
      2 raised mounts
      2 - 0,30" / 7,6 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 4 000 per gun
     Machine guns in deck mounts, 1901 Model
     2 x Single mounts on sides, forward deck forward
      2 raised mounts
      Weight of broadside 119 lbs / 54 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Electric motors, 2 shafts, 8 000 shp / 5 968 Kw = 25,31 kts
   Range 3 100nm at 12,00 kts
   Bunker at max displacement = 88 tons

Complement:
   60 - 79

Cost:
   £0,059 million / $0,235 million

Distribution of weights at normal displacement:
   Armament: 23 tons, 3,8 %
      - Guns: 23 tons, 3,8 %
   Armour: 7 tons, 1,2 %
      - Armament: 7 tons, 1,2 %
   Machinery: 239 tons, 39,1 %
   Hull, fittings & equipment: 184 tons, 30,1 %
   Fuel, ammunition & stores: 72 tons, 11,8 %
   Miscellaneous weights: 86 tons, 14,1 %
      - Hull below water: 60 tons
      - Hull above water: 5 tons
      - On freeboard deck: 19 tons
      - Above deck: 2 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     269 lbs / 122 Kg = 8,4 x 4,0 " / 102 mm shells or 0,2 torpedoes
   Stability (Unstable if below 1.00): 1,16
   Metacentric height 0,8 ft / 0,2 m
   Roll period: 11,5 seconds
   Steadiness   - As gun platform (Average = 50 %): 74 %
         - Recoil effect (Restricted arc if above 1.00): 0,32
   Seaboat quality  (Average = 1.00): 1,06

Hull form characteristics:
   Hull has raised forecastle,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0,400 / 0,409
   Length to Beam Ratio: 10,00 : 1
   'Natural speed' for length: 15,69 kts
   Power going to wave formation at top speed: 61 %
   Trim (Max stability = 0, Max steadiness = 100): 70
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   24,00 %,  15,75 ft / 4,80 m,  14,44 ft / 4,40 m
      - Forward deck:   25,00 %,  9,19 ft / 2,80 m,  7,61 ft / 2,32 m
      - Aft deck:   26,00 %,  7,61 ft / 2,32 m,  7,61 ft / 2,32 m
      - Quarter deck:   25,00 %,  7,61 ft / 2,32 m,  7,28 ft / 2,22 m
      - Average freeboard:      9,53 ft / 2,91 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 148,4 %
      - Above water (accommodation/working, high = better): 94,6 %
   Waterplane Area: 3 727 Square feet or 346 Square metres
   Displacement factor (Displacement / loading): 91 %
   Structure weight / hull surface area: 29 lbs/sq ft or 143 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,69
      - Longitudinal: 1,74
      - Overall: 0,75
   Cramped machinery, storage, compartmentation space
   Adequate accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

16t for 4 TT x 450 + 4 reloads

1909 refit
1t for new rangefinder
10t for Marconi

1925 refurbisment
new engines - turbines 8000shp
60t for electric drive
new 102mm guns with 2t rangefinder - 14km
9t for 3TTx533
5t climatisation
5t for hydrophone
5t for 50 DC



Title: Re: Byzantine Empire 1925...
Post by: Jefgte on January 13, 2023, 01:16:48 AM
AGB4450

Add 200t to AGB4450=> 4650t
electric drive = 205t

AGB5850 to AGB 4650t, Byzantine Empire Armored Colonial Gunboat laid down 1897 (Engine 1921)

Displacement:
   4 650 t light; 4 852 t standard; 5 121 t normal; 5 337 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (410,00 ft / 404,00 ft) x 57,00 ft x (12,43 / 12,87 ft)
   (124,97 m / 123,14 m) x 17,37 m  x (3,79 / 3,92 m)

Armament:
      4 - 7,52" / 191 mm 45,0 cal guns - 200,00lbs / 90,72kg shells, 140 per gun
     Breech loading guns in turret on barbette mounts, 1921 Model
     2 x Twin mounts on centreline ends, evenly spread
      8 - 4,72" / 120 mm 45,0 cal guns - 50,00lbs / 22,68kg shells, 180 per gun
     Quick firing guns in deck and hoist mounts, 1921 Model
     8 x Single mounts on sides, evenly spread
      4 - 3,00" / 76,2 mm 45,0 cal guns - 12,50lbs / 5,67kg shells, 240 per gun
     Anti-air guns in deck mounts, 1921 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      4 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 4 000 per gun
     Machine guns in deck mounts, 1921 Model
     4 x Single mounts on sides, evenly spread
      Weight of broadside 1 250 lbs / 567 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   3,94" / 100 mm   374,02 ft / 114,00 m   10,33 ft / 3,15 m
   Ends:   0,98" / 25 mm     29,53 ft / 9,00 m   6,00 ft / 1,83 m
     0,46 ft / 0,14 m Unarmoured ends
   Upper:   0,98" / 25 mm   374,02 ft / 114,00 m   6,56 ft / 2,00 m
     Main Belt covers 142 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   4,72" / 120 mm   1,38" / 35 mm      3,94" / 100 mm
   2nd:   0,79" / 20 mm         -         1,57" / 40 mm
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

   - Protected deck - single deck:
   For and Aft decks: 1,18" / 30 mm
   Forecastle: 0,79" / 20 mm  Quarter deck: 0,79" / 20 mm

   - Conning towers: Forward 3,94" / 100 mm, Aft 1,38" / 35 mm

Machinery:
   Coal and oil fired boilers, steam turbines,
   Electric motors, 2 shafts, 23 240 shp / 17 337 Kw = 24,00 kts
   Range 6 000nm at 10,00 kts
   Bunker at max displacement = 485 tons (25% coal)

Complement:
   302 - 393

Cost:
   £0,401 million / $1,606 million

Distribution of weights at normal displacement:
   Armament: 319 tons, 6,2 %
      - Guns: 319 tons, 6,2 %
   Armour: 1 236 tons, 24,1 %
      - Belts: 711 tons, 13,9 %
      - Armament: 140 tons, 2,7 %
      - Armour Deck: 351 tons, 6,9 %
      - Conning Towers: 34 tons, 0,7 %
   Machinery: 819 tons, 16,0 %
   Hull, fittings & equipment: 1 925 tons, 37,6 %
   Fuel, ammunition & stores: 471 tons, 9,2 %
   Miscellaneous weights: 352 tons, 6,9 %
      - Hull below water: 235 tons
      - Hull above water: 30 tons
      - On freeboard deck: 30 tons
      - Above deck: 57 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     8 267 lbs / 3 750 Kg = 38,9 x 7,5 " / 191 mm shells or 1,7 torpedoes
   Stability (Unstable if below 1.00): 1,18
   Metacentric height 2,9 ft / 0,9 m
   Roll period: 13,9 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,37
   Seaboat quality  (Average = 1.00): 1,02

Hull form characteristics:
   Hull has raised forecastle,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0,626 / 0,630
   Length to Beam Ratio: 7,09 : 1
   'Natural speed' for length: 20,10 kts
   Power going to wave formation at top speed: 57 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): -15,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20,00 %,  21,85 ft / 6,66 m,  19,88 ft / 6,06 m
      - Forward deck:   30,00 %,  16,27 ft / 4,96 m,  13,88 ft / 4,23 m
      - Aft deck:   30,00 %,  13,88 ft / 4,23 m,  13,88 ft / 4,23 m
      - Quarter deck:   20,00 %,  13,88 ft / 4,23 m,  13,88 ft / 4,23 m
      - Average freeboard:      15,60 ft / 4,75 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 80,4 %
      - Above water (accommodation/working, high = better): 157,5 %
   Waterplane Area: 17 255 Square feet or 1 603 Square metres
   Displacement factor (Displacement / loading): 116 %
   Structure weight / hull surface area: 89 lbs/sq ft or 434 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,95
      - Longitudinal: 1,49
      - Overall: 1,00
   Excellent machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

16t for 4 subTT x 15'' + 4 reloads
32t for top fire control
25t for  Marconi
30t for additionnal pumps
30t for additionnal ventilation
24t reserved
205t for electric drive
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on January 13, 2023, 03:12:18 AM
C3

=> 5110t to 5390t
Add 323t for electric drive

SC3, Byzantine Empire SC3 laid down 1902 (Engine 1920)

Displacement:
   5 390 t light; 5 647 t standard; 6 360 t normal; 6 930 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (487,00 ft / 486,00 ft) x 54,00 ft x (15,85 / 16,96 ft)
   (148,44 m / 148,13 m) x 16,46 m  x (4,83 / 5,17 m)

Armament:
      2 - 7,50" / 191 mm 45,0 cal guns - 200,00lbs / 90,72kg shells, 145 per gun
     Breech loading guns in deck and hoist mounts, 1920 Model
     2 x Single mounts on centreline ends, evenly spread
      4 - 7,50" / 191 mm 45,0 cal guns - 200,00lbs / 90,72kg shells, 145 per gun
     Breech loading guns in deck and hoist mounts, 1920 Model
     4 x Single mounts on sides, aft evenly spread
      6 - 4,72" / 120 mm 45,0 cal guns - 50,00lbs / 22,68kg shells, 180 per gun
     Quick firing guns in deck mounts, 1920 Model
     6 x Single mounts on sides, forward evenly spread
      2 - 3,00" / 76,2 mm 45,0 cal guns - 12,50lbs / 5,67kg shells, 220 per gun
     Anti-air guns in deck mounts, 1920 Model
     2 x Single mounts on centreline, aft evenly spread
      2 raised mounts
      4 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 4 000 per gun
     Machine guns in deck mounts, 1920 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      Weight of broadside 1 525 lbs / 692 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   3,94" / 100 mm   475,72 ft / 145,00 m   12,80 ft / 3,90 m
   Ends:   Unarmoured
     Main Belt covers 151 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   2,76" / 70 mm   0,79" / 20 mm      2,17" / 55 mm
   2nd:   2,76" / 70 mm   0,79" / 20 mm      2,17" / 55 mm
   3rd:   0,79" / 20 mm         -               -
   4th:   0,39" / 10 mm         -               -
   5th:   0,39" / 10 mm         -               -

   - Protected deck - single deck:
   For and Aft decks: 0,98" / 25 mm
   Forecastle: 0,79" / 20 mm  Quarter deck: 0,79" / 20 mm

   - Conning towers: Forward 2,76" / 70 mm, Aft 1,38" / 35 mm

Machinery:
   Coal and oil fired boilers, steam turbines,
   Electric motors, 4 shafts, 36 120 shp / 26 946 Kw = 27,01 kts
   Range 10 000nm at 12,00 kts
   Bunker at max displacement = 1 283 tons (25% coal)

Complement:
   355 - 462

Cost:
   £0,506 million / $2,025 million

Distribution of weights at normal displacement:
   Armament: 395 tons, 6,2 %
      - Guns: 395 tons, 6,2 %
   Armour: 1 333 tons, 21,0 %
      - Belts: 917 tons, 14,4 %
      - Armament: 75 tons, 1,2 %
      - Armour Deck: 310 tons, 4,9 %
      - Conning Towers: 31 tons, 0,5 %
   Machinery: 1 292 tons, 20,3 %
   Hull, fittings & equipment: 1 757 tons, 27,6 %
   Fuel, ammunition & stores: 970 tons, 15,2 %
   Miscellaneous weights: 612 tons, 9,6 %
      - Hull below water: 353 tons
      - Hull above water: 30 tons
      - On freeboard deck: 164 tons
      - Above deck: 65 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     6 520 lbs / 2 957 Kg = 30,9 x 7,5 " / 191 mm shells or 1,3 torpedoes
   Stability (Unstable if below 1.00): 1,18
   Metacentric height 2,7 ft / 0,8 m
   Roll period: 13,8 seconds
   Steadiness   - As gun platform (Average = 50 %): 72 %
         - Recoil effect (Restricted arc if above 1.00): 0,36
   Seaboat quality  (Average = 1.00): 1,04

Hull form characteristics:
   Hull has raised forecastle,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,535 / 0,545
   Length to Beam Ratio: 9,00 : 1
   'Natural speed' for length: 22,05 kts
   Power going to wave formation at top speed: 54 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 1,00 ft / 0,30 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   25,00 %,  19,85 ft / 6,05 m,  18,86 ft / 5,75 m
      - Forward deck:   25,00 %,  11,84 ft / 3,61 m,  11,84 ft / 3,61 m
      - Aft deck:   25,00 %,  11,84 ft / 3,61 m,  11,84 ft / 3,61 m
      - Quarter deck:   25,00 %,  11,84 ft / 3,61 m,  11,84 ft / 3,61 m
      - Average freeboard:      13,70 ft / 4,18 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 93,0 %
      - Above water (accommodation/working, high = better): 114,8 %
   Waterplane Area: 18 060 Square feet or 1 678 Square metres
   Displacement factor (Displacement / loading): 109 %
   Structure weight / hull surface area: 76 lbs/sq ft or 372 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,89
      - Longitudinal: 0,93
      - Overall: 0,90
   Caution: Hull subject to strain in open-sea
   Adequate machinery, storage, compartmentation space
   Adequate accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

AD
25t for Marconi
40t for top mast range finder - 1918 FC
OD
24t for 2x3TTx533 HW
80t for 2x40 minen
60t reserved
AW
30t for climatisation
BW
30t for additionnal pumps
323t for electric drive
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on January 13, 2023, 04:03:35 AM
BB1  

13460t to 13920t
Add 500t for electric drive

Niepos, Byzantine Empire Colonial BB laid down 1897 (Engine 1916)

Displacement:
   13 920 t light; 14 588 t standard; 15 634 t normal; 16 471 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (426,51 ft / 426,51 ft) x 78,74 ft x (25,07 / 26,21 ft)
   (130,00 m / 130,00 m) x 24,00 m  x (7,64 / 7,99 m)

Armament:
      4 - 10,00" / 254 mm 45,0 cal guns - 500,01lbs / 226,80kg shells, 105 per gun
     Breech loading guns in turret on barbette mounts, 1910 Model
     2 x Twin mounts on centreline ends, evenly spread
      4 - 10,00" / 254 mm 45,0 cal guns - 500,01lbs / 226,80kg shells, 105 per gun
     Breech loading guns in turret on barbette mounts, 1910 Model
     4 x Single mounts on sides, evenly spread
      12 - 5,98" / 152 mm 45,0 cal guns - 100,00lbs / 45,36kg shells, 175 per gun
     Quick firing guns in deck and hoist mounts, 1910 Model
     12 x Single mounts on sides, evenly spread
      4 - 3,00" / 76,2 mm 45,0 cal guns - 12,50lbs / 5,67kg shells, 160 per gun
     Anti-air guns in deck mounts, 1910 Model
     4 x Single mounts on sides, evenly spread
      4 raised mounts
      4 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 2 000 per gun
     Machine guns in deck mounts, 1910 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      Weight of broadside 5 267 lbs / 2 389 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   11,8" / 300 mm   277,23 ft / 84,50 m   11,81 ft / 3,60 m
   Ends:   3,94" / 100 mm   149,25 ft / 45,49 m   11,81 ft / 3,60 m
   Upper:   5,91" / 150 mm   277,23 ft / 84,50 m   11,81 ft / 3,60 m
     Main Belt covers 100 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   11,8" / 300 mm   7,87" / 200 mm      11,0" / 280 mm
   2nd:   9,06" / 230 mm   1,97" / 50 mm      7,87" / 200 mm
   3rd:   1,97" / 50 mm   0,79" / 20 mm      3,94" / 100 mm
   4th:   0,79" / 20 mm   0,39" / 10 mm            -
   5th:   0,50" / 13 mm         -               -

   - Armoured deck - single deck:
   For and Aft decks: 2,36" / 60 mm
   Forecastle: 1,18" / 30 mm  Quarter deck: 1,18" / 30 mm

   - Conning towers: Forward 11,81" / 300 mm, Aft 7,87" / 200 mm

Machinery:
   Coal and oil fired boilers, reciprocating cruising steam engines and steam turbines
   Electric motors, 2 shafts, 31 160 ihp / 23 246 Kw = 21,75 kts
   Range 7 500nm at 10,00 kts
   Bunker at max displacement = 1 884 tons (90% coal)

Complement:
   698 - 908

Cost:
   £1,270 million / $5,079 million

Distribution of weights at normal displacement:
   Armament: 1 251 tons, 8,0 %
      - Guns: 1 251 tons, 8,0 %
   Armour: 5 376 tons, 34,4 %
      - Belts: 2 875 tons, 18,4 %
      - Armament: 1 209 tons, 7,7 %
      - Armour Deck: 1 027 tons, 6,6 %
      - Conning Towers: 265 tons, 1,7 %
   Machinery: 2 000 tons, 12,8 %
   Hull, fittings & equipment: 4 482 tons, 28,7 %
   Fuel, ammunition & stores: 1 715 tons, 11,0 %
   Miscellaneous weights: 810 tons, 5,2 %
      - Hull below water: 500 tons
      - Hull above water: 160 tons
      - Above deck: 150 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     21 440 lbs / 9 725 Kg = 42,9 x 10,0 " / 254 mm shells or 2,7 torpedoes
   Stability (Unstable if below 1.00): 1,15
   Metacentric height 4,5 ft / 1,4 m
   Roll period: 15,5 seconds
   Steadiness   - As gun platform (Average = 50 %): 73 %
         - Recoil effect (Restricted arc if above 1.00): 0,56
   Seaboat quality  (Average = 1.00): 1,26

Hull form characteristics:
   Hull has a flush deck,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0,650 / 0,655
   Length to Beam Ratio: 5,42 : 1
   'Natural speed' for length: 20,65 kts
   Power going to wave formation at top speed: 58 %
   Trim (Max stability = 0, Max steadiness = 100): 58
   Bow angle (Positive = bow angles forward): -10,00 degrees
   Stern overhang: -3,28 ft / -1,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20,00 %,  20,01 ft / 6,10 m,  20,01 ft / 6,10 m
      - Forward deck:   30,00 %,  20,01 ft / 6,10 m,  20,01 ft / 6,10 m
      - Aft deck:   35,00 %,  20,01 ft / 6,10 m,  20,01 ft / 6,10 m
      - Quarter deck:   15,00 %,  20,01 ft / 6,10 m,  20,01 ft / 6,10 m
      - Average freeboard:      20,01 ft / 6,10 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 75,9 %
      - Above water (accommodation/working, high = better): 140,5 %
   Waterplane Area: 25 727 Square feet or 2 390 Square metres
   Displacement factor (Displacement / loading): 104 %
   Structure weight / hull surface area: 139 lbs/sq ft or 678 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,91
      - Longitudinal: 2,47
      - Overall: 1,00
   Excellent machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform
   Good seaboat, rides out heavy weather easily

AD
125t for 1914 Top Fire Control
25t for Marconi
AW
50t for 4TT x 18" + 3 reloads
70t for climatisation
40t reserved
BW
500t for electric drive
------
LD 1897
Com 1900
Rebuilt 1916-17
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on January 13, 2023, 04:06:22 AM
Calculate budget surplus to do.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on January 14, 2023, 03:42:31 PM

rebuiltBP to addshipsBP to add
AGB4650t19210,2x4=0,8
C319200,28x6=1,68
BB119160,46x2=0,92
3,4


1924H22,50%ships$
6HY0,03x4=0,12
7HY0,049x6=0,294
14HY0,161x2=0,322
0,736
Total $ =>3,4+0,736=4,136

Cost to add in 1924H2
Rebuilt cost 3.4BP
Rebuilt cost 3.4$ + Ships Upkeep 0.736$ = 4.136$

Title: Re: Byzantine Empire 1925...
Post by: Jefgte on January 18, 2023, 04:21:07 PM
Because of the proliferation of MTBs, Byzantium plans to use the T2x102 to counter them from 14000m. The high rate of fire, 12 to 15 per minute is an interesting asset. Installation of 3 turrets is the first possibility on a TGB1000 (coastal & colonies protection).

I also think that if Byzantium goes to war, most of the battles will take place near the coasts (colonies) where coastal torpedo boats proliferate.


Suez class, Byzantine Empire TGB1000 laid down 1925

Displacement:
   1 000 t light; 1 058 t standard; 1 142 t normal; 1 208 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (277,20 ft / 275,59 ft) x 29,53 ft x (11,86 / 12,32 ft)
   (84,49 m / 84,00 m) x 9,00 m  x (3,62 / 3,76 m)

Armament:
      6 - 4,02" / 102 mm 45,0 cal guns - 33,00lbs / 14,97kg shells, 260 per gun
     Quick firing guns in deck mounts, 1925 Model
     3 x 2-gun mounts on centreline ends, majority aft
      1 raised mount aft - superfiring
      4 - 1,85" / 47,0 mm 45,0 cal guns - 3,00lbs / 1,36kg shells, 1 000 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on sides, forward evenly spread
      4 raised mounts
      2 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 3 000 per gun
     Machine guns in deck mounts, 1925 Model
     2 x Single mounts on sides, forward deck forward
      Weight of broadside 210 lbs / 95 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,79" / 20 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 25 000 shp / 18 650 Kw = 30,45 kts
   Range 5 500nm at 10,00 kts
   Bunker at max displacement = 150 tons

Complement:
   97 - 127

Cost:
   £0,410 million / $1,638 million

Distribution of weights at normal displacement:
   Armament: 38 tons, 3,3 %
      - Guns: 38 tons, 3,3 %
   Armour: 12 tons, 1,0 %
      - Armament: 12 tons, 1,0 %
   Machinery: 570 tons, 50,0 %
   Hull, fittings & equipment: 310 tons, 27,1 %
   Fuel, ammunition & stores: 141 tons, 12,4 %
   Miscellaneous weights: 70 tons, 6,1 %
      - On freeboard deck: 41 tons
      - Above deck: 29 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     327 lbs / 148 Kg = 10,1 x 4,0 " / 102 mm shells or 0,2 torpedoes
   Stability (Unstable if below 1.00): 1,09
   Metacentric height 0,9 ft / 0,3 m
   Roll period: 12,7 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,43
   Seaboat quality  (Average = 1.00): 1,04

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,414 / 0,422
   Length to Beam Ratio: 9,33 : 1
   'Natural speed' for length: 16,60 kts
   Power going to wave formation at top speed: 69 %
   Trim (Max stability = 0, Max steadiness = 100): 68
   Bow angle (Positive = bow angles forward): 5,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  18,37 ft / 5,60 m,  15,58 ft / 4,75 m
      - Forward deck:   33,00 %,  15,58 ft / 4,75 m,  13,12 ft / 4,00 m
      - Aft deck:   33,00 %,  13,12 ft / 4,00 m,  12,14 ft / 3,70 m
      - Quarter deck:   16,00 %,  12,14 ft / 3,70 m,  12,47 ft / 3,80 m
      - Average freeboard:      13,88 ft / 4,23 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 172,2 %
      - Above water (accommodation/working, high = better): 133,9 %
   Waterplane Area: 5 053 Square feet or 469 Square metres
   Displacement factor (Displacement / loading): 63 %
   Structure weight / hull surface area: 30 lbs/sq ft or 148 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 3,11
      - Overall: 0,60
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

25t for Long Range Marconi
4t for top mast rangefinder
9t for 1 x 3TT x 533
4t for climatisation
5t for Hydrophone
5t for 50 DC
18t reserved for Minen or new armament.



Trial speed: 31,5kts
Bonus: 1.05


This one with 4T2x102

Suez class, Byzantine Empire TGB1100 laid down 1925

Displacement:
   1 100 t light; 1 170 t standard; 1 260 t normal; 1 332 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (309,95 ft / 308,40 ft) x 30,18 ft x (11,44 / 11,88 ft)
   (94,47 m / 94,00 m) x 9,20 m  x (3,49 / 3,62 m)

Armament:
      8 - 4,02" / 102 mm 45,0 cal guns - 33,00lbs / 14,97kg shells, 260 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x 2-gun mounts on centreline ends, evenly spread
      2 raised mounts - superfiring
      4 - 1,85" / 47,0 mm 45,0 cal guns - 3,00lbs / 1,36kg shells, 1 000 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on sides, forward evenly spread
      4 raised mounts
      2 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 3 000 per gun
     Machine guns in deck mounts, 1925 Model
     2 x Single mounts on sides, forward deck forward
      Weight of broadside 276 lbs / 125 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,79" / 20 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 27 280 shp / 20 351 Kw = 31,22 kts
   Range 5 500nm at 10,00 kts
   Bunker at max displacement = 161 tons

Complement:
   105 - 137

Cost:
   £0,458 million / $1,833 million

Distribution of weights at normal displacement:
   Armament: 50 tons, 3,9 %
      - Guns: 50 tons, 3,9 %
   Armour: 14 tons, 1,1 %
      - Armament: 14 tons, 1,1 %
   Machinery: 629 tons, 50,0 %
   Hull, fittings & equipment: 331 tons, 26,3 %
   Fuel, ammunition & stores: 160 tons, 12,7 %
   Miscellaneous weights: 76 tons, 6,0 %
      - On freeboard deck: 46 tons
      - Above deck: 30 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     338 lbs / 153 Kg = 10,4 x 4,0 " / 102 mm shells or 0,3 torpedoes
   Stability (Unstable if below 1.00): 1,08
   Metacentric height 1,0 ft / 0,3 m
   Roll period: 12,9 seconds
   Steadiness   - As gun platform (Average = 50 %): 72 %
         - Recoil effect (Restricted arc if above 1.00): 0,54
   Seaboat quality  (Average = 1.00): 1,04

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,414 / 0,422
   Length to Beam Ratio: 10,22 : 1
   'Natural speed' for length: 17,56 kts
   Power going to wave formation at top speed: 67 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 5,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  17,72 ft / 5,40 m,  15,09 ft / 4,60 m
      - Forward deck:   33,00 %,  15,09 ft / 4,60 m,  12,80 ft / 3,90 m
      - Aft deck:   33,00 %,  12,80 ft / 3,90 m,  11,81 ft / 3,60 m
      - Quarter deck:   16,00 %,  11,81 ft / 3,60 m,  12,14 ft / 3,70 m
      - Average freeboard:      13,48 ft / 4,11 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 174,0 %
      - Above water (accommodation/working, high = better): 137,6 %
   Waterplane Area: 5 780 Square feet or 537 Square metres
   Displacement factor (Displacement / loading): 63 %
   Structure weight / hull surface area: 31 lbs/sq ft or 149 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 2,14
      - Overall: 0,57
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

25t for Long Range Marconi
5t for top mast rangefinder
9t for 1 x 3TT x 533
5t for climatisation
5t for Hydrophone
5t for 50 DC
22t reserved for Minen or new armament.



Trial speed: 32kts
Bonus: 0.78



Title: Re: Byzantine Empire 1925...
Post by: Jefgte on January 19, 2023, 08:04:11 AM
1000t & 4T2x102 - 31,15kts - 5000nm at 10kts
:)


Suez class, Byzantine Empire TGB1000 laid down 1925

Displacement:
   1 000 t light; 1 063 t standard; 1 140 t normal; 1 201 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (309,93 ft / 308,40 ft) x 29,86 ft x (10,22 / 10,59 ft)
   (94,47 m / 94,00 m) x 9,10 m  x (3,12 / 3,23 m)

Armament:
      8 - 4,02" / 102 mm 45,0 cal guns - 33,00lbs / 14,97kg shells, 250 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x 2-gun mounts on centreline ends, evenly spread
      1 raised mount fore - superfiring
      2 - 1,85" / 47,0 mm 45,0 cal guns - 3,19lbs / 1,45kg shells, 1 000 per gun
     Quick firing guns in deck mounts, 1925 Model
     2 x Single mounts on sides, forward deck centre
      2 raised mounts
      2 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 3 000 per gun
     Machine guns in deck mounts, 1925 Model
     2 x Single mounts on sides, forward deck forward
      Weight of broadside 270 lbs / 123 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,79" / 20 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 25 440 shp / 18 978 Kw = 31,15 kts
   Range 5 000nm at 10,00 kts
   Bunker at max displacement = 138 tons

Complement:
   97 - 127

Cost:
   £0,418 million / $1,673 million

Distribution of weights at normal displacement:
   Armament: 48 tons, 4,2 %
      - Guns: 48 tons, 4,2 %
   Armour: 12 tons, 1,1 %
      - Armament: 12 tons, 1,1 %
   Machinery: 569 tons, 50,0 %
   Hull, fittings & equipment: 313 tons, 27,5 %
   Fuel, ammunition & stores: 140 tons, 12,3 %
   Miscellaneous weights: 57 tons, 5,0 %
      - On freeboard deck: 27 tons
      - Above deck: 30 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     324 lbs / 147 Kg = 10,0 x 4,0 " / 102 mm shells or 0,2 torpedoes
   Stability (Unstable if below 1.00): 1,10
   Metacentric height 1,0 ft / 0,3 m
   Roll period: 12,6 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,49
   Seaboat quality  (Average = 1.00): 1,03

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,424 / 0,431
   Length to Beam Ratio: 10,33 : 1
   'Natural speed' for length: 17,56 kts
   Power going to wave formation at top speed: 67 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 5,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  17,55 ft / 5,35 m,  14,93 ft / 4,55 m
      - Forward deck:   33,00 %,  14,93 ft / 4,55 m,  12,63 ft / 3,85 m
      - Aft deck:   33,00 %,  12,63 ft / 3,85 m,  11,65 ft / 3,55 m
      - Quarter deck:   16,00 %,  11,65 ft / 3,55 m,  11,98 ft / 3,65 m
      - Average freeboard:      13,32 ft / 4,06 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 174,6 %
      - Above water (accommodation/working, high = better): 146,5 %
   Waterplane Area: 5 757 Square feet or 535 Square metres
   Displacement factor (Displacement / loading): 62 %
   Structure weight / hull surface area: 30 lbs/sq ft or 145 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 2,03
      - Overall: 0,57
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

25t for Long Range Marconi
5t for top mast rangefinder
9t for 1 x 3TT x 533
4t for climatisation
5t for Hydrophone
4t for 40 DC
5t reserved for Minen or new armament.

Trial speed: 32kts
Bonus: 0.86


Title: Re: Byzantine Empire 1925...
Post by: Jefgte on January 23, 2023, 04:15:18 PM
TGB700 for colonial fleets, economical & able to work with colonial 27kts cruisers.

Madagascar class, Byzantine Empire TGB700 laid down 1925

Displacement:
   700 t light; 735 t standard; 802 t normal; 857 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (260,48 ft / 259,19 ft) x 28,87 ft x (9,38 / 9,79 ft)
   (79,39 m / 79,00 m) x 8,80 m  x (2,86 / 2,99 m)

Armament:
      4 - 4,00" / 102 mm 45,0 cal guns - 33,00lbs / 14,97kg shells, 216 per gun
     Quick firing guns in deck mounts, 1925 Model
     2 x 2-gun mounts on centreline ends, evenly spread
      2 - 1,85" / 47,0 mm 45,0 cal guns - 3,00lbs / 1,36kg shells, 1 000 per gun
     Quick firing guns in deck mounts, 1925 Model
     2 x Single mounts on centreline, aft deck aft
      2 raised mounts
      2 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 4 000 per gun
     Machine guns in deck mounts, 1925 Model
     2 x Single mounts on sides, forward deck centre
      2 raised mounts
      Weight of broadside 138 lbs / 63 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 12 400 shp / 9 251 Kw = 27,05 kts
   Range 5 600nm at 10,00 kts
   Bunker at max displacement = 122 tons

Complement:
   75 - 98

Cost:
   £0,266 million / $1,065 million

Distribution of weights at normal displacement:
   Armament: 25 tons, 3,1 %
      - Guns: 25 tons, 3,1 %
   Armour: 6 tons, 0,8 %
      - Armament: 6 tons, 0,8 %
   Machinery: 358 tons, 44,7 %
   Hull, fittings & equipment: 263 tons, 32,8 %
   Fuel, ammunition & stores: 103 tons, 12,8 %
   Miscellaneous weights: 47 tons, 5,9 %
      - On freeboard deck: 45 tons
      - Above deck: 2 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     385 lbs / 174 Kg = 12,0 x 4,0 " / 102 mm shells or 0,3 torpedoes
   Stability (Unstable if below 1.00): 1,16
   Metacentric height 1,0 ft / 0,3 m
   Roll period: 12,0 seconds
   Steadiness   - As gun platform (Average = 50 %): 72 %
         - Recoil effect (Restricted arc if above 1.00): 0,25
   Seaboat quality  (Average = 1.00): 1,05

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,400 / 0,409
   Length to Beam Ratio: 8,98 : 1
   'Natural speed' for length: 16,10 kts
   Power going to wave formation at top speed: 65 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 5,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  14,76 ft / 4,50 m,  12,80 ft / 3,90 m
      - Forward deck:   33,00 %,  12,80 ft / 3,90 m,  10,83 ft / 3,30 m
      - Aft deck:   33,00 %,  10,83 ft / 3,30 m,  10,17 ft / 3,10 m
      - Quarter deck:   16,00 %,  10,17 ft / 3,10 m,  10,50 ft / 3,20 m
      - Average freeboard:      11,46 ft / 3,49 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 153,9 %
      - Above water (accommodation/working, high = better): 130,5 %
   Waterplane Area: 4 606 Square feet or 428 Square metres
   Displacement factor (Displacement / loading): 87 %
   Structure weight / hull surface area: 33 lbs/sq ft or 163 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,66
      - Longitudinal: 2,33
      - Overall: 0,75
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

Short range Marconi (100nm)
2t for top fire control
9t for 3TTx533
4t for climatisation
15t for enhanced Hydrophone
5t for 50 DC
12t reserved

5600nm@10kts
3700nm@12kts
980nm@20kts
390nm@27kts


Title: Re: Byzantine Empire 1925...
Post by: Jefgte on January 26, 2023, 04:07:56 PM
What could Byzantine built with 3000t & OA 0.75 ?
Not a pocket carrier, but a light cruiser.

Light Scout Cruiser, Byzantine Empire 3000t-3T2x140-30kts, laid down 1925

Displacement:
   3 000 t light; 3 147 t standard; 3 496 t normal; 3 775 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (409,07 ft / 406,82 ft) x 45,93 ft x (15,59 / 16,43 ft)
   (124,68 m / 124,00 m) x 14,00 m  x (4,75 / 5,01 m)

Armament:
      6 - 5,51" / 140 mm 50,0 cal guns - 81,99lbs / 37,19kg shells, 240 per gun
     Quick firing guns in deck and hoist mounts, 1925 Model
     3 x Twin mounts on centreline ends, majority forward
      1 raised mount - superfiring
      2 - 3,00" / 76,2 mm 45,0 cal guns - 13,62lbs / 6,18kg shells, 280 per gun
     Anti-air guns in deck mounts, 1925 Model
     2 x Single mounts on centreline, aft evenly spread
      2 raised mounts
      4 - 1,85" / 47,0 mm 50,0 cal guns - 3,35lbs / 1,52kg shells, 1 000 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on sides, forward deck aft
      4 raised mounts
      2 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 4 000 per gun
     Machine guns in deck mounts, 1925 Model
     2 x Single mounts on sides, forward deck forward
      2 raised mounts
      Weight of broadside 533 lbs / 242 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   1,18" / 30 mm   351,05 ft / 107,00 m   9,84 ft / 3,00 m
   Ends:   Unarmoured
     Main Belt covers 133 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   1,18" / 30 mm   0,79" / 20 mm      0,79" / 20 mm
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

   - Armoured deck - single deck:
   For and Aft decks: 1,18" / 30 mm
   Forecastle: 0,79" / 20 mm  Quarter deck: 0,79" / 20 mm

   - Conning towers: Forward 1,97" / 50 mm, Aft 0,00" / 0 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 39 000 shp / 29 094 Kw = 30,02 kts
   Range 8 000nm at 12,00 kts
   Bunker at max displacement = 628 tons

Complement:
   226 - 295

Cost:
   £1,107 million / $4,428 million

Distribution of weights at normal displacement:
   Armament: 136 tons, 3,9 %
      - Guns: 136 tons, 3,9 %
   Armour: 436 tons, 12,5 %
      - Belts: 160 tons, 4,6 %
      - Armament: 26 tons, 0,7 %
      - Armour Deck: 240 tons, 6,9 %
      - Conning Tower: 10 tons, 0,3 %
   Machinery: 1 250 tons, 35,7 %
   Hull, fittings & equipment: 1 049 tons, 30,0 %
   Fuel, ammunition & stores: 496 tons, 14,2 %
   Miscellaneous weights: 130 tons, 3,7 %
      - On freeboard deck: 91 tons
      - Above deck: 39 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     1 940 lbs / 880 Kg = 23,2 x 5,5 " / 140 mm shells or 0,6 torpedoes
   Stability (Unstable if below 1.00): 1,11
   Metacentric height 1,9 ft / 0,6 m
   Roll period: 13,9 seconds
   Steadiness   - As gun platform (Average = 50 %): 72 %
         - Recoil effect (Restricted arc if above 1.00): 0,41
   Seaboat quality  (Average = 1.00): 1,05

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,420 / 0,430
   Length to Beam Ratio: 8,86 : 1
   'Natural speed' for length: 20,17 kts
   Power going to wave formation at top speed: 61 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 6,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  21,33 ft / 6,50 m,  18,04 ft / 5,50 m
      - Forward deck:   32,50 %,  18,04 ft / 5,50 m,  14,76 ft / 4,50 m
      - Aft deck:   32,50 %,  14,76 ft / 4,50 m,  13,78 ft / 4,20 m
      - Quarter deck:   17,50 %,  13,78 ft / 4,20 m,  14,44 ft / 4,40 m
      - Average freeboard:      15,83 ft / 4,82 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 132,1 %
      - Above water (accommodation/working, high = better): 150,6 %
   Waterplane Area: 11 650 Square feet or 1 082 Square metres
   Displacement factor (Displacement / loading): 96 %
   Structure weight / hull surface area: 57 lbs/sq ft or 280 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,69
      - Longitudinal: 1,55
      - Overall: 0,75
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

14t for 1918 top mast rangefinder (18000m)
25t for LR marconi
15t for additionnal engines ventillation
32t for 8TTx533 HW
15t for improved Hydrophone
5t for 50x90DC
23t reserved for new material, armament, minen.


Title: Re: Byzantine Empire 1925...
Post by: Jefgte on January 26, 2023, 06:02:56 PM
Or this one:

Light Scout Cruiser, Byzantine Empire 3000t-4T2x140-30kts laid down 1925

Displacement:
   3 000 t light; 3 145 t standard; 3 500 t normal; 3 784 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (454,69 ft / 452,76 ft) x 45,28 ft x (14,94 / 15,73 ft)
   (138,59 m / 138,00 m) x 13,80 m  x (4,55 / 4,79 m)

Armament:
      8 - 5,51" / 140 mm 50,0 cal guns - 81,99lbs / 37,19kg shells, 180 per gun
     Quick firing guns in deck and hoist mounts, 1925 Model
     4 x 2-gun mounts on centreline ends, evenly spread
      1 raised mount - superfiring
      2 - 3,00" / 76,2 mm 45,0 cal guns - 12,50lbs / 5,67kg shells, 200 per gun
     Anti-air guns in deck mounts, 1925 Model
     2 x Single mounts on centreline, aft evenly spread
      2 raised mounts
      4 - 1,85" / 47,0 mm 50,0 cal guns - 3,00lbs / 1,36kg shells, 1 000 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on sides, aft evenly spread
      4 raised mounts
      2 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 2 000 per gun
     Machine guns in deck mounts, 1925 Model
     2 x Single mounts on sides, forward deck forward
      Weight of broadside 693 lbs / 314 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   1,18" / 30 mm   377,30 ft / 115,00 m   8,53 ft / 2,60 m
   Ends:   Unarmoured
     Main Belt covers 128 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   1,18" / 30 mm   0,79" / 20 mm      0,79" / 20 mm
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

   - Armoured deck - single deck:
   For and Aft decks: 1,18" / 30 mm
   Forecastle: 0,79" / 20 mm  Quarter deck: 0,79" / 20 mm

   - Conning towers: Forward 1,97" / 50 mm, Aft 0,00" / 0 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 36 080 shp / 26 916 Kw = 30,00 kts
   Range 8 000nm at 12,00 kts
   Bunker at max displacement = 639 tons

Complement:
   226 - 295

Cost:
   £1,125 million / $4,500 million

Distribution of weights at normal displacement:
   Armament: 219 tons, 6,3 %
      - Guns: 219 tons, 6,3 %
   Armour: 454 tons, 13,0 %
      - Belts: 149 tons, 4,3 %
      - Armament: 36 tons, 1,0 %
      - Armour Deck: 260 tons, 7,4 %
      - Conning Tower: 10 tons, 0,3 %
   Machinery: 1 156 tons, 33,0 %
   Hull, fittings & equipment: 1 040 tons, 29,7 %
   Fuel, ammunition & stores: 500 tons, 14,3 %
   Miscellaneous weights: 130 tons, 3,7 %
      - Hull below water: 15 tons
      - On freeboard deck: 68 tons
      - Above deck: 47 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     1 946 lbs / 883 Kg = 23,2 x 5,5 " / 140 mm shells or 0,7 torpedoes
   Stability (Unstable if below 1.00): 1,08
   Metacentric height 1,8 ft / 0,5 m
   Roll period: 14,3 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,49
   Seaboat quality  (Average = 1.00): 1,03

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,400 / 0,411
   Length to Beam Ratio: 10,00 : 1
   'Natural speed' for length: 21,28 kts
   Power going to wave formation at top speed: 55 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 6,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  18,37 ft / 5,60 m,  15,09 ft / 4,60 m
      - Forward deck:   32,50 %,  15,09 ft / 4,60 m,  12,47 ft / 3,80 m
      - Aft deck:   32,50 %,  12,47 ft / 3,80 m,  12,47 ft / 3,80 m
      - Quarter deck:   17,50 %,  12,47 ft / 3,80 m,  13,78 ft / 4,20 m
      - Average freeboard:      13,70 ft / 4,18 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 128,1 %
      - Above water (accommodation/working, high = better): 139,6 %
   Waterplane Area: 12 618 Square feet or 1 172 Square metres
   Displacement factor (Displacement / loading): 96 %
   Structure weight / hull surface area: 59 lbs/sq ft or 286 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,72
      - Longitudinal: 1,03
      - Overall: 0,75
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

22t for 1918 top mast rangefinder (18000m)
25t for LR Marconi
15t for additionnal engines ventillation
15t for enhanced  hydrophone
5t for 50 DC
32t for 2x4TTx533HW
16t reserved...


Title: Re: Byzantine Empire 1925...
Post by: Jefgte on January 27, 2023, 03:32:33 AM
Same cruiser without armor but 32kts, a thin clad cruiser.

Light Scout Cruiser, Byzantine Empire 3000t-4T2x140-32kts laid down 1925

Displacement:
   3 000 t light; 3 146 t standard; 3 552 t normal; 3 877 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (487,60 ft / 485,56 ft) x 45,28 ft x (14,14 / 14,98 ft)
   (148,62 m / 148,00 m) x 13,80 m  x (4,31 / 4,57 m)

Armament:
      8 - 5,51" / 140 mm 50,0 cal guns - 81,99lbs / 37,19kg shells, 180 per gun
     Quick firing guns in deck and hoist mounts, 1925 Model
     4 x 2-gun mounts on centreline ends, evenly spread
      1 raised mount - superfiring
      2 - 3,00" / 76,2 mm 45,0 cal guns - 12,50lbs / 5,67kg shells, 200 per gun
     Anti-air guns in deck mounts, 1925 Model
     2 x Single mounts on centreline, aft evenly spread
      2 raised mounts
      4 - 1,85" / 47,0 mm 50,0 cal guns - 3,00lbs / 1,36kg shells, 1 000 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on sides, aft evenly spread
      4 raised mounts
      2 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 2 000 per gun
     Machine guns in deck mounts, 1925 Model
     2 x Single mounts on sides, forward deck forward
      Weight of broadside 693 lbs / 314 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   1,18" / 30 mm   0,79" / 20 mm      0,79" / 20 mm
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 45 600 shp / 34 017 Kw = 32,03 kts
   Range 9 000nm at 12,00 kts
   Bunker at max displacement = 731 tons

Complement:
   229 - 299

Cost:
   £1,257 million / $5,030 million

Distribution of weights at normal displacement:
   Armament: 219 tons, 6,2 %
      - Guns: 219 tons, 6,2 %
   Armour: 36 tons, 1,0 %
      - Armament: 36 tons, 1,0 %
   Machinery: 1 445 tons, 40,7 %
   Hull, fittings & equipment: 1 164 tons, 32,8 %
   Fuel, ammunition & stores: 552 tons, 15,5 %
   Miscellaneous weights: 136 tons, 3,8 %
      - Hull below water: 15 tons
      - On freeboard deck: 74 tons
      - Above deck: 47 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     1 534 lbs / 696 Kg = 18,3 x 5,5 " / 140 mm shells or 0,5 torpedoes
   Stability (Unstable if below 1.00): 1,10
   Metacentric height 1,8 ft / 0,6 m
   Roll period: 14,1 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,52
   Seaboat quality  (Average = 1.00): 1,03

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,400 / 0,412
   Length to Beam Ratio: 10,72 : 1
   'Natural speed' for length: 22,04 kts
   Power going to wave formation at top speed: 56 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 6,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  19,36 ft / 5,90 m,  16,08 ft / 4,90 m
      - Forward deck:   32,50 %,  16,08 ft / 4,90 m,  13,78 ft / 4,20 m
      - Aft deck:   32,50 %,  13,78 ft / 4,20 m,  13,78 ft / 4,20 m
      - Quarter deck:   17,50 %,  13,78 ft / 4,20 m,  14,44 ft / 4,40 m
      - Average freeboard:      14,84 ft / 4,52 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 152,2 %
      - Above water (accommodation/working, high = better): 161,6 %
   Waterplane Area: 13 533 Square feet or 1 257 Square metres
   Displacement factor (Displacement / loading): 92 %
   Structure weight / hull surface area: 60 lbs/sq ft or 292 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,72
      - Longitudinal: 0,98
      - Overall: 0,75
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

22t for 1918 top mast rangefinder (18000m)
25t for LR Marconi
15t for additionnal engines ventillation
15t for enhanced  hydrophone
5t for 50 DC
32t for 2x4TTx533HW
22t reserved...



Title: Re: Byzantine Empire 1925...
Post by: TacCovert4 on January 27, 2023, 08:54:13 AM
I think you need at least a magazine box.  But outside that, I'd go with maximum firepower.   Something this small isn't gonna survive a long engagement,  you have to win quickly.

Title: Re: Byzantine Empire 1925...
Post by: The Rock Doctor on January 27, 2023, 06:06:07 PM
That or some basic flotilla command facilities.

Either could come at the expense of the hydrophones and depth charges, which I don't think are the most useful fitting on a ship this large.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on January 28, 2023, 01:09:33 AM
In fact, with 3000 t & A 0.75, one cannot build a balanced cruiser. Too weak, too little protection. A 5 minute cruiser.
Title: Re: Byzantine Empire 1925...
Post by: TacCovert4 on January 28, 2023, 06:19:55 PM
I agree fully.  I built 5 of them, the River-class.  But they only have magazine boxes of 40mm, they're not cruisers to stand up and fight someone, they're colonial station ships that have enough power to require an opponent to send a more serious cruiser out there against them, because they'll mop the floor with 1-3 DDs
Title: Re: Byzantine Empire 1925...
Post by: Kaiser Kirk on February 01, 2023, 12:26:57 PM
I had the same issues.
The first of my Artesmia IIs are completed, and I really don't like the tradeoffs needed for 0.75 at 3000 either.
I'll finish the first division of 4 and then switch to something else for the role. Either slower and better armored,
or bigger.

ed: only managed a 35mm magazine box on the Artesmias, 12 x 130mm, only 31knots- not quite as fast. .
Title: Re: Byzantine Empire 1925...
Post by: TacCovert4 on February 02, 2023, 10:02:25 PM
I've generally given up on 32kt cruisers.   28 to 30 has proven more than adequate. 
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on February 06, 2023, 04:32:50 PM
I have 2 projects for 1925 - 3000t:
- A Colonial Armored Gunboat with 3T2x191 - 27kts - box 60mm
- A light squadron cruiser with 3T2x152 - 29kts - box 45mm
Which one to choose ? ...

AGB3000, Byzantine Empire Colonial Armored Gun Boat laid down 1925

Displacement:
   3 000 t light; 3 208 t standard; 3 563 t normal; 3 848 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (428,12 ft / 426,51 ft) x 44,88 ft x (13,46 / 14,25 ft)
   (130,49 m / 130,00 m) x 13,68 m  x (4,10 / 4,34 m)

Armament:
      6 - 7,50" / 191 mm 45,0 cal guns - 200,00lbs / 90,72kg shells, 170 per gun
     Breech loading guns in deck and hoist mounts, 1925 Model
     3 x Twin mounts on centreline ends, majority aft
      4 - 4,02" / 102 mm 45,0 cal guns - 33,00lbs / 14,97kg shells, 200 per gun
     Breech loading guns in deck and hoist mounts, 1925 Model
     4 x Single mounts on sides, forward evenly spread
      1 - 3,00" / 76,2 mm 45,0 cal gun - 12,50lbs / 5,67kg shells, 300 per gun
     Anti-air gun in deck mount, 1925 Model
     1 x Single mount on centreline, forward deck aft
      1 raised mount
      4 - 1,85" / 47,0 mm 45,0 cal guns - 3,00lbs / 1,36kg shells, 1 000 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on sides, forward evenly spread
      4 raised mounts
      4 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 4 000 per gun
     Machine guns in deck mounts, 1925 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      Weight of broadside 1 357 lbs / 615 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   2,76" / 70 mm   1,18" / 30 mm      1,18" / 30 mm
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -
   5th:   0,39" / 10 mm         -               -

   - Box over machinery & magazines:
   2,36" / 60 mm

   - Conning towers: Forward 3,94" / 100 mm, Aft 0,00" / 0 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 26 000 shp / 19 396 Kw = 27,07 kts
   Range 8 000nm at 12,00 kts
   Bunker at max displacement = 640 tons

Complement:
   229 - 299

Cost:
   £1,163 million / $4,654 million

Distribution of weights at normal displacement:
   Armament: 310 tons, 8,7 %
      - Guns: 310 tons, 8,7 %
   Armour: 682 tons, 19,1 %
      - Armament: 52 tons, 1,5 %
      - Armour Deck: 610 tons, 17,1 %
      - Conning Tower: 20 tons, 0,6 %
   Machinery: 832 tons, 23,3 %
   Hull, fittings & equipment: 1 074 tons, 30,1 %
   Fuel, ammunition & stores: 564 tons, 15,8 %
   Miscellaneous weights: 102 tons, 2,9 %
      - Hull above water: 10 tons
      - On freeboard deck: 36 tons
      - Above deck: 56 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     2 522 lbs / 1 144 Kg = 12,0 x 7,5 " / 191 mm shells or 0,8 torpedoes
   Stability (Unstable if below 1.00): 1,05
   Metacentric height 1,7 ft / 0,5 m
   Roll period: 14,7 seconds
   Steadiness   - As gun platform (Average = 50 %): 72 %
         - Recoil effect (Restricted arc if above 1.00): 0,89
   Seaboat quality  (Average = 1.00): 1,04

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,484 / 0,494
   Length to Beam Ratio: 9,50 : 1
   'Natural speed' for length: 20,65 kts
   Power going to wave formation at top speed: 55 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 5,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  18,37 ft / 5,60 m,  15,09 ft / 4,60 m
      - Forward deck:   33,00 %,  15,09 ft / 4,60 m,  12,47 ft / 3,80 m
      - Aft deck:   33,00 %,  12,47 ft / 3,80 m,  11,81 ft / 3,60 m
      - Quarter deck:   16,00 %,  11,81 ft / 3,60 m,  12,47 ft / 3,80 m
      - Average freeboard:      13,45 ft / 4,10 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 111,5 %
      - Above water (accommodation/working, high = better): 135,5 %
   Waterplane Area: 12 572 Square feet or 1 168 Square metres
   Displacement factor (Displacement / loading): 95 %
   Structure weight / hull surface area: 64 lbs/sq ft or 311 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,72
      - Longitudinal: 1,03
      - Overall: 0,75
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

31t for top mast rangefinder 1924
25t for long range Marconi
16t for 1x4TTx533HW
10t for climatisation
18t reserved for new material, armament...

----------------------------

K class, Byzantine Empire C10 laid down 1925

Displacement:
   3 000 t light; 3 154 t standard; 3 529 t normal; 3 829 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (433,07 ft / 433,07 ft) x 43,31 ft x (13,89 / 14,75 ft)
   (132,00 m / 132,00 m) x 13,20 m  x (4,24 / 4,50 m)

Armament:
      6 - 5,98" / 152 mm 45,0 cal guns - 100,00lbs / 45,36kg shells, 190 per gun
     Breech loading guns in deck and hoist mounts, 1925 Model
     3 x 2-gun mounts on centreline ends, majority aft
      4 - 4,02" / 102 mm 45,0 cal guns - 33,00lbs / 14,97kg shells, 220 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on sides, forward evenly spread
      4 - 1,85" / 47,0 mm 45,0 cal guns - 3,20lbs / 1,45kg shells, 500 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on sides, forward evenly spread
      4 raised mounts
      4 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 4 000 per gun
     Machine guns in deck mounts, 1925 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      Weight of broadside 745 lbs / 338 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   1,77" / 45 mm   0,79" / 20 mm      0,79" / 20 mm
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -
   5th:   0,39" / 10 mm         -               -

   - Box over machinery & magazines:
   1,77" / 45 mm

   - Conning towers: Forward 2,76" / 70 mm, Aft 1,18" / 30 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 4 shafts, 33 490 shp / 24 983 Kw = 29,00 kts
   Range 8 500nm at 12,00 kts
   Bunker at max displacement = 675 tons

Complement:
   228 - 297

Cost:
   £1,064 million / $4,255 million

Distribution of weights at normal displacement:
   Armament: 199 tons, 5,6 %
      - Guns: 199 tons, 5,6 %
   Armour: 629 tons, 17,8 %
      - Armament: 37 tons, 1,0 %
      - Armour Deck: 572 tons, 16,2 %
      - Conning Towers: 20 tons, 0,6 %
   Machinery: 1 083 tons, 30,7 %
   Hull, fittings & equipment: 966 tons, 27,4 %
   Fuel, ammunition & stores: 529 tons, 15,0 %
   Miscellaneous weights: 124 tons, 3,5 %
      - Hull below water: 15 tons
      - Hull above water: 15 tons
      - On freeboard deck: 49 tons
      - Above deck: 45 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     2 289 lbs / 1 038 Kg = 21,4 x 6,0 " / 152 mm shells or 0,7 torpedoes
   Stability (Unstable if below 1.00): 1,09
   Metacentric height 1,7 ft / 0,5 m
   Roll period: 14,0 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,51
   Seaboat quality  (Average = 1.00): 1,02

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,474 / 0,484
   Length to Beam Ratio: 10,00 : 1
   'Natural speed' for length: 20,81 kts
   Power going to wave formation at top speed: 57 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  19,70 ft / 6,01 m,  16,42 ft / 5,01 m
      - Forward deck:   33,00 %,  16,42 ft / 5,01 m,  13,14 ft / 4,01 m
      - Aft deck:   33,00 %,  13,14 ft / 4,01 m,  12,14 ft / 3,70 m
      - Quarter deck:   16,50 %,  12,14 ft / 3,70 m,  12,80 ft / 3,90 m
      - Average freeboard:      14,21 ft / 4,33 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 119,2 %
      - Above water (accommodation/working, high = better): 139,8 %
   Waterplane Area: 12 209 Square feet or 1 134 Square metres
   Displacement factor (Displacement / loading): 99 %
   Structure weight / hull surface area: 56 lbs/sq ft or 272 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,72
      - Longitudinal: 1,03
      - Overall: 0,75
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

25t for Long Range Marconi
15t for top mast rangefinder - FC1924
15t for climatisation
15t for additionnal pumps
16t for 4TTx21" HW
33t reserved for new materials, armaments or 32 minen
Title: Re: Byzantine Empire 1925...
Post by: The Rock Doctor on February 06, 2023, 04:55:17 PM
Is the box a slab above the mags/machinery, or do we also understand it to be bulkheads and belts around the mags/machinery?  I've never really been clear on this.
Title: Re: Byzantine Empire 1925...
Post by: Kaiser Kirk on February 07, 2023, 04:17:21 PM
Quote from: The Rock Doctor on February 06, 2023, 04:55:17 PM
Is the box a slab above the mags/machinery, or do we also understand it to be bulkheads and belts around the mags/machinery?  I've never really been clear on this.

From my tinkering, it's boxed bulkheads about 3.5m high capped by an armored roof.
Title: Re: Byzantine Empire 1925...
Post by: The Rock Doctor on February 08, 2023, 12:52:01 PM
I'm not sure the box protection scheme is necessarily a strongpoint given that both ships have 111% of underwater volume used.  Does it really save compared to conventional deck/belt schemes?

Both designs really push the limits of speed, protection and armament.  The aft battery is a definite compromise.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on February 08, 2023, 04:38:55 PM
More traditional SS with 2T2x191+1x191
B60-D40
Recoil reduced to 0.7 so as not to stress the hull too much.

AGB3000, Byzantine Empire Colonial Armored Gun Boat laid down 1925

Displacement:
   3 000 t light; 3 189 t standard; 3 542 t normal; 3 824 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (409,28 ft / 406,82 ft) x 45,93 ft x (13,43 / 14,23 ft)
   (124,75 m / 124,00 m) x 14,00 m  x (4,09 / 4,34 m)

Armament:
      4 - 7,50" / 191 mm 45,0 cal guns - 200,00lbs / 90,72kg shells, 170 per gun
     Breech loading guns in deck and hoist mounts, 1925 Model
     2 x 2-gun mounts on centreline ends, evenly spread
      1 - 7,50" / 191 mm 45,0 cal gun - 200,00lbs / 90,72kg shells, 170 per gun
     Breech loading gun in deck and hoist mount, 1925 Model
     1 x Single mount on centreline, aft deck centre
      4 - 4,02" / 102 mm 45,0 cal guns - 33,00lbs / 14,97kg shells, 200 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on sides, forward evenly spread
      1 - 3,00" / 76,2 mm 45,0 cal gun - 12,50lbs / 5,67kg shells, 300 per gun
     Anti-air gun in deck mount, 1925 Model
     1 x Single mount on centreline, forward deck aft
      1 raised mount
      4 - 1,85" / 47,0 mm 45,0 cal guns - 3,19lbs / 1,45kg shells, 1 000 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on sides, forward evenly spread
      4 raised mounts
      Weight of broadside 1 157 lbs / 525 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   2,36" / 60 mm   288,71 ft / 88,00 m   9,19 ft / 2,80 m
   Ends:   0,98" / 25 mm   118,11 ft / 36,00 m   7,87 ft / 2,40 m
     Main Belt covers 109 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   2,76" / 70 mm   1,18" / 30 mm      1,18" / 30 mm
   2nd:   2,76" / 70 mm   1,18" / 30 mm      1,18" / 30 mm
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -
   5th:   0,39" / 10 mm         -               -

   - Armoured deck - single deck:
   For and Aft decks: 1,57" / 40 mm
   Forecastle: 0,98" / 25 mm  Quarter deck: 0,98" / 25 mm

   - Conning towers: Forward 3,94" / 100 mm, Aft 0,00" / 0 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 26 540 shp / 19 799 Kw = 27,00 kts
   Range 8 000nm at 12,00 kts
   Bunker at max displacement = 635 tons

Complement:
   229 - 298

Cost:
   £1,090 million / $4,360 million

Distribution of weights at normal displacement:
   Armament: 307 tons, 8,7 %
      - Guns: 307 tons, 8,7 %
   Armour: 700 tons, 19,8 %
      - Belts: 290 tons, 8,2 %
      - Armament: 51 tons, 1,4 %
      - Armour Deck: 339 tons, 9,6 %
      - Conning Tower: 20 tons, 0,6 %
   Machinery: 860 tons, 24,3 %
   Hull, fittings & equipment: 1 021 tons, 28,8 %
   Fuel, ammunition & stores: 542 tons, 15,3 %
   Miscellaneous weights: 112 tons, 3,2 %
      - Hull above water: 10 tons
      - On freeboard deck: 46 tons
      - Above deck: 56 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     2 788 lbs / 1 265 Kg = 13,2 x 7,5 " / 191 mm shells or 0,9 torpedoes
   Stability (Unstable if below 1.00): 1,07
   Metacentric height 1,8 ft / 0,5 m
   Roll period: 14,4 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,70
   Seaboat quality  (Average = 1.00): 1,02

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,494 / 0,503
   Length to Beam Ratio: 8,86 : 1
   'Natural speed' for length: 20,17 kts
   Power going to wave formation at top speed: 57 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 7,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  20,01 ft / 6,10 m,  16,57 ft / 5,05 m
      - Forward deck:   33,00 %,  16,57 ft / 5,05 m,  13,12 ft / 4,00 m
      - Aft deck:   33,00 %,  13,12 ft / 4,00 m,  12,47 ft / 3,80 m
      - Quarter deck:   16,00 %,  12,47 ft / 3,80 m,  13,12 ft / 4,00 m
      - Average freeboard:      14,40 ft / 4,39 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 108,1 %
      - Above water (accommodation/working, high = better): 142,3 %
   Waterplane Area: 12 383 Square feet or 1 150 Square metres
   Displacement factor (Displacement / loading): 99 %
   Structure weight / hull surface area: 63 lbs/sq ft or 308 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,71
      - Longitudinal: 1,19
      - Overall: 0,75
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

31t for top mast rangefinder
25t for long range Marconi
16t for 1x4TTx533HW
10t for climatisation
20t reserved for new material, armament...


Title: Re: Byzantine Empire 1925...
Post by: Kaiser Kirk on February 08, 2023, 07:16:12 PM
So waaaay back when, Snip encouraged me to write the design best practices part of the Ship Design thread.
They are not hard and fast rules, rather things to consider.
Their source is not the best...my various readings... things like comments in Navweaps about when crews complained about rate of turn, or things read in some book somewhere.
They should be somewhat close to reality, but they are not firm can/can't.

All that means that it would be fair for someone overseeing a battle to penalize their performance if they were outside the bounds,
and that person thought the best practices reasonable.

The Two-Gun 191L45 M&H , with a 70mm face and 30mm gunhouse would have a rotating weight of 92 tons.
The shell weight is 97.26kg
There is no power assist tonnage.



Practical Notes on Turrets vs. Mounts.
As a practical matter, mounts from the 1905 artillery tech are designed with gearing to allow guns <255 (10") to be kept on target and best able to use fire control.

As a practical matter, a mount over 45tons rotating weight will be slower to train, power assist or a turret may be recommended. This may be a Twin 152mm/53, or a Single 19cm/45.   At weights over 70t, rate of train will be slow and turrets are strongly recommended.

As a practical matter, shells between 60 and 95kg are heavy and the ROF will slowly decrease as the crew gets tired.  Power assist will delay this. Hoists are highly recommended.

Shells over 90kg are difficult to handle and are slow to handload. Power hoists and ramming with a turret is recommended.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on February 09, 2023, 12:07:17 AM
http://www.navweaps.com/Weapons/WNBR_75-45_mk6.php
Title: Re: Byzantine Empire 1925...
Post by: Kaiser Kirk on February 09, 2023, 08:24:04 PM
The historical Hawkins single mounts are described in that article "This gun and its projectiles were rather heavy for use in a simple, open mount and proved somewhat cumbersome in service."
The article also lists the weight of the single mounting as just over 45tons.

In the case of the ship you posted, you have twin mounts with a substantial amount of armor.
As a result the weight is a great deal more than the single mounts.

If you read further on the Hawkins class I believe you will find that initially they did not have power assist in train and ramming, but that was added later.

Guns and shells these size appear to have been near the upper end of simple muscle powered. . The French 194mm are about the same, the A-H 190mm... this seems to have been
around that upper limit.

And in this design you're proposing putting them in an armored twin mount with no power assist, which you can.


Edit :  The gun and mount can certainly be fitted. The gun is powerful and long ranged, and at long ranges the rate of train and fire matter less. So the tradeoffs in performance may be acceptable.
But it is reasonable to assume there would be performance tradeoffs in this arrangement.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on February 10, 2023, 01:15:04 AM
For the 3000t, I don't think to use the 191 but the 152 or the 140.
The 152/45 is a bit heavy - 45kg but 19000m range.
The 140/50 is the maximum weight that can be handled with arms - 37.2kg - 16000m range.
The 140's rate of fire is higher than the 152 and more suitable vs light ships.
Title: Re: Byzantine Empire 1925...
Post by: Kaiser Kirk on February 10, 2023, 11:59:11 AM
Your 3000tonners are making me think I should revisit the Sayyida design, but a big portion of the savings is the lower speed,
and I want my 'frigates' to be faster than the normal cruisers, not slower.

Unfortunately, speed is easier with great length, but that demands a wider beam, and higher freeboard.
All of which are difficult.

I agree that 140-150mm would be better, I just don't have those guns.
I have the slightly too light 130mm, and could do 8x130, and the slightly too heavy 165mm where I can do 4x 165mm.
Parthia was meant to have a 15mm : 90/105/120/135/150/165/180 progression, then I think 25mm : 205/230/255
but the research time & cost meant the 105, 150, 205 got dropped.
Not sure why I have 130 not 135. I  think twin 130s fit in single 165 spots or something like that.
Title: Re: Byzantine Empire 1925...
Post by: The Rock Doctor on February 10, 2023, 12:16:40 PM
Somebody shaved off the other 5mm and diverted it to an offshore bank account.
Title: Re: Byzantine Empire 1925...
Post by: Kaiser Kirk on February 10, 2023, 04:07:13 PM
Actually I think it got deducted from the 135mm program and added to the 365mm program,
as the latter was originally to be 360mm (345+15).

Scandal Rocks Parthian Navy - Misallocation of millimeters !

Title: Re: Byzantine Empire 1925...
Post by: Jefgte on February 10, 2023, 04:21:11 PM
I want the 3000t to be at least equal in guns to 2 x 1500t DDs
I choose 29kts because this is the speed of Byzantine Fleet Cruiser (27kts is the speed of Colonial Cruisers).

I re SS 3T2x152
No box but B50-D40-T45 + 2x76.2AA.

K class, Byzantine Empire C10 laid down 1925

Displacement:
   3 000 t light; 3 157 t standard; 3 532 t normal; 3 833 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (433,07 ft / 433,07 ft) x 43,31 ft x (13,91 / 14,77 ft)
   (132,00 m / 132,00 m) x 13,20 m  x (4,24 / 4,50 m)

Armament:
      6 - 5,98" / 152 mm 45,0 cal guns - 100,00lbs / 45,36kg shells, 190 per gun
     Breech loading guns in deck and hoist mounts, 1925 Model
     3 x 2-gun mounts on centreline ends, majority aft
      4 - 4,02" / 102 mm 45,0 cal guns - 32,66lbs / 14,81kg shells, 220 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on sides, forward evenly spread
      2 - 3,00" / 76,2 mm 45,0 cal guns - 12,50lbs / 5,67kg shells, 230 per gun
     Anti-air guns in deck mounts, 1925 Model
     2 x Single mounts on sides, forward deck aft
      2 raised mounts
      4 - 1,85" / 47,0 mm 45,0 cal guns - 3,20lbs / 1,45kg shells, 500 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on sides, forward evenly spread
      4 raised mounts
      4 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 4 000 per gun
     Machine guns in deck mounts, 1925 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      Weight of broadside 769 lbs / 349 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   1,97" / 50 mm   337,93 ft / 103,00 m   9,19 ft / 2,80 m
   Ends:   Unarmoured
     Main Belt covers 120 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   1,77" / 45 mm   0,79" / 20 mm      0,79" / 20 mm
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -
   5th:   0,39" / 10 mm         -               -

   - Armoured deck - single deck:
   For and Aft decks: 1,57" / 40 mm
   Forecastle: 0,98" / 25 mm  Quarter deck: 0,98" / 25 mm

   - Conning towers: Forward 2,76" / 70 mm, Aft 1,18" / 30 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 33 500 shp / 24 991 Kw = 29,00 kts
   Range 8 500nm at 12,00 kts
   Bunker at max displacement = 675 tons

Complement:
   228 - 297

Cost:
   £1,068 million / $4,273 million

Distribution of weights at normal displacement:
   Armament: 204 tons, 5,8 %
      - Guns: 204 tons, 5,8 %
   Armour: 634 tons, 18,0 %
      - Belts: 243 tons, 6,9 %
      - Armament: 37 tons, 1,1 %
      - Armour Deck: 334 tons, 9,5 %
      - Conning Towers: 20 tons, 0,6 %
   Machinery: 1 083 tons, 30,7 %
   Hull, fittings & equipment: 966 tons, 27,4 %
   Fuel, ammunition & stores: 532 tons, 15,1 %
   Miscellaneous weights: 113 tons, 3,2 %
      - Hull below water: 15 tons
      - Hull above water: 15 tons
      - On freeboard deck: 40 tons
      - Above deck: 43 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     2 283 lbs / 1 036 Kg = 21,3 x 6,0 " / 152 mm shells or 0,7 torpedoes
   Stability (Unstable if below 1.00): 1,10
   Metacentric height 1,7 ft / 0,5 m
   Roll period: 14,0 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,53
   Seaboat quality  (Average = 1.00): 1,02

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,474 / 0,484
   Length to Beam Ratio: 10,00 : 1
   'Natural speed' for length: 20,81 kts
   Power going to wave formation at top speed: 57 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  19,85 ft / 6,05 m,  16,57 ft / 5,05 m
      - Forward deck:   33,00 %,  16,57 ft / 5,05 m,  13,29 ft / 4,05 m
      - Aft deck:   33,00 %,  13,29 ft / 4,05 m,  12,16 ft / 3,71 m
      - Quarter deck:   16,50 %,  12,16 ft / 3,71 m,  12,81 ft / 3,91 m
      - Average freeboard:      14,31 ft / 4,36 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 119,5 %
      - Above water (accommodation/working, high = better): 141,0 %
   Waterplane Area: 12 209 Square feet or 1 134 Square metres
   Displacement factor (Displacement / loading): 98 %
   Structure weight / hull surface area: 56 lbs/sq ft or 272 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,72
      - Longitudinal: 1,04
      - Overall: 0,75
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

25t for Long Range Marconi
18t for top mast rangefinder - FC1924
15t for climatisation
15t for additionnal pumps
16t for 4TTx21" HW
24t reserved for new materials, armaments or 24 minen
----------------------
Other possibility with 4T2x140
A kind of 29kts Mogador     ;)

3000t Super Destroyer, Byzantine Empire-4T2x140-29kts laid down 1925

Displacement:
   3 000 t light; 3 145 t standard; 3 500 t normal; 3 784 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (454,56 ft / 452,76 ft) x 45,28 ft x (14,94 / 15,73 ft)
   (138,55 m / 138,00 m) x 13,80 m  x (4,55 / 4,79 m)

Armament:
      8 - 5,51" / 140 mm 50,0 cal guns - 81,99lbs / 37,19kg shells, 180 per gun
     Quick firing guns in deck and hoist mounts, 1925 Model
     4 x 2-gun mounts on centreline ends, evenly spread
      2 raised mounts - superfiring
      2 - 3,00" / 76,2 mm 45,0 cal guns - 12,50lbs / 5,67kg shells, 200 per gun
     Anti-air guns in deck mounts, 1925 Model
     2 x Single mounts on centreline, forward deck aft
      2 raised mounts
      4 - 1,85" / 47,0 mm 50,0 cal guns - 3,00lbs / 1,36kg shells, 1 000 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on sides, forward evenly spread
      4 raised mounts
      2 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 2 000 per gun
     Machine guns in deck mounts, 1925 Model
     2 x Single mounts on sides, forward deck forward
      Weight of broadside 693 lbs / 314 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   1,77" / 45 mm   344,49 ft / 105,00 m   9,19 ft / 2,80 m
   Ends:   Unarmoured
     Main Belt covers 117 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   1,18" / 30 mm   0,79" / 20 mm      0,79" / 20 mm
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

   - Armoured deck - single deck:
   For and Aft decks: 1,57" / 40 mm
   Forecastle: 0,79" / 20 mm  Quarter deck: 0,79" / 20 mm

   - Conning towers: Forward 1,57" / 40 mm, Aft 0,00" / 0 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 31 500 shp / 23 499 Kw = 29,00 kts
   Range 8 000nm at 12,00 kts
   Bunker at max displacement = 639 tons

Complement:
   226 - 295

Cost:
   £1,063 million / $4,253 million

Distribution of weights at normal displacement:
   Armament: 219 tons, 6,3 %
      - Guns: 219 tons, 6,3 %
   Armour: 602 tons, 17,2 %
      - Belts: 223 tons, 6,4 %
      - Armament: 36 tons, 1,0 %
      - Armour Deck: 335 tons, 9,6 %
      - Conning Tower: 8 tons, 0,2 %
   Machinery: 1 021 tons, 29,2 %
   Hull, fittings & equipment: 1 017 tons, 29,0 %
   Fuel, ammunition & stores: 500 tons, 14,3 %
   Miscellaneous weights: 141 tons, 4,0 %
      - Hull below water: 15 tons
      - Hull above water: 15 tons
      - On freeboard deck: 64 tons
      - Above deck: 47 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     2 210 lbs / 1 003 Kg = 26,4 x 5,5 " / 140 mm shells or 0,8 torpedoes
   Stability (Unstable if below 1.00): 1,06
   Metacentric height 1,7 ft / 0,5 m
   Roll period: 14,6 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,51
   Seaboat quality  (Average = 1.00): 1,02

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,400 / 0,411
   Length to Beam Ratio: 10,00 : 1
   'Natural speed' for length: 21,28 kts
   Power going to wave formation at top speed: 53 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 6,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,50 %,  17,16 ft / 5,23 m,  13,88 ft / 4,23 m
      - Forward deck:   32,50 %,  13,88 ft / 4,23 m,  11,25 ft / 3,43 m
      - Aft deck:   32,50 %,  11,25 ft / 3,43 m,  11,25 ft / 3,43 m
      - Quarter deck:   16,50 %,  11,25 ft / 3,43 m,  12,57 ft / 3,83 m
      - Average freeboard:      12,52 ft / 3,82 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 116,2 %
      - Above water (accommodation/working, high = better): 126,7 %
   Waterplane Area: 12 618 Square feet or 1 172 Square metres
   Displacement factor (Displacement / loading): 99 %
   Structure weight / hull surface area: 59 lbs/sq ft or 287 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,73
      - Longitudinal: 0,92
      - Overall: 0,75
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

22t for 1918 top mast rangefinder (18000m)
25t for LR Marconi
15t for climatisation
15t for additionnal pumps
15t for enhanced  hydrophone
5t for 50 DC
24t for 2x3TTx533HW
20t reserved for new material, armament or 20 minen...
Title: Re: Byzantine Empire 1925...
Post by: Kaiser Kirk on February 10, 2023, 07:46:21 PM
The ship is impressive, enough so I wanted to duplicate the hull and then use it for a Sayyidda comparison so I could make a better ship.

In the process, I noticed a flaw -
your Belt length is manually adjusted to 103m/120% normal,
which is 78.03% of hull length.

But your % WL L on the freeboard tab is 17.5% bow and 16.5% stern
with the two amidships areas totaling 66% of the hull length.

That means your 40mm deck only covers 66% of the hull length,
and 12% of your length you have the belt capped by the 25mm end decks.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on February 11, 2023, 10:06:32 AM
It does not matter, I return to the first version with Box 45mm.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on February 14, 2023, 04:24:11 PM
Possible refurbishment for Vilnius Union Battleships purchased in 1924H2

Similar refurbishment as Drasty & Niebez with speed update to 23kts

Uparty - Nieustra, Byzantine Empire Colonial BB laid down 1899 (Engine 1925)

Displacement:
   13 520 t light; 14 199 t standard; 15 033 t normal; 15 699 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (426,51 ft / 426,51 ft) x 78,74 ft x (24,10 / 25,01 ft)
   (130,00 m / 130,00 m) x 24,00 m  x (7,35 / 7,62 m)

Armament:
      4 - 10,00" / 254 mm 45,0 cal guns - 500,01lbs / 226,80kg shells, 105 per gun
     Breech loading guns in turret on barbette mounts, 1925 Model
     2 x Twin mounts on centreline ends, evenly spread
      4 - 10,00" / 254 mm 45,0 cal guns - 500,01lbs / 226,80kg shells, 105 per gun
     Breech loading guns in turret on barbette mounts, 1925 Model
     4 x Single mounts on sides, evenly spread
      12 - 5,98" / 152 mm 45,0 cal guns - 100,00lbs / 45,36kg shells, 175 per gun
     Quick firing guns in deck and hoist mounts, 1925 Model
     12 x Single mounts on sides, evenly spread
      12 - 3,00" / 76,2 mm 45,0 cal guns - 12,50lbs / 5,67kg shells, 160 per gun
     Anti-air guns in deck mounts, 1925 Model
     12 x Single mounts on sides, evenly spread
      4 raised mounts
      4 - 1,85" / 47,0 mm 50,0 cal guns - 3,35lbs / 1,52kg shells, 2 000 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      Weight of broadside 5 364 lbs / 2 433 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   11,8" / 300 mm   277,23 ft / 84,50 m   11,81 ft / 3,60 m
   Ends:   3,94" / 100 mm   149,25 ft / 45,49 m   11,81 ft / 3,60 m
   Upper:   5,91" / 150 mm   277,23 ft / 84,50 m   11,81 ft / 3,60 m
     Main Belt covers 100 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   11,8" / 300 mm   7,87" / 200 mm      11,0" / 280 mm
   2nd:   9,06" / 230 mm   1,97" / 50 mm      7,87" / 200 mm
   3rd:   1,97" / 50 mm   0,79" / 20 mm      3,94" / 100 mm
   4th:   0,79" / 20 mm   0,39" / 10 mm            -
   5th:   0,50" / 13 mm         -               -

   - Armoured deck - single deck:
   For and Aft decks: 2,36" / 60 mm
   Forecastle: 1,18" / 30 mm  Quarter deck: 1,18" / 30 mm

   - Conning towers: Forward 11,81" / 300 mm, Aft 7,87" / 200 mm

Machinery:
   Coal and oil fired boilers, reciprocating cruising steam engines and steam turbines
   Electric motors, 2 shafts, 38 000 ihp / 28 348 Kw = 22,95 kts
   Range 8 500nm at 10,00 kts
   Bunker at max displacement = 1 500 tons (20% coal)

Complement:
   678 - 882

Cost:
   £1,207 million / $4,829 million

Distribution of weights at normal displacement:
   Armament: 1 387 tons, 9,2 %
      - Guns: 1 387 tons, 9,2 %
   Armour: 5 458 tons, 36,3 %
      - Belts: 2 875 tons, 19,1 %
      - Armament: 1 298 tons, 8,6 %
      - Armour Deck: 1 027 tons, 6,8 %
      - Conning Towers: 258 tons, 1,7 %
   Machinery: 1 608 tons, 10,7 %
   Hull, fittings & equipment: 4 312 tons, 28,7 %
   Fuel, ammunition & stores: 1 512 tons, 10,1 %
   Miscellaneous weights: 755 tons, 5,0 %
      - Hull below water: 402 tons
      - Hull above water: 190 tons
      - Above deck: 163 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     22 630 lbs / 10 265 Kg = 45,3 x 10,0 " / 254 mm shells or 2,9 torpedoes
   Stability (Unstable if below 1.00): 1,12
   Metacentric height 4,3 ft / 1,3 m
   Roll period: 15,9 seconds
   Steadiness   - As gun platform (Average = 50 %): 69 %
         - Recoil effect (Restricted arc if above 1.00): 0,59
   Seaboat quality  (Average = 1.00): 1,19

Hull form characteristics:
   Hull has raised forecastle,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0,650 / 0,654
   Length to Beam Ratio: 5,42 : 1
   'Natural speed' for length: 20,65 kts
   Power going to wave formation at top speed: 60 %
   Trim (Max stability = 0, Max steadiness = 100): 58
   Bow angle (Positive = bow angles forward): -10,00 degrees
   Stern overhang: -3,28 ft / -1,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20,00 %,  24,64 ft / 7,51 m,  24,64 ft / 7,51 m
      - Forward deck:   30,00 %,  20,70 ft / 6,31 m,  20,70 ft / 6,31 m
      - Aft deck:   35,00 %,  20,70 ft / 6,31 m,  20,70 ft / 6,31 m
      - Quarter deck:   15,00 %,  20,70 ft / 6,31 m,  20,70 ft / 6,31 m
      - Average freeboard:      21,49 ft / 6,55 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 70,6 %
      - Above water (accommodation/working, high = better): 149,6 %
   Waterplane Area: 25 727 Square feet or 2 390 Square metres
   Displacement factor (Displacement / loading): 105 %
   Structure weight / hull surface area: 137 lbs/sq ft or 668 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,90
      - Longitudinal: 2,66
      - Overall: 1,00
   Excellent machinery, storage, compartmentation space
   Excellent accommodation and workspace room
        Ship has slow, easy roll, a good, steady gun platform at 22.85kts

AD
138t for 1924 Top Fire Control
25t for Marconi
AW
70t for additionnal pumps
70t for climatisation
50t reserved
BW
402t for electric drive
------
LD 1899
Com 1902
Rebuilt 1925

Cost : 9.02$ & 5.35BP

Uparty-18kts-13814t
to 23kts13520t$ x 0,2BP x 0,1
2,7041,352
$BP
new guns308t0,6160,308
new mounts1078t1,0781,078
new armour1298t1,2981,298
new engines+elec motors1608t+402t4,022,01
9,7166,046
old guns260t0,0390,039
old mounts637t0,0950,095
old armour1335t0,20,2
15%old engines2417t0,3620,362
0,6960,696
Final cost9,716 - 0,696  =>9,029,02$
Final cost6,046 - 0,696   =>5,355,35BP

Title: Re: Byzantine Empire 1925...
Post by: The Rock Doctor on February 15, 2023, 09:01:18 PM
I was wondering what the price was and I see you've added it in now.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on February 17, 2023, 04:11:41 PM
It's relevant to reinforce the minesweeper fleet in colonies.

Minesweeper, Byzantine Empire MSW180 laid down 1925

Displacement:
   180 t light; 190 t standard; 213 t normal; 230 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (137,80 ft / 137,80 ft) x 22,97 ft x (5,54 / 5,86 ft)
   (42,00 m / 42,00 m) x 7,00 m  x (1,69 / 1,79 m)

Armament:
      1 - 1,85" / 47,0 mm 50,0 cal gun - 3,35lbs / 1,52kg shells, 800 per gun
     Anti-air gun in deck mount, 1925 Model
     1 x Single mount on centreline, forward deck forward
      4 - 1,85" / 47,0 mm 50,0 cal guns - 3,35lbs / 1,52kg shells, 600 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on sides, forward evenly spread
      2 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 10 000 per gun
     Machine guns in deck mounts, 1925 Model
     2 x Single mounts on sides, forward deck centre
      2 raised mounts
      Weight of broadside 17 lbs / 8 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Electric motors, 2 shafts, 700 shp / 522 Kw = 15,05 kts
   Range 4 000nm at 10,00 kts
   Bunker at max displacement = 40 tons

Complement:
   27 - 36

Cost:
   £0,035 million / $0,139 million

Distribution of weights at normal displacement:
   Armament: 4 tons, 2,0 %
      - Guns: 4 tons, 2,0 %
   Armour: 6 tons, 2,9 %
      - Armament: 6 tons, 2,9 %
   Machinery: 23 tons, 10,7 %
   Hull, fittings & equipment: 98 tons, 46,0 %
   Fuel, ammunition & stores: 33 tons, 15,3 %
   Miscellaneous weights: 49 tons, 23,1 %
      - On freeboard deck: 49 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     1 010 lbs / 458 Kg = 318,8 x 1,9 " / 47 mm shells or 1,1 torpedoes
   Stability (Unstable if below 1.00): 1,17
   Metacentric height 0,7 ft / 0,2 m
   Roll period: 11,3 seconds
   Steadiness   - As gun platform (Average = 50 %): 90 %
         - Recoil effect (Restricted arc if above 1.00): 0,11
   Seaboat quality  (Average = 1.00): 1,99

Hull form characteristics:
   Hull has low quarterdeck ,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0,424 / 0,435
   Length to Beam Ratio: 6,00 : 1
   'Natural speed' for length: 11,74 kts
   Power going to wave formation at top speed: 56 %
   Trim (Max stability = 0, Max steadiness = 100): 45
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20,00 %,  11,81 ft / 3,60 m,  11,15 ft / 3,40 m
      - Forward deck:   30,00 %,  11,15 ft / 3,40 m,  10,50 ft / 3,20 m
      - Aft deck:   30,00 %,  10,50 ft / 3,20 m,  10,50 ft / 3,20 m
      - Quarter deck:   20,00 %,  3,94 ft / 1,20 m,  3,94 ft / 1,20 m
      - Average freeboard:      9,47 ft / 2,89 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 43,6 %
      - Above water (accommodation/working, high = better): 148,8 %
   Waterplane Area: 1 979 Square feet or 184 Square metres
   Displacement factor (Displacement / loading): 191 %
   Structure weight / hull surface area: 29 lbs/sq ft or 140 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,82
      - Longitudinal: 6,23
      - Overall: 1,00
   Excellent machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform
   Excellent seaboat, comfortable, can fire her guns in the heaviest weather

Misc weight:
Short Marconi
5t for Climatisation
30t Jacks & sectionning cables
8t reserved for new materials
6t for electric drive
Title: Re: Byzantine Empire 1925...
Post by: TacCovert4 on February 17, 2023, 08:46:57 PM
You're reminding me that my MS-1 class is ancient and in need of being replaced.   Sigh. 
Title: Re: Byzantine Empire 1925...
Post by: The Rock Doctor on February 18, 2023, 07:58:31 AM
It's a type I've relegated to auto-building one a turn and just updating the design once in a while.
Title: Re: Byzantine Empire 1925...
Post by: TacCovert4 on February 18, 2023, 01:10:27 PM
If I do something it'll probably be a combination asw and minesweeper.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on February 18, 2023, 04:29:06 PM
QuoteIf I do something it'll probably be a combination asw and minesweeper.

This kind of multi role ship...

TGB500, Byzantine Empire Multi role  laid down 1925

Displacement:
   500 t light; 532 t standard; 568 t normal; 597 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (242,78 ft / 242,78 ft) x 26,25 ft x (7,19 / 7,44 ft)
   (74,00 m / 74,00 m) x 8,00 m  x (2,19 / 2,27 m)

Armament:
      2 - 4,02" / 102 mm 45,0 cal guns - 33,00lbs / 14,97kg shells, 150 per gun
     Quick firing guns in deck mount, 1925 Model
     1 x 2-gun mount on centreline, forward deck forward
      1 - 3,00" / 76,2 mm 45,0 cal gun - 12,50lbs / 5,67kg shells, 150 per gun
     Anti-air gun in deck mount, 1925 Model
     1 x Single mount on centreline, aft deck aft
      4 - 1,85" / 47,0 mm 50,0 cal guns - 3,00lbs / 1,36kg shells, 2 000 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on sides, forward evenly spread
      4 raised mounts
      2 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 2 000 per gun
     Machine guns in deck mounts, 1925 Model
     2 x Single mounts on sides, forward deck forward
      2 raised mounts
      Weight of broadside 91 lbs / 41 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Electric motors, 2 shafts, 7 550 shp / 5 632 Kw = 25,00 kts
   Range 3 600nm at 10,00 kts
   Bunker at max displacement = 65 tons

Complement:
   57 - 75

Cost:
   £0,183 million / $0,732 million

Distribution of weights at normal displacement:
   Armament: 18 tons, 3,1 %
      - Guns: 18 tons, 3,1 %
   Armour: 7 tons, 1,3 %
      - Armament: 7 tons, 1,3 %
   Machinery: 240 tons, 42,3 %
   Hull, fittings & equipment: 197 tons, 34,7 %
   Fuel, ammunition & stores: 67 tons, 11,9 %
   Miscellaneous weights: 38 tons, 6,7 %
      - On freeboard deck: 35 tons
      - Above deck: 3 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     319 lbs / 145 Kg = 9,9 x 4,0 " / 102 mm shells or 0,3 torpedoes
   Stability (Unstable if below 1.00): 1,14
   Metacentric height 0,9 ft / 0,3 m
   Roll period: 11,9 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,25
   Seaboat quality  (Average = 1.00): 1,08

Hull form characteristics:
   Hull has a flush deck,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0,434 / 0,441
   Length to Beam Ratio: 9,25 : 1
   'Natural speed' for length: 15,58 kts
   Power going to wave formation at top speed: 63 %
   Trim (Max stability = 0, Max steadiness = 100): 66
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20,00 %,  13,12 ft / 4,00 m,  11,48 ft / 3,50 m
      - Forward deck:   30,00 %,  11,48 ft / 3,50 m,  9,84 ft / 3,00 m
      - Aft deck:   25,00 %,  9,84 ft / 3,00 m,  9,84 ft / 3,00 m
      - Quarter deck:   25,00 %,  9,84 ft / 3,00 m,  9,84 ft / 3,00 m
      - Average freeboard:      10,55 ft / 3,22 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 147,7 %
      - Above water (accommodation/working, high = better): 125,0 %
   Waterplane Area: 4 014 Square feet or 373 Square metres
   Displacement factor (Displacement / loading): 98 %
   Structure weight / hull surface area: 29 lbs/sq ft or 144 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,67
      - Longitudinal: 2,04
      - Overall: 0,75
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

Short Marconi
3t for 1918 FC (15 000m)

3t for Climatisation
6t for 2TTx533
5t for Hydrophone
5t for 50DC
10t for 2x5t Jacks & sectionning cables
6t for electric motors

Title: Re: Byzantine Empire 1925...
Post by: TacCovert4 on February 18, 2023, 07:34:21 PM
Quote from: Jefgte on February 18, 2023, 04:29:06 PM
QuoteIf I do something it'll probably be a combination asw and minesweeper.

This kind of multi role ship...

TGB500, Byzantine Empire Multi role  laid down 1925

Displacement:
   500 t light; 532 t standard; 568 t normal; 597 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (242,78 ft / 242,78 ft) x 26,25 ft x (7,19 / 7,44 ft)
   (74,00 m / 74,00 m) x 8,00 m  x (2,19 / 2,27 m)

Armament:
      2 - 4,02" / 102 mm 45,0 cal guns - 33,00lbs / 14,97kg shells, 150 per gun
     Quick firing guns in deck mount, 1925 Model
     1 x 2-gun mount on centreline, forward deck forward
      1 - 3,00" / 76,2 mm 45,0 cal gun - 12,50lbs / 5,67kg shells, 150 per gun
     Anti-air gun in deck mount, 1925 Model
     1 x Single mount on centreline, aft deck aft
      4 - 1,85" / 47,0 mm 50,0 cal guns - 3,00lbs / 1,36kg shells, 2 000 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on sides, forward evenly spread
      4 raised mounts
      2 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 2 000 per gun
     Machine guns in deck mounts, 1925 Model
     2 x Single mounts on sides, forward deck forward
      2 raised mounts
      Weight of broadside 91 lbs / 41 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Electric motors, 2 shafts, 7 550 shp / 5 632 Kw = 25,00 kts
   Range 3 600nm at 10,00 kts
   Bunker at max displacement = 65 tons

Complement:
   57 - 75

Cost:
   £0,183 million / $0,732 million

Distribution of weights at normal displacement:
   Armament: 18 tons, 3,1 %
      - Guns: 18 tons, 3,1 %
   Armour: 7 tons, 1,3 %
      - Armament: 7 tons, 1,3 %
   Machinery: 240 tons, 42,3 %
   Hull, fittings & equipment: 197 tons, 34,7 %
   Fuel, ammunition & stores: 67 tons, 11,9 %
   Miscellaneous weights: 38 tons, 6,7 %
      - On freeboard deck: 35 tons
      - Above deck: 3 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     319 lbs / 145 Kg = 9,9 x 4,0 " / 102 mm shells or 0,3 torpedoes
   Stability (Unstable if below 1.00): 1,14
   Metacentric height 0,9 ft / 0,3 m
   Roll period: 11,9 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,25
   Seaboat quality  (Average = 1.00): 1,08

Hull form characteristics:
   Hull has a flush deck,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0,434 / 0,441
   Length to Beam Ratio: 9,25 : 1
   'Natural speed' for length: 15,58 kts
   Power going to wave formation at top speed: 63 %
   Trim (Max stability = 0, Max steadiness = 100): 66
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20,00 %,  13,12 ft / 4,00 m,  11,48 ft / 3,50 m
      - Forward deck:   30,00 %,  11,48 ft / 3,50 m,  9,84 ft / 3,00 m
      - Aft deck:   25,00 %,  9,84 ft / 3,00 m,  9,84 ft / 3,00 m
      - Quarter deck:   25,00 %,  9,84 ft / 3,00 m,  9,84 ft / 3,00 m
      - Average freeboard:      10,55 ft / 3,22 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 147,7 %
      - Above water (accommodation/working, high = better): 125,0 %
   Waterplane Area: 4 014 Square feet or 373 Square metres
   Displacement factor (Displacement / loading): 98 %
   Structure weight / hull surface area: 29 lbs/sq ft or 144 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,67
      - Longitudinal: 2,04
      - Overall: 0,75
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

Short Marconi
3t for 1918 FC (15 000m)

3t for Climatisation
6t for 2TTx533
5t for Hydrophone
5t for 50DC
10t for 2x5t Jacks & sectionning cables
6t for electric motors

Something very close, yes.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on February 21, 2023, 01:04:03 AM
TGB500 seems a bit too light to me...
I reSS the TGB700 to make it a more versatile ship by reserving more misc weight.

Madagascar class, Byzantine Empire TGBM780 laid down 1925

Displacement:
   780 t light; 820 t standard; 894 t normal; 953 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (260,64 ft / 259,19 ft) x 32,81 ft x (7,45 / 7,81 ft)
   (79,44 m / 79,00 m) x 10,00 m  x (2,27 / 2,38 m)

Armament:
      4 - 4,00" / 102 mm 45,0 cal guns - 33,00lbs / 14,97kg shells, 200 per gun
     Quick firing guns in deck mounts, 1925 Model
     2 x 2-gun mounts on centreline ends, evenly spread
      1 - 3,00" / 76,2 mm 45,0 cal gun - 12,50lbs / 5,67kg shells, 220 per gun
     Anti-air gun in deck mount, 1925 Model
     1 x Single mount on centreline, aft deck aft
      1 raised mount
      4 - 1,85" / 47,0 mm 50,0 cal guns - 3,00lbs / 1,36kg shells, 1 000 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on sides, forward evenly spread
      4 raised mounts
      2 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 4 000 per gun
     Machine guns in deck mounts, 1925 Model
     2 x Single mounts on sides, forward deck centre
      2 raised mounts
      Weight of broadside 157 lbs / 71 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 10 426 shp / 7 777 Kw = 25,00 kts
   Range 5 600nm at 10,00 kts
   Bunker at max displacement = 132 tons

Complement:
   81 - 106

Cost:
   £0,270 million / $1,080 million

Distribution of weights at normal displacement:
   Armament: 29 tons, 3,3 %
      - Guns: 29 tons, 3,3 %
   Armour: 8 tons, 0,9 %
      - Armament: 8 tons, 0,9 %
   Machinery: 338 tons, 37,9 %
   Hull, fittings & equipment: 303 tons, 33,9 %
   Fuel, ammunition & stores: 114 tons, 12,8 %
   Miscellaneous weights: 101 tons, 11,3 %
      - On freeboard deck: 73 tons
      - Above deck: 28 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     663 lbs / 301 Kg = 20,7 x 4,0 " / 102 mm shells or 0,4 torpedoes
   Stability (Unstable if below 1.00): 1,13
   Metacentric height 1,2 ft / 0,4 m
   Roll period: 12,6 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,22
   Seaboat quality  (Average = 1.00): 1,02

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,494 / 0,502
   Length to Beam Ratio: 7,90 : 1
   'Natural speed' for length: 16,10 kts
   Power going to wave formation at top speed: 65 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 5,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  16,67 ft / 5,08 m,  14,70 ft / 4,48 m
      - Forward deck:   33,00 %,  14,70 ft / 4,48 m,  12,40 ft / 3,78 m
      - Aft deck:   27,00 %,  12,40 ft / 3,78 m,  11,09 ft / 3,38 m
      - Quarter deck:   22,00 %,  11,09 ft / 3,38 m,  11,09 ft / 3,38 m
      - Average freeboard:      12,87 ft / 3,92 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 132,8 %
      - Above water (accommodation/working, high = better): 168,8 %
   Waterplane Area: 5 635 Square feet or 524 Square metres
   Displacement factor (Displacement / loading): 104 %
   Structure weight / hull surface area: 34 lbs/sq ft or 168 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,66
      - Longitudinal: 2,31
      - Overall: 0,75
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

25t for long range Marconi
3t for top fire control
9t for 3TTx533
4t for climatisation
15t for enhanced Hydrophone
5t for 50 DC

20t for Paravanes & sectioning cables
20t reserved
or 40t for 40 minen


5600nm@10kts
3700nm@12kts
980nm@20kts
390nm@27kts
Title: Re: Byzantine Empire 1925...
Post by: TacCovert4 on February 23, 2023, 07:14:51 PM
The only thing I would look at is the AA suite.  It's the 1920s, one AA gun is getting pretty paltry, especially when the MGs are only a pair of rifle caliber guns.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on February 24, 2023, 12:51:08 AM
QuoteThe only thing I would look at is the AA suite.  It's the 1920s, one AA gun is getting pretty paltry, especially when the MGs are only a pair of rifle caliber guns.


There are no real aircraft carriers yet and no torpedo squadrons and dive bombers.
Byzantium will develop more consistent AA weapons in a few years.
Note that all Byzantine ships also have 47/50cal QF Vickers against MTBs and Aircraft.
7,7 MG are for close protection in harbors or very near coasts.
Title: Re: Byzantine Empire 1925...
Post by: TacCovert4 on February 24, 2023, 06:35:54 AM
Quote from: Jefgte on February 24, 2023, 12:51:08 AM
QuoteThe only thing I would look at is the AA suite.  It's the 1920s, one AA gun is getting pretty paltry, especially when the MGs are only a pair of rifle caliber guns.


There are no real aircraft carriers yet and no torpedo squadrons and dive bombers.
Byzantium will develop more consistent AA weapons in a few years.
Note that all Byzantine ships also have 47/50cal QF Vickers against MTBs and Aircraft.
7,7 MG are for close protection in harbors or very near coasts.

True, and Byzantium hasn't had a bunch of recent air combat to inspire a push to have more AA.  The Aztec push away from heavy AA towards rapid-firing light-medium AA has been a function of its apparent lack of utility.  Ultimately, this will come back to bite, I'll have to develop a new heavy AA weapon or do a bunch of refits in the 1930s or so when aircraft get much more serious.
Title: Re: Byzantine Empire 1925...
Post by: Kaiser Kirk on February 24, 2023, 09:03:21 AM
Quote from: Jefgte on February 24, 2023, 12:51:08 AM
Note that all Byzantine ships also have 47/50cal QF Vickers against MTBs and Aircraft.

When I was running the Mayan war, I gave the Mayans a pass on QF vs. AA mountings
since they were a quickly built and reviewed navy.

For players, if it is in a QF mounting, do not expect it to function adequately against aircraft.
To me, that indicates a low angle mounting, not necessarily meant for fast traverse and elevation.
Certainly no fuse setters, so all HE.
Buried under Snip's Research, Gun Research, there's a bit on updating mountings.
To me that means mountings type listed in the SS matters.
You can update that to a different type/year via that section. 

I realize other folks running battles may look at that differently, but felt I should be clear.


For my part, I developed my 57mm AA as my 90mm AA really didn't fit on destroyers.
I'm placing it my ships, but I recognize it's too big to be fast, and too small to have a good lethal radius.
So it will get replaced with the next generation of weapons.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on February 24, 2023, 03:41:17 PM
QuoteFor players, if it is in a QF mounting, do not expect it to function adequately against aircraft.
To me, that indicates a low angle mounting, not necessarily meant for fast traverse and elevation.
Certainly no fuse setters, so all HE.
Buried under Snip's Research, Gun Research, there's a bit on updating mountings.
To me that means mountings type listed in the SS matters.
You can update that to a different type/year via that section.

I realize other folks running battles may look at that differently, but felt I should be clear.


As I have specified since the beginning of the game, I use the naval artillery of the United Kingdom, source Naval Weapons.
The 47/50 cal Vickers gun.

http://www.navweaps.com/Weapons/WNBR_3pounder_V_mk1.php

This one has an elevation angle of 80° and was also used during WW I as an AA gun.

I declared it in my SS as QF because aviation is currently very underdeveloped. I therefore consider it ,first, as an anti MTB gun.

In a few years, it will be replaced by the 40/39 cal.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on February 25, 2023, 12:55:17 AM
In your rules,
I would like to know if you consider that an AA gun, the 76.2 for example, is also anti-surface?

Or is there a barrier in the use of weapons?
AA is only AA.
Title: Re: Byzantine Empire 1925...
Post by: Kaiser Kirk on February 25, 2023, 02:52:42 PM
Yes, historical weapons are fine.

Please note in your Navweaps article,
under Mount/Turret Data, they list three different mountings - Mk 1, Mk 2, and Mk 3 :
The Mk 1 and Mk 2 are LA - low angle mountings.
The Mk 3 is the HA mounting. - the AA mount.

Your Springsharp needs to reflect the intended capabilities of the weapon.
And you still need to research that mounting- or have taken it as one of the freebie mounts when you developed the 47mm.
There is not a "HA' toggle for us, so if those guns are meant to be able to engage AA targets, they need to have that shown as  'AA'.

We can generally presume that guns dedicated for AA can also be pointed down and used for MTB work,
but most LA mounts simply can't elevate, probably can't track fast enough, and won't have any AA sites.

Further, there is actually a weight difference in SS.
For something like a 47mm it is trivial. For larger guns it adds up.
So the QF/AA/DP should be set to the right number.
100 x 47mm in "QF" - 58 tons for the mountings
100 x 47mm in "AA" - 61 tons for the mountings
only 0.03 tons per mounting on 47mm, as I said trivial, but demonstrates
the concept and is a fair bit more for larger guns.

Now, can non-AA guns be used in a AA role ?
Sure, sometimes.
A local author who served in WWII as a casement 5"/51 gunner on the USS Maryland described
using the casement 5" for Barrage fire vs. torpedo planes....but barrage fire against low level attackers
is simpler than tracking a dive bomber.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on February 25, 2023, 04:58:44 PM
Finaly refurbishment not too expensive...

0.708$ & 0.379BP

TGB550 ex D3, Byzantine Empire TGB laid down 1901 (Engine 1925)

Displacement:
   550 t light; 580 t standard; 629 t normal; 669 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (246,06 ft / 246,06 ft) x 24,61 ft x (9,09 / 9,47 ft)
   (75,00 m / 75,00 m) x 7,50 m  x (2,77 / 2,89 m)

Armament:
      3 - 4,00" / 102 mm 45,0 cal guns - 33,00lbs / 14,97kg shells, 175 per gun
     Quick firing guns in deck mounts, 1925 Model
     3 x Single mounts on centreline, evenly spread
      1 - 3,00" / 76,2 mm 45,0 cal gun - 12,50lbs / 5,67kg shells, 220 per gun
     Anti-air gun in deck mount, 1925 Model
     1 x Single mount on centreline, aft deck aft
      1 raised mount
      4 - 1,85" / 47,0 mm 50,0 cal guns - 3,00lbs / 1,36kg shells, 900 per gun
     Anti-air guns in deck mounts, 1925 Model
     4 x Single mounts on sides, forward deck aft
      2 raised mounts - superfiring
      2 - 0,30" / 7,6 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 4 000 per gun
     Machine guns in deck mounts, 1901 Model
     2 x Single mounts on sides, forward deck forward
      2 raised mounts
      Weight of broadside 124 lbs / 56 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Electric motors, 2 shafts, 8 000 shp / 5 968 Kw = 25,20 kts
   Range 3 100nm at 12,00 kts
   Bunker at max displacement = 89 tons

Complement:
   62 - 81

Cost:
   £0,059 million / $0,237 million

Distribution of weights at normal displacement:
   Armament: 23 tons, 3,7 %
      - Guns: 23 tons, 3,7 %
   Armour: 7 tons, 1,0 %
      - Armament: 7 tons, 1,0 %
   Machinery: 242 tons, 38,5 %
   Hull, fittings & equipment: 181 tons, 28,8 %
   Fuel, ammunition & stores: 79 tons, 12,6 %
   Miscellaneous weights: 97 tons, 15,4 %
      - Hull below water: 61 tons
      - Hull above water: 5 tons
      - On freeboard deck: 29 tons
      - Above deck: 2 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     271 lbs / 123 Kg = 8,5 x 4,0 " / 102 mm shells or 0,3 torpedoes
   Stability (Unstable if below 1.00): 1,16
   Metacentric height 0,8 ft / 0,2 m
   Roll period: 11,5 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,29
   Seaboat quality  (Average = 1.00): 1,01

Hull form characteristics:
   Hull has raised forecastle,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0,400 / 0,408
   Length to Beam Ratio: 10,00 : 1
   'Natural speed' for length: 15,69 kts
   Power going to wave formation at top speed: 61 %
   Trim (Max stability = 0, Max steadiness = 100): 70
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   24,00 %,  15,49 ft / 4,72 m,  14,17 ft / 4,32 m
      - Forward deck:   25,00 %,  8,92 ft / 2,72 m,  7,35 ft / 2,24 m
      - Aft deck:   26,00 %,  7,35 ft / 2,24 m,  7,35 ft / 2,24 m
      - Quarter deck:   25,00 %,  7,35 ft / 2,24 m,  7,02 ft / 2,14 m
      - Average freeboard:      9,27 ft / 2,83 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 147,0 %
      - Above water (accommodation/working, high = better): 88,6 %
   Waterplane Area: 3 727 Square feet or 346 Square metres
   Displacement factor (Displacement / loading): 92 %
   Structure weight / hull surface area: 29 lbs/sq ft or 142 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,69
      - Longitudinal: 1,62
      - Overall: 0,75
   Cramped machinery, storage, compartmentation space
   Cramped accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

1909 refit
1t for new rangefinder
10t for Marconi

1925 refurbisment
new engines - turbines 8000shp
61t for electric drive
new 102mm guns with 2t rangefinder - 14km
9t for 3TTx533
5t climatisation
5t for hydrophone
5t for 50 DC
10t for paravanes


D3 > TGB550500t => 550t$BP
500 x 0,20,10
new guns3x1020,040,02(20t)
new guns1x76,2AA0,00580,0029(2,9t)
new guns4x470,01280,0064(6,4t)
new engines241t0,4820,241
electricdrive61t0,120,061
Scrapp 15%Total =>0,76060,3313
old guns
old guns0,0190,002850,00285(19t)
old armour000
- scrap costold engines330t0,04950,0495
- scrap costTotal =>0,052350,05235
0,7606 - 0,05235   =>0,708$
0,3313 - 0,05235  =>0,279BP
$BP


Title: Re: Byzantine Empire 1925...
Post by: Jefgte on March 02, 2023, 12:41:18 AM
The final design

K, Byzantine Empire C10 laid down 1925

Displacement:
   3 000 t light; 3 152 t standard; 3 527 t normal; 3 826 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (433,07 ft / 433,07 ft) x 43,31 ft x (13,88 / 14,74 ft)
   (132,00 m / 132,00 m) x 13,20 m  x (4,23 / 4,49 m)

Armament:
      6 - 5,98" / 152 mm 45,0 cal guns - 100,00lbs / 45,36kg shells, 180 per gun
     Breech loading guns in deck and hoist mounts, 1925 Model
     3 x 2-gun mounts on centreline ends, majority aft
      4 - 4,02" / 102 mm 45,0 cal guns - 33,00lbs / 14,97kg shells, 200 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on sides, forward evenly spread
      2 - 3,00" / 76,2 mm 45,0 cal guns - 12,50lbs / 5,67kg shells, 220 per gun
     Anti-air guns in deck mounts, 1925 Model
     2 x Single mounts on sides, forward deck aft
      2 raised mounts
      4 - 1,85" / 47,0 mm 50,0 cal guns - 3,35lbs / 1,52kg shells, 500 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on sides, forward evenly spread
      4 raised mounts
      4 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 4 000 per gun
     Machine guns in deck mounts, 1925 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      Weight of broadside 771 lbs / 350 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   1,77" / 45 mm   0,79" / 20 mm      0,79" / 20 mm
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -
   5th:   0,39" / 10 mm         -               -

   - Box over machinery & magazines:
   1,77" / 45 mm

   - Conning towers: Forward 2,76" / 70 mm, Aft 1,18" / 30 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 4 shafts, 33 500 shp / 24 991 Kw = 29,01 kts
   Range 8 500nm at 12,00 kts
   Bunker at max displacement = 675 tons

Complement:
   228 - 297

Cost:
   £1,068 million / $4,272 million

Distribution of weights at normal displacement:
   Armament: 204 tons, 5,8 %
      - Guns: 204 tons, 5,8 %
   Armour: 629 tons, 17,8 %
      - Armament: 37 tons, 1,1 %
      - Armour Deck: 572 tons, 16,2 %
      - Conning Towers: 20 tons, 0,6 %
   Machinery: 1 081 tons, 30,7 %
   Hull, fittings & equipment: 963 tons, 27,3 %
   Fuel, ammunition & stores: 527 tons, 14,9 %
   Miscellaneous weights: 122 tons, 3,5 %
      - Hull below water: 15 tons
      - Hull above water: 15 tons
      - On freeboard deck: 47 tons
      - Above deck: 45 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     2 270 lbs / 1 030 Kg = 21,2 x 6,0 " / 152 mm shells or 0,7 torpedoes
   Stability (Unstable if below 1.00): 1,09
   Metacentric height 1,7 ft / 0,5 m
   Roll period: 14,0 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,53
   Seaboat quality  (Average = 1.00): 1,02

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,474 / 0,484
   Length to Beam Ratio: 10,00 : 1
   'Natural speed' for length: 20,81 kts
   Power going to wave formation at top speed: 57 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  19,70 ft / 6,01 m,  16,42 ft / 5,01 m
      - Forward deck:   34,00 %,  16,42 ft / 5,01 m,  13,14 ft / 4,01 m
      - Aft deck:   34,00 %,  13,14 ft / 4,01 m,  12,14 ft / 3,70 m
      - Quarter deck:   14,50 %,  12,14 ft / 3,70 m,  12,80 ft / 3,90 m
      - Average freeboard:      14,23 ft / 4,34 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 119,4 %
      - Above water (accommodation/working, high = better): 139,8 %
   Waterplane Area: 12 209 Square feet or 1 134 Square metres
   Displacement factor (Displacement / loading): 98 %
   Structure weight / hull surface area: 56 lbs/sq ft or 272 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,72
      - Longitudinal: 1,03
      - Overall: 0,75
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

25t for Long Range Marconi
20t for top mast rangefinder - FC1924
15t for climatisation
15t for additionnal pumps
16t for 4TTx21" HW
31t reserved for new materials, armaments or 30 minen
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on March 25, 2023, 01:52:03 AM
LD in 1900, AC2 class, Bourgas & Bapha, need a major reconstruction to update them to 27kts:
cost 11.58$ & 4,73BP

Bourgas-Bapha, Byzantine Empire AC2 laid down 1900 (Engine 1926)

Displacement:
   12 480 t light; 13 090 t standard; 14 124 t normal; 14 951 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (532,00 ft / 532,00 ft) x 76,00 ft x (19,53 / 20,49 ft)
   (162,15 m / 162,15 m) x 23,16 m  x (5,95 / 6,24 m)

Armament:
      6 - 9,21" / 234 mm 45,0 cal guns - 380,01lbs / 172,37kg shells, 120 per gun
     Breech loading guns in turret on barbette mounts, 1900 Model
     3 x Twin mounts on centreline ends, majority forward
      4 - 9,21" / 234 mm 45,0 cal guns - 380,01lbs / 172,37kg shells, 120 per gun
     Breech loading guns in turret on barbette mounts, 1900 Model
     4 x Single mounts on side ends, evenly spread
      8 - 4,72" / 120 mm 45,0 cal guns - 50,00lbs / 22,68kg shells, 200 per gun
     Quick firing guns in deck and hoist mounts, 1925 Model
     4 x 2-gun mounts on sides, evenly spread
      4 raised mounts
      4 - 3,00" / 76,2 mm 45,0 cal guns - 12,50lbs / 5,67kg shells, 200 per gun
     Anti-air guns in deck mounts, 1925 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      8 - 1,85" / 47,0 mm 50,0 cal guns - 3,00lbs / 1,36kg shells, 2 000 per gun
     Quick firing guns in deck mounts, 1900 Model
     8 x Single mounts on side ends, evenly spread
      4 raised mounts - superfiring
      Weight of broadside 4 274 lbs / 1 939 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   5,12" / 130 mm   518,37 ft / 158,00 m   9,84 ft / 3,00 m
   Ends:   1,97" / 50 mm     13,12 ft / 4,00 m   9,84 ft / 3,00 m
   Upper:   3,54" / 90 mm   518,37 ft / 158,00 m   9,84 ft / 3,00 m
     Main Belt covers 150 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   5,51" / 140 mm   2,95" / 75 mm      3,54" / 90 mm
   2nd:   5,51" / 140 mm   2,95" / 75 mm      3,54" / 90 mm
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -
   5th:   0,39" / 10 mm         -               -

   - Armoured deck - single deck:
   For and Aft decks: 1,97" / 50 mm
   Forecastle: 1,38" / 35 mm  Quarter deck: 1,38" / 35 mm

   - Conning towers: Forward 5,51" / 140 mm, Aft 3,54" / 90 mm

Machinery:
   Oil fired boilers, steam turbines,
   Electric motors, 4 shafts, 62 000 shp / 46 252 Kw = 27,01 kts
   Range 10 000nm at 12,00 kts
   Bunker at max displacement = 1 861 tons

Complement:
   647 - 842

Cost:
   £1,129 million / $4,515 million

Distribution of weights at normal displacement:
   Armament: 1 099 tons, 7,8 %
      - Guns: 1 099 tons, 7,8 %
   Armour: 3 551 tons, 25,1 %
      - Belts: 1 736 tons, 12,3 %
      - Armament: 651 tons, 4,6 %
      - Armour Deck: 1 051 tons, 7,4 %
      - Conning Towers: 114 tons, 0,8 %
   Machinery: 1 985 tons, 14,1 %
   Hull, fittings & equipment: 4 888 tons, 34,6 %
   Fuel, ammunition & stores: 1 646 tons, 11,7 %
   Miscellaneous weights: 955 tons, 6,8 %
      - Hull below water: 600 tons
      - Hull above water: 100 tons
      - On freeboard deck: 120 tons
      - Above deck: 135 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     22 353 lbs / 10 139 Kg = 57,2 x 9,2 " / 234 mm shells or 2,6 torpedoes
   Stability (Unstable if below 1.00): 1,11
   Metacentric height 4,1 ft / 1,2 m
   Roll period: 15,8 seconds
   Steadiness   - As gun platform (Average = 50 %): 73 %
         - Recoil effect (Restricted arc if above 1.00): 0,61
   Seaboat quality  (Average = 1.00): 1,11

Hull form characteristics:
   Hull has low quarterdeck ,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0,626 / 0,632
   Length to Beam Ratio: 7,00 : 1
   'Natural speed' for length: 23,07 kts
   Power going to wave formation at top speed: 58 %
   Trim (Max stability = 0, Max steadiness = 100): 66
   Bow angle (Positive = bow angles forward): -10,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  24,50 ft / 7,47 m,  23,00 ft / 7,01 m
      - Forward deck:   33,00 %,  23,00 ft / 7,01 m,  22,00 ft / 6,71 m
      - Aft deck:   33,00 %,  22,00 ft / 6,71 m,  22,00 ft / 6,71 m
      - Quarter deck:   16,00 %,  14,00 ft / 4,27 m,  14,00 ft / 4,27 m
      - Average freeboard:      21,17 ft / 6,45 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 78,5 %
      - Above water (accommodation/working, high = better): 198,4 %
   Waterplane Area: 30 296 Square feet or 2 815 Square metres
   Displacement factor (Displacement / loading): 114 %
   Structure weight / hull surface area: 128 lbs/sq ft or 627 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,94
      - Longitudinal: 1,71
      - Overall: 1,00
   Excellent machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

Misc weight: 955t
110t for 1924 fire control
25t for long range Marconi
32t => 2x4 TT x 533HW
65t for extra pump installation
65t for climatisation
496t for electric drive
162t reserve

----------------------

AC2-Bourgas class-13740t-24ktsReconstruction 12480t-27kts
4$ => 1BP5,4961,374
tonnagecoef$BP
new guns249t2$ => 1BP0,4980,249
new mounts850t1$ => 1BP0,850,85
new armour651t1$ => 1BP0,6510,651
new engines1985t2$ => 1BP3,971,985
25%engineselec motors496t2$ => 1BP0,9920,496
new belt296t1$ => 1BP0,2960,296
new deck371t1$ => 1BP0,3710,371
13,1246,272
old guns188t15%0,02820,0282
old mounts492t15%0,07380,0738
old armour340t15%0,510,51
old engines6188t15%0,92820,9282
1,54021,5402
Final cost13,124- 1,5402  =>11,58$
Final cost6,272 - 1,5402   =>4,73BP

------------------------




Original built

AC2, Byzantine Empire AC2 laid down 1900


Bourgas - Bapha

Displacement:
   13 740 t light; 14 254 t standard; 15 083 t normal; 15 746 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (532,00 ft / 532,00 ft) x 76,00 ft x (20,86 / 21,62 ft)
   (162,15 m / 162,15 m) x 23,16 m  x (6,36 / 6,59 m)

Armament:
      6 - 9,20" / 234 mm 45,0 cal guns - 392,67lbs / 178,11kg shells, 100 per gun
     Breech loading guns in turret on barbette mounts, 1900 Model
     3 x Twin mounts on centreline ends, majority forward
      8 - 6,00" / 152 mm 45,0 cal guns - 108,93lbs / 49,41kg shells, 138 per gun
     Breech loading guns in casemate mounts, 1900 Model
     8 x Single mounts on sides, evenly spread
      10 - 3,00" / 76,2 mm 45,0 cal guns - 13,62lbs / 6,18kg shells, 192 per gun
     Quick firing guns in deck mounts, 1900 Model
     10 x Single mounts on side ends, majority forward
      4 - 0,30" / 7,7 mm 70,0 cal guns - 0,02lbs / 0,01kg shells, 2 000 per gun
     Machine guns in deck mounts, 1900 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      Weight of broadside 3 364 lbs / 1 526 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   5,10" / 130 mm   517,00 ft / 157,58 m   6,90 ft / 2,10 m
   Ends:   1,97" / 50 mm     15,00 ft / 4,57 m   5,00 ft / 1,52 m
   Upper:   3,55" / 90 mm   517,00 ft / 157,58 m   10,07 ft / 3,07 m
     Main Belt covers 150 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   5,50" / 140 mm   2,97" / 75 mm      3,55" / 90 mm
   2nd:   1,97" / 50 mm   1,97" / 50 mm      1,97" / 50 mm
   4th:   0,80" / 20 mm         -               -
   5th:   0,50" / 13 mm         -               -

   - Armoured deck - single deck:
   For and Aft decks: 1,25" / 32 mm
   Forecastle: 1,00" / 25 mm  Quarter deck: 1,00" / 25 mm

   - Conning towers: Forward 5,50" / 140 mm, Aft 3,55" / 90 mm

Machinery:
   Coal and oil fired boilers, complex reciprocating steam engines,
   Direct drive, 4 shafts, 40 000 ihp / 29 840 Kw = 24,00 kts
   Range 4 500nm at 10,00 kts
   Bunker at max displacement = 1 493 tons (90% coal)

Complement:
   679 - 884

Cost:
   £1,616 million / $6,463 million

Distribution of weights at normal displacement:
   Armament: 681 tons, 4,5 %
      - Guns: 681 tons, 4,5 %
   Armour: 2 579 tons, 17,1 %
      - Belts: 1 440 tons, 9,5 %
      - Armament: 340 tons, 2,3 %
      - Armour Deck: 680 tons, 4,5 %
      - Conning Towers: 119 tons, 0,8 %
   Machinery: 6 188 tons, 41,0 %
   Hull, fittings & equipment: 4 091 tons, 27,1 %
   Fuel, ammunition & stores: 1 343 tons, 8,9 %
   Miscellaneous weights: 201 tons, 1,3 %
      - Hull below water: 12 tons
      - Hull above water: 54 tons
      - Above deck: 135 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     7 447 lbs / 3 378 Kg = 19,1 x 9,2 " / 234 mm shells or 1,1 torpedoes
   Stability (Unstable if below 1.00): 1,49
   Metacentric height 6,5 ft / 2,0 m
   Roll period: 12,5 seconds
   Steadiness   - As gun platform (Average = 50 %): 73 %
         - Recoil effect (Restricted arc if above 1.00): 0,19
   Seaboat quality  (Average = 1.00): 1,10

Hull form characteristics:
   Hull has a flush deck,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0,626 / 0,630
   Length to Beam Ratio: 7,00 : 1
   'Natural speed' for length: 23,07 kts
   Power going to wave formation at top speed: 52 %
   Trim (Max stability = 0, Max steadiness = 100): 66
   Bow angle (Positive = bow angles forward): -10,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  16,50 ft / 5,03 m,  15,00 ft / 4,57 m
      - Forward deck:   33,00 %,  15,00 ft / 4,57 m,  14,00 ft / 4,27 m
      - Aft deck:   33,00 %,  14,00 ft / 4,27 m,  14,00 ft / 4,27 m
      - Quarter deck:   16,00 %,  14,00 ft / 4,27 m,  14,00 ft / 4,27 m
      - Average freeboard:      14,45 ft / 4,41 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 149,5 %
      - Above water (accommodation/working, high = better): 121,1 %
   Waterplane Area: 30 296 Square feet or 2 815 Square metres
   Displacement factor (Displacement / loading): 85 %
   Structure weight / hull surface area: 111 lbs/sq ft or 542 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 1,01
      - Longitudinal: 0,99
      - Overall: 1,00
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

Misc weight:
12t => 3 TT x 450 with 3 reloads
54t => 27t for extra pump installation & 27t for extra air ventilation
135t => 68t for Top Fire Control - 1918 - 24km  & 10t for short Marconi
57t => reserved
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on April 03, 2023, 04:17:50 PM
D4 class (500t) is very close to D3 class (500t).
These 1901-1904 -25/26kts destroyers, reclassified torpedo boats in 1918, are rebuilt as TGB in 1925-1926.
These new 550t TGBs are assigned to colonies as patrol boats. During war time, they can use as escorts (DE).

The Byzantine Imperial fleet will thus add 35 x TGB550 (ex D3 and D4).
They will have new guns, new torpedoes and receive 8000SHP turbines for a speed of 25kts.

All other TGB700 or 1000 projects are suspended.

The Byzantine Imperial fleet will have in 1926H2, 62 x TGB from 550T to 800t.
--------------------

D4 to TGB550, Byzantine Empire TGB550 laid down 1904 (Engine 1925)
Refurbishment 1926
0,675$ & 0.275BP

Displacement:
   550 t light; 580 t standard; 629 t normal; 669 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (246,06 ft / 246,06 ft) x 24,61 ft x (9,10 / 9,47 ft)
   (75,00 m / 75,00 m) x 7,50 m  x (2,77 / 2,89 m)

Armament:
      3 - 4,00" / 102 mm 45,0 cal guns - 33,00lbs / 14,97kg shells, 175 per gun
     Quick firing guns in deck mounts, 1925 Model
     3 x Single mounts on centreline, evenly spread
      1 - 3,00" / 76,2 mm 45,0 cal gun - 12,50lbs / 5,67kg shells, 220 per gun
     Anti-air gun in deck mount, 1925 Model
     1 x Single mount on centreline, aft deck aft
      1 raised mount
      4 - 1,85" / 47,0 mm 50,0 cal guns - 3,00lbs / 1,36kg shells, 900 per gun
     Quick firing guns in deck mounts, 1925 Model
     4 x Single mounts on sides, forward deck aft
      2 - 0,30" / 7,6 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 4 000 per gun
     Machine guns in deck mounts, 1904 Model
     2 x Single mounts on sides, forward deck forward
      2 raised mounts
      Weight of broadside 124 lbs / 56 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Electric motors, 2 shafts, 8 000 shp / 5 968 Kw = 25,20 kts
   Range 3 100nm at 12,00 kts
   Bunker at max displacement = 89 tons

Complement:
   62 - 81

Cost:
   £0,059 million / $0,238 million

Distribution of weights at normal displacement:
   Armament: 23 tons, 3,7 %
      - Guns: 23 tons, 3,7 %
   Armour: 9 tons, 1,4 %
      - Armament: 9 tons, 1,4 %
   Machinery: 242 tons, 38,4 %
   Hull, fittings & equipment: 181 tons, 28,7 %
   Fuel, ammunition & stores: 79 tons, 12,6 %
   Miscellaneous weights: 95 tons, 15,1 %
      - Hull below water: 59 tons
      - Hull above water: 5 tons
      - On freeboard deck: 29 tons
      - Above deck: 2 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     280 lbs / 127 Kg = 8,8 x 4,0 " / 102 mm shells or 0,3 torpedoes
   Stability (Unstable if below 1.00): 1,17
   Metacentric height 0,8 ft / 0,2 m
   Roll period: 11,5 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,28
   Seaboat quality  (Average = 1.00): 1,01

Hull form characteristics:
   Hull has raised forecastle,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0,400 / 0,408
   Length to Beam Ratio: 10,00 : 1
   'Natural speed' for length: 15,69 kts
   Power going to wave formation at top speed: 61 %
   Trim (Max stability = 0, Max steadiness = 100): 70
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   25,00 %,  14,44 ft / 4,40 m,  12,14 ft / 3,70 m
      - Forward deck:   25,00 %,  8,86 ft / 2,70 m,  7,87 ft / 2,40 m
      - Aft deck:   25,00 %,  7,87 ft / 2,40 m,  7,87 ft / 2,40 m
      - Quarter deck:   25,00 %,  7,87 ft / 2,40 m,  7,55 ft / 2,30 m
      - Average freeboard:      9,25 ft / 2,82 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 146,5 %
      - Above water (accommodation/working, high = better): 92,7 %
   Waterplane Area: 3 727 Square feet or 346 Square metres
   Displacement factor (Displacement / loading): 92 %
   Structure weight / hull surface area: 29 lbs/sq ft or 143 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,69
      - Longitudinal: 1,60
      - Overall: 0,75
   Cramped machinery, storage, compartmentation space
   Adequate accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

1925-26 refurbishment
new turbines - 8000shp
59t electric drive
new 102mm guns with 2t rangefinder - 14km
9t for 3 TT x 533
5t climatisation
5t for hydrophone
5t for 50DC
10t for paravanes
--------------------


D4 class - 500t-26kts Refurbishment TGB550-25kts
20%0,10
tonnagecoef$BP
new guns7t2$ => 1BP0,0140,007
new mounts16t1$ => 1BP0,0160,016
new armour9t1$ => 1BP0,0090,009
new engines2352$ => 1BP0,470,235
25%engineselec motors592$ => 1BP0,1180,059
new belt01$ => 1BP00
new deck01$ => 1BP00
Total =>0,7270,326
old guns6t0,0060,006
old mounts12t0,0120,012
old armour2t0,0020,002
old engines321t0,3210,321
0,3410,341
Total =>15%0,051150,05115
Final cost0,727 - 0,05115 =>0,675$
Final cost0,326 - 0,05115 =>0,275BP
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on April 15, 2023, 04:13:59 PM
BB3 class Kilkis & Lemnos (19420t - 3T2x343 - VTE 21kts) were commissioned in 1904.
They need now a refurbishment with new guns, somme additional armor & new engines (Turbines with electric drive) for 24kts speed & a raises of the forward freeboard by 1.2m to have always "good sea boat".

Cost: 11.3$ & 5BP

Kilkis - Lemnos, Byzantine Empire BB3 laid down 1900 (Engine 1926)

Displacement:
   18 200 t light; 19 231 t standard; 20 255 t normal; 21 073 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (553,00 ft / 553,00 ft) x 85,00 ft x (23,71 / 24,52 ft)
   (168,55 m / 168,55 m) x 25,91 m  x (7,23 / 7,47 m)

Armament:
      6 - 13,50" / 343 mm 40,0 cal guns - 1 264,99lbs / 573,79kg shells, 100 per gun
     Breech loading guns in turret on barbette mounts, 1925 Model
     3 x Twin mounts on centreline ends, majority forward
      8 - 7,52" / 191 mm 45,0 cal guns - 200,00lbs / 90,72kg shells, 140 per gun
     Breech loading guns in casemate mounts, 1915 Model
     8 x Single mounts on sides, evenly spread
      12 - 4,72" / 120 mm 45,0 cal guns - 50,00lbs / 22,68kg shells, 200 per gun
     Quick firing guns in casemate mounts, 1925 Model
     12 x Single mounts on sides, evenly spread
      12 raised mounts
      16 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 2 000 per gun
     Anti-air guns in deck mounts, 1928 Model
     8 x 2-gun mounts on sides, evenly spread
      16 raised mounts
      16 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 4 000 per gun
     Machine guns in deck mounts, 1928 Model
     8 x 2-gun mounts on side ends, evenly spread
      16 raised mounts
      Weight of broadside 9 914 lbs / 4 497 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   11,8" / 300 mm   359,91 ft / 109,70 m   13,78 ft / 4,20 m
   Ends:   4,72" / 120 mm   192,91 ft / 58,80 m   9,84 ft / 3,00 m
   Upper:   5,51" / 140 mm   359,91 ft / 109,70 m   8,01 ft / 2,44 m
     Main Belt covers 100 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   13,4" / 340 mm   5,91" / 150 mm      12,6" / 320 mm
   2nd:   5,91" / 150 mm   3,94" / 100 mm      4,72" / 120 mm
   3rd:   1,00" / 25 mm         -         1,00" / 25 mm
   4th:   0,39" / 10 mm         -               -
   5th:   0,39" / 10 mm         -               -

   - Armoured deck - single deck:
   For and Aft decks: 3,35" / 85 mm
   Forecastle: 1,57" / 40 mm  Quarter deck: 1,57" / 40 mm

   - Conning towers: Forward 11,81" / 300 mm, Aft 5,91" / 150 mm

Machinery:
   Oil fired boilers, steam turbines,
   Electric motors, 4 shafts, 48 000 shp / 35 808 Kw = 24,02 kts
   Range 7 825nm at 12,00 kts
   Bunker at max displacement = 1 842 tons

Complement:
   848 - 1 103

Cost:
   £1,557 million / $6,229 million

Distribution of weights at normal displacement:
   Armament: 1 471 tons, 7,3 %
      - Guns: 1 471 tons, 7,3 %
   Armour: 7 414 tons, 36,6 %
      - Belts: 3 584 tons, 17,7 %
      - Armament: 1 599 tons, 7,9 %
      - Armour Deck: 1 948 tons, 9,6 %
      - Conning Towers: 284 tons, 1,4 %
   Machinery: 1 536 tons, 7,6 %
   Hull, fittings & equipment: 6 718 tons, 33,2 %
   Fuel, ammunition & stores: 2 055 tons, 10,1 %
   Miscellaneous weights: 1 060 tons, 5,2 %
      - Hull below water: 420 tons
      - Hull above water: 120 tons
      - On freeboard deck: 320 tons
      - Above deck: 200 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     35 171 lbs / 15 953 Kg = 28,6 x 13,5 " / 343 mm shells or 4,0 torpedoes
   Stability (Unstable if below 1.00): 1,24
   Metacentric height 5,8 ft / 1,8 m
   Roll period: 14,8 seconds
   Steadiness   - As gun platform (Average = 50 %): 61 %
         - Recoil effect (Restricted arc if above 1.00): 0,52
   Seaboat quality  (Average = 1.00): 1,22

Hull form characteristics:
   Hull has raised forecastle,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0,636 / 0,640
   Length to Beam Ratio: 6,51 : 1
   'Natural speed' for length: 23,52 kts
   Power going to wave formation at top speed: 52 %
   Trim (Max stability = 0, Max steadiness = 100): 50
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20,00 %,  26,44 ft / 8,06 m,  22,83 ft / 6,96 m
      - Forward deck:   30,00 %,  19,88 ft / 6,06 m,  17,09 ft / 5,21 m
      - Aft deck:   30,00 %,  17,09 ft / 5,21 m,  17,09 ft / 5,21 m
      - Quarter deck:   20,00 %,  17,09 ft / 5,21 m,  17,09 ft / 5,21 m
      - Average freeboard:      18,95 ft / 5,78 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 60,7 %
      - Above water (accommodation/working, high = better): 142,1 %
   Waterplane Area: 35 548 Square feet or 3 303 Square metres
   Displacement factor (Displacement / loading): 111 %
   Structure weight / hull surface area: 151 lbs/sq ft or 740 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,95
      - Longitudinal: 1,57
      - Overall: 1,00
   Excellent machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Good seaboat, rides out heavy weather easily

Misc Weight 1060t:
150t fire control
25t for LR Marconi
150t for Climatisation
150t for extra pump installation
384t for electric drive
20t for 4TTx450+5 reloads
181t reserved
----------------------------


BB319420t => 18200tReconstruction 18200t-24kts
19420x 0,2$x0,23,8840
tonnagecoef$BP
new guns487t2$ => 1BP0,9740,487
new mounts973t1$ => 1BP0,9730,973
new armour1598t1$ => 1BP1,5981,598
new engines1536t2$ => 1BP3,0721,536
25%engineselec motors384t2$ => 1BP0,7680,384
new belt516t1$ => 1BP0,5160,516
new deck406t1$ => 1BP0,4060,406
12,1915,9
old guns467t15%0,070,07
old mounts931t15%0,139650,13965
old belt2042t15%00
old deck1542t15%00
old engines4558t15%0,68370,6837
0,893350,89335
Final cost12,191- 0,89335  =>11,297$
Final cost5,9 - 0,89335   =>5,006BP

-------------------------

Original built:

Kilkis - Lemnos, Byzantine Empire BB3 laid down 1900

Displacement:
   19 420 t light; 20 417 t standard; 21 442 t normal; 22 261 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (553,00 ft / 553,00 ft) x 85,00 ft x (25,10 / 25,91 ft)
   (168,55 m / 168,55 m) x 25,91 m  x (7,65 / 7,90 m)

Armament:
      6 - 13,50" / 343 mm 40,0 cal guns - 1 179,03lbs / 534,80kg shells, 100 per gun
     Breech loading guns in turret on barbette mounts, 1900 Model
     3 x Twin mounts on centreline ends, majority forward
      8 - 7,50" / 191 mm 45,0 cal guns - 212,75lbs / 96,50kg shells, 140 per gun
     Breech loading guns in casemate mounts, 1900 Model
     8 x Single mounts on sides, evenly spread
      12 - 4,00" / 102 mm 45,0 cal guns - 32,28lbs / 14,64kg shells, 200 per gun
     Quick firing guns in casemate mounts, 1900 Model
     12 x Single mounts on sides, evenly spread
      12 raised mounts
      4 - 0,30" / 7,7 mm 93,0 cal guns - 0,02lbs / 0,01kg shells, 2 000 per gun
     Quick firing guns in deck mounts, 1900 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      Weight of broadside 9 164 lbs / 4 157 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   11,8" / 300 mm   360,00 ft / 109,73 m   11,00 ft / 3,35 m
   Ends:   4,72" / 120 mm   193,00 ft / 58,83 m   10,00 ft / 3,05 m
   Upper:   5,50" / 140 mm   360,00 ft / 109,73 m   8,00 ft / 2,44 m
     Main Belt covers 100 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   13,4" / 340 mm   5,92" / 150 mm      12,6" / 320 mm
   2nd:   5,92" / 150 mm   3,95" / 100 mm      4,72" / 120 mm
   3rd:   1,00" / 25 mm         -         1,00" / 25 mm
   5th:   0,50" / 13 mm         -               -

   - Armoured deck - single deck:
   For and Aft decks: 2,55" / 65 mm
   Forecastle: 1,58" / 40 mm  Quarter deck: 1,58" / 40 mm

   - Conning towers: Forward 11,81" / 300 mm, Aft 5,90" / 150 mm

Machinery:
   Coal and oil fired boilers, complex reciprocating steam engines,
   Direct drive, 4 shafts, 29 460 ihp / 21 977 Kw = 21,02 kts
   Range 4 500nm at 10,00 kts
   Bunker at max displacement = 1 845 tons (90% coal)

Complement:
   885 - 1 151

Cost:
   £2,003 million / $8,012 million

Distribution of weights at normal displacement:
   Armament: 1 398 tons, 6,5 %
      - Guns: 1 398 tons, 6,5 %
   Armour: 6 412 tons, 29,9 %
      - Belts: 3 071 tons, 14,3 %
      - Armament: 1 504 tons, 7,0 %
      - Armour Deck: 1 542 tons, 7,2 %
      - Conning Towers: 294 tons, 1,4 %
   Machinery: 4 558 tons, 21,3 %
   Hull, fittings & equipment: 6 457 tons, 30,1 %
   Fuel, ammunition & stores: 2 022 tons, 9,4 %
   Miscellaneous weights: 595 tons, 2,8 %
      - Hull below water: 20 tons
      - Hull above water: 200 tons
      - On freeboard deck: 100 tons
      - Above deck: 275 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     21 858 lbs / 9 915 Kg = 17,8 x 13,5 " / 343 mm shells or 2,2 torpedoes
   Stability (Unstable if below 1.00): 1,33
   Metacentric height 6,5 ft / 2,0 m
   Roll period: 14,0 seconds
   Steadiness   - As gun platform (Average = 50 %): 72 %
         - Recoil effect (Restricted arc if above 1.00): 0,44
   Seaboat quality  (Average = 1.00): 1,44

Hull form characteristics:
   Hull has a flush deck,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0,636 / 0,640
   Length to Beam Ratio: 6,51 : 1
   'Natural speed' for length: 23,52 kts
   Power going to wave formation at top speed: 45 %
   Trim (Max stability = 0, Max steadiness = 100): 50
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20,00 %,  21,20 ft / 6,46 m,  17,60 ft / 5,36 m
      - Forward deck:   30,00 %,  17,60 ft / 5,36 m,  15,80 ft / 4,82 m
      - Aft deck:   30,00 %,  15,80 ft / 4,82 m,  15,80 ft / 4,82 m
      - Quarter deck:   20,00 %,  15,80 ft / 4,82 m,  15,80 ft / 4,82 m
      - Average freeboard:      16,72 ft / 5,10 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 99,8 %
      - Above water (accommodation/working, high = better): 124,3 %
   Waterplane Area: 35 548 Square feet or 3 303 Square metres
   Displacement factor (Displacement / loading): 95 %
   Structure weight / hull surface area: 147 lbs/sq ft or 716 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,97
      - Longitudinal: 1,30
      - Overall: 1,00
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform
   Good seaboat, rides out heavy weather easily

Misc Weight 595t:
250t fire control
100t for extra pump installation
100t for climatization
25t for long range wireless
20t for 4TTx450+5 reloads

1906 refit
50t for new 1906 13"5/40
50t reserved

Title: Re: Byzantine Empire 1925...
Post by: Jefgte on April 23, 2023, 04:02:39 PM
Byzantium reflects on its future destroyers.

Last class: LD 1923:
D11 - 1500t - 4x120+1x76.2+8TTx533 - 32kts - 7500nm@12kts

LD 1926:
Fleet destroyer?
D12 - 1650t - 3T2x120+1x76.2+12TTx533 - 32kts - 8000nm@12kts
(50% stronger than D11 class).
or Super Destroyer?
SD12 - 1600t - 4x140+1x76.2+8TTx533 - 32kts - 8000nm@12kts
(Some countries use 140mm guns on their destroyer).
or Economical destroyers?
D12 - 1350t - 2T2x120+1x76.2+8TTx533 - 32kts - 8000nm@12kts
TGB - 1000t - 2T2x120+1x76.2+4TTx533 - 27kts - 6000nm@12kts
Title: Re: Byzantine Empire 1925...
Post by: Kaiser Kirk on April 23, 2023, 08:40:37 PM
I expect I'll be building the  Leopard ~1500 ton Oceanic DD and Wolf  ~ 1100 ton Fleet DD for a while.
I'm already on version II of each. But I need numbers more than big individual hulls.

I see you're not planning a 2000 tonner either. I'll be curious where folks push the DD envelope,
I could see a Porter style flotilla leader in my future, but only after I replace my <1000 ton
DDs in the fleet lineups.

At 12 knots the Palangs can cover 9200nm, but normally run at 16.
That means they have sufficient range at fleet cruise (14) +2 for trans-oceanic,
which is the primary reason for their size difference.  Also my ports tend to be 2200nm apart,
so a minimum of 4400nm is required to go there, find the port is not available or has fallen, and return to where I came from,
or continue on to the next.

D12/SD12
The 140mms are good guns, but I think 6x 120 is better than 4x 140...probably.
Even after the ROF penalty for twins or two-gun 120s they probably put a fair bit more shells out than the 4x1 140.
First couple of hits can matter.




Title: Re: Byzantine Empire 1925...
Post by: Jefgte on April 24, 2023, 03:13:30 AM
Quote...But I need numbers more than big individual hulls...

=> With colonies all over the world.

Quote...D12/SD12
The 140mms are good guns, but I think 6x 120 is better than 4x 140...probably.
Even after the ROF penalty for twins or two-gun 120s they probably put a fair bit more shells out than the 4x1 140...

ROF is better with 6x120 - range 15000m, than 4x140 - range 16000m.

I think the same.
-------------------
For memory, Byzance in 1926H1
64 DD from 1000t to 1500t - 30 to 32kts
51 TGB (DE) from 500 to 800t - 25kts
96 TB (coastal works) from 400t to 750t - 28 to 30kts
Title: Re: Byzantine Empire 1925...
Post by: The Rock Doctor on April 24, 2023, 04:33:58 PM
I might get to 2,000 t, but I'm pretty satisfied with my U-class (1,883 t) at the moment and might just iterate versions of that for a while.

Smaller second-class destroyers aren't in the works right now.  I'll soon have access to 80 t MTB and they will likely become the primary striking element of the Swarm rather than old destroyers.  Purpose-built sloops are doing the trade protection thing instead.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on April 28, 2023, 11:32:01 AM
Update D11 class (1500t - 4x120+8TTx533-32kts-7500nm-12kts)
to D12 class - 1600t - 3T2x120+12TTx533-32kts-8500nm-12kts)
Not too heavy, always 32kts, range increase by 1000nm & 50% more powerful.

D12, Byzantine Empire Improved D11 laid down 1926

Displacement:
   1 600 t light; 1 681 t standard; 1 938 t normal; 2 143 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (370,71 ft / 367,45 ft) x 35,66 ft x (12,78 / 13,67 ft)
   (112,99 m / 112,00 m) x 10,87 m  x (3,90 / 4,17 m)

Armament:
      6 - 4,72" / 120 mm 45,0 cal guns - 50,00lbs / 22,68kg shells, 200 per gun
     Quick firing guns in deck mounts, 1926 Model
     3 x Twin mounts on centreline ends, majority aft
      1 raised mount aft - superfiring
      1 - 3,00" / 76,2 mm 45,0 cal gun - 12,50lbs / 5,67kg shells, 250 per gun
     Anti-air gun in deck mount, 1926 Model
     1 x Single mount on centreline, forward deck aft
      1 raised mount
      4 - 1,85" / 47,0 mm 50,0 cal guns - 3,00lbs / 1,36kg shells, 1 000 per gun
     Quick firing guns in deck mounts, 1926 Model
     4 x Single mounts on sides, forward deck aft
      4 raised mounts
      2 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 4 000 per gun
     Machine guns in deck mounts, 1926 Model
     2 x Single mounts on sides, forward deck forward
      Weight of broadside 325 lbs / 147 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 36 300 shp / 27 080 Kw = 32,10 kts
   Range 8 500nm at 12,00 kts
   Bunker at max displacement = 463 tons

Complement:
   145 - 189

Cost:
   £0,720 million / $2,879 million

Distribution of weights at normal displacement:
   Armament: 52 tons, 2,7 %
      - Guns: 52 tons, 2,7 %
   Armour: 9 tons, 0,5 %
      - Armament: 9 tons, 0,5 %
   Machinery: 968 tons, 50,0 %
   Hull, fittings & equipment: 454 tons, 23,4 %
   Fuel, ammunition & stores: 338 tons, 17,4 %
   Miscellaneous weights: 116 tons, 6,0 %
      - Hull above water: 6 tons
      - On freeboard deck: 80 tons
      - Above deck: 30 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     524 lbs / 238 Kg = 10,0 x 4,7 " / 120 mm shells or 0,3 torpedoes
   Stability (Unstable if below 1.00): 1,23
   Metacentric height 1,6 ft / 0,5 m
   Roll period: 12,0 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,29
   Seaboat quality  (Average = 1.00): 1,03

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,405 / 0,419
   Length to Beam Ratio: 10,30 : 1
   'Natural speed' for length: 19,17 kts
   Power going to wave formation at top speed: 64 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 10,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  18,44 ft / 5,62 m,  15,81 ft / 4,82 m
      - Forward deck:   32,50 %,  15,81 ft / 4,82 m,  12,86 ft / 3,92 m
      - Aft deck:   32,50 %,  12,86 ft / 3,92 m,  12,53 ft / 3,82 m
      - Quarter deck:   17,50 %,  12,53 ft / 3,82 m,  12,53 ft / 3,82 m
      - Average freeboard:      13,93 ft / 4,25 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 171,3 %
      - Above water (accommodation/working, high = better): 143,7 %
   Waterplane Area: 8 090 Square feet or 752 Square metres
   Displacement factor (Displacement / loading): 74 %
   Structure weight / hull surface area: 33 lbs/sq ft or 159 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 1,30
      - Overall: 0,55
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

5t for 1924 top mast rangefinder
25t for LR marconi
6t for climatisation
48t for 4x3TTx533HW
15t for improved Hydrophone
5t for 50x90DC
12t reserved for new material, armament, minen.

4350nm@16kts
Trial speed: 32,5kts
Bonus: 0.51
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on April 28, 2023, 05:22:24 PM
More economical than D12-1600t.

D1200, Byzantine Empire D1200 laid down 1926

Displacement:
   1 200 t light; 1 256 t standard; 1 433 t normal; 1 574 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (337,86 ft / 334,65 ft) x 33,46 ft x (11,19 / 11,91 ft)
   (102,98 m / 102,00 m) x 10,20 m  x (3,41 / 3,63 m)

Armament:
      4 - 4,72" / 120 mm 45,0 cal guns - 50,00lbs / 22,68kg shells, 200 per gun
     Quick firing guns in deck mounts, 1926 Model
     2 x 2-gun mounts on centreline ends, evenly spread
      1 - 3,00" / 76,2 mm 45,0 cal gun - 12,50lbs / 5,67kg shells, 250 per gun
     Anti-air gun in deck mount, 1926 Model
     1 x Single mount on centreline, forward deck aft
      1 raised mount
      2 - 1,85" / 47,0 mm 50,0 cal guns - 3,00lbs / 1,36kg shells, 1 000 per gun
     Quick firing guns in deck mounts, 1926 Model
     2 x Single mounts on sides, forward deck aft
      2 raised mounts
      2 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 4 000 per gun
     Machine guns in deck mounts, 1926 Model
     2 x Single mounts on sides, forward deck forward
      Weight of broadside 219 lbs / 99 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 28 800 shp / 21 485 Kw = 31,41 kts
   Range 7 000nm at 12,00 kts
   Bunker at max displacement = 318 tons

Complement:
   116 - 151

Cost:
   £0,530 million / $2,121 million

Distribution of weights at normal displacement:
   Armament: 42 tons, 2,9 %
      - Guns: 42 tons, 2,9 %
   Armour: 7 tons, 0,5 %
      - Armament: 7 tons, 0,5 %
   Machinery: 716 tons, 50,0 %
   Hull, fittings & equipment: 351 tons, 24,5 %
   Fuel, ammunition & stores: 232 tons, 16,2 %
   Miscellaneous weights: 85 tons, 5,9 %
      - Hull above water: 5 tons
      - On freeboard deck: 51 tons
      - Above deck: 29 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     417 lbs / 189 Kg = 7,9 x 4,7 " / 120 mm shells or 0,3 torpedoes
   Stability (Unstable if below 1.00): 1,23
   Metacentric height 1,4 ft / 0,4 m
   Roll period: 11,8 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,21
   Seaboat quality  (Average = 1.00): 1,03

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,400 / 0,413
   Length to Beam Ratio: 10,00 : 1
   'Natural speed' for length: 18,29 kts
   Power going to wave formation at top speed: 65 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 10,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  18,21 ft / 5,55 m,  15,26 ft / 4,65 m
      - Forward deck:   32,50 %,  15,26 ft / 4,65 m,  11,98 ft / 3,65 m
      - Aft deck:   32,50 %,  11,98 ft / 3,65 m,  11,98 ft / 3,65 m
      - Quarter deck:   17,50 %,  11,98 ft / 3,65 m,  11,98 ft / 3,65 m
      - Average freeboard:      13,29 ft / 4,05 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 170,4 %
      - Above water (accommodation/working, high = better): 144,8 %
   Waterplane Area: 6 893 Square feet or 640 Square metres
   Displacement factor (Displacement / loading): 70 %
   Structure weight / hull surface area: 30 lbs/sq ft or 146 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 1,46
      - Overall: 0,55
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

4t for1924 top mast rangefinder
25t for LR marconi
16t for 1x4TTx533HW
5t for climatisation
15t for improved Hydrophone
5t for 50x90 DC
10t reserved for new material, armament, minen.

Trial speed: 32kts
Bonus: 0.54
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on April 30, 2023, 12:41:47 AM
D1200 is a little small. I add 50t to have better DD for colonial works

D1250, Byzantine Empire D12 laid down 1926

Displacement:
   1 250 t light; 1 311 t standard; 1 491 t normal; 1 636 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (337,86 ft / 334,65 ft) x 33,46 ft x (11,65 / 12,39 ft)
   (102,98 m / 102,00 m) x 10,20 m  x (3,55 / 3,78 m)

Armament:
      4 - 4,72" / 120 mm 45,0 cal guns - 50,00lbs / 22,68kg shells, 200 per gun
     Quick firing guns in deck mounts, 1926 Model
     2 x 2-gun mounts on centreline ends, evenly spread
      1 - 3,00" / 76,2 mm 45,0 cal gun - 12,50lbs / 5,67kg shells, 250 per gun
     Anti-air gun in deck mount, 1926 Model
     1 x Single mount on centreline, forward deck aft
      1 raised mount
      4 - 1,85" / 47,0 mm 50,0 cal guns - 3,00lbs / 1,36kg shells, 1 000 per gun
     Quick firing guns in deck mounts, 1926 Model
     4 x Single mounts on sides, forward deck aft
      2 raised mounts - superfiring
      2 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 4 000 per gun
     Machine guns in deck mounts, 1926 Model
     2 x Single mounts on sides, forward deck forward
      Weight of broadside 225 lbs / 102 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 30 000 shp / 22 380 Kw = 31,52 kts
   Range 7 000nm at 12,00 kts
   Bunker at max displacement = 326 tons

Complement:
   119 - 156

Cost:
   £0,553 million / $2,211 million

Distribution of weights at normal displacement:
   Armament: 43 tons, 2,9 %
      - Guns: 43 tons, 2,9 %
   Armour: 8 tons, 0,6 %
      - Armament: 8 tons, 0,6 %
   Machinery: 746 tons, 50,0 %
   Hull, fittings & equipment: 357 tons, 23,9 %
   Fuel, ammunition & stores: 241 tons, 16,2 %
   Miscellaneous weights: 95 tons, 6,4 %
      - Hull above water: 5 tons
      - On freeboard deck: 61 tons
      - Above deck: 29 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     420 lbs / 190 Kg = 8,0 x 4,7 " / 120 mm shells or 0,3 torpedoes
   Stability (Unstable if below 1.00): 1,22
   Metacentric height 1,4 ft / 0,4 m
   Roll period: 11,9 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,21
   Seaboat quality  (Average = 1.00): 1,01

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,400 / 0,413
   Length to Beam Ratio: 10,00 : 1
   'Natural speed' for length: 18,29 kts
   Power going to wave formation at top speed: 65 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 10,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  18,21 ft / 5,55 m,  15,26 ft / 4,65 m
      - Forward deck:   32,50 %,  15,26 ft / 4,65 m,  11,98 ft / 3,65 m
      - Aft deck:   32,50 %,  11,98 ft / 3,65 m,  11,98 ft / 3,65 m
      - Quarter deck:   17,50 %,  11,98 ft / 3,65 m,  11,98 ft / 3,65 m
      - Average freeboard:      13,29 ft / 4,05 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 170,8 %
      - Above water (accommodation/working, high = better): 141,2 %
   Waterplane Area: 6 893 Square feet or 640 Square metres
   Displacement factor (Displacement / loading): 70 %
   Structure weight / hull surface area: 30 lbs/sq ft or 148 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 1,48
      - Overall: 0,55
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

4t for1924 top mast rangefinder
25t for LR marconi
24t for 2x3TTx533HW
5t for climatisation
15t for improved Hydrophone
5t for 50x90 DC
12t reserved for new material, armament, minen.

Trial speed: 32.5kts
Bonus: 0.98

4270nm-15kts
2100nm-20kts


Title: Re: Byzantine Empire 1925...
Post by: Jefgte on May 01, 2023, 09:35:31 AM
Successor to the 32 x 500t Mayyun class - 1923 - 1925

Hanish class, Byzantine Empire T500 laid down 1926

Displacement:
   500 t light; 522 t standard; 561 t normal; 591 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (244,06 ft / 242,78 ft) x 24,05 ft x (8,40 / 8,70 ft)
   (74,39 m / 74,00 m) x 7,33 m  x (2,56 / 2,65 m)

Armament:
      2 - 4,00" / 102 mm 45,0 cal guns - 33,00lbs / 14,97kg shells, 200 per gun
     Quick firing guns in deck mounts, 1926 Model
     2 x Single mounts on centreline ends, evenly spread
      2 - 1,85" / 47,0 mm 50,0 cal guns - 3,00lbs / 1,36kg shells, 1 000 per gun
     Quick firing guns in deck mounts, 1926 Model
     2 x Single mounts on sides, forward deck aft
      2 raised mounts
      2 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 4 000 per gun
     Machine guns in deck mounts, 1926 Model
     2 x Single mounts on sides, forward deck forward
      2 raised mounts
      Weight of broadside 72 lbs / 33 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 14 500 shp / 10 817 Kw = 29,47 kts
   Range 3 900nm at 10,00 kts
   Bunker at max displacement = 69 tons

Complement:
   56 - 74

Cost:
   £0,208 million / $0,833 million

Distribution of weights at normal displacement:
   Armament: 13 tons, 2,4 %
      - Guns: 13 tons, 2,4 %
   Armour: 6 tons, 1,0 %
      - Armament: 6 tons, 1,0 %
   Machinery: 280 tons, 50,0 %
   Hull, fittings & equipment: 174 tons, 31,0 %
   Fuel, ammunition & stores: 60 tons, 10,8 %
   Miscellaneous weights: 27 tons, 4,8 %
      - On freeboard deck: 26 tons
      - Above deck: 1 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     182 lbs / 82 Kg = 5,7 x 4,0 " / 102 mm shells or 0,2 torpedoes
   Stability (Unstable if below 1.00): 1,09
   Metacentric height 0,7 ft / 0,2 m
   Roll period: 12,1 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,27
   Seaboat quality  (Average = 1.00): 1,01

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,400 / 0,407
   Length to Beam Ratio: 10,10 : 1
   'Natural speed' for length: 15,58 kts
   Power going to wave formation at top speed: 69 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 5,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  14,63 ft / 4,46 m,  12,66 ft / 3,86 m
      - Forward deck:   33,00 %,  12,66 ft / 3,86 m,  10,37 ft / 3,16 m
      - Aft deck:   33,00 %,  10,37 ft / 3,16 m,  10,37 ft / 3,16 m
      - Quarter deck:   16,00 %,  10,37 ft / 3,16 m,  11,02 ft / 3,36 m
      - Average freeboard:      11,35 ft / 3,46 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 168,8 %
      - Above water (accommodation/working, high = better): 133,8 %
   Waterplane Area: 3 594 Square feet or 334 Square metres
   Displacement factor (Displacement / loading): 56 %
   Structure weight / hull surface area: 24 lbs/sq ft or 116 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 2,79
      - Overall: 0,59
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

1t for top fire control
24t for 2x3TTx533 HW
2t engines ventillation

216nm@29kts
587nm@21kts
4900nm@9kts
Trial speed: 32kts
Bonus: 2.54

Title: Re: Byzantine Empire 1925...
Post by: Jefgte on May 03, 2023, 02:58:14 PM
The first Flat Deck for Byzance.

Flat Deck, Byzantine Empire 10000t Flat Deck laid down 1926

Displacement:
   10 000 t light; 10 288 t standard; 11 182 t normal; 11 898 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (572,94 ft / 570,87 ft) x 71,39 ft x (18,29 / 19,19 ft)
   (174,63 m / 174,00 m) x 21,76 m  x (5,58 / 5,85 m)

Armament:
      8 - 4,72" / 120 mm 45,0 cal guns - 50,00lbs / 22,68kg shells, 200 per gun
     Breech loading guns in deck mounts, 1926 Model
     4 x 2-gun mounts on side ends, evenly spread
      4 - 3,00" / 76,2 mm 45,0 cal guns - 12,50lbs / 5,67kg shells, 240 per gun
     Anti-air guns in deck mounts, 1926 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      8 - 1,85" / 47,0 mm 50,0 cal guns - 3,00lbs / 1,36kg shells, 1 000 per gun
     Anti-air guns in deck mounts, 1926 Model
     8 x Single mounts on sides, evenly spread
      8 raised mounts
      Weight of broadside 474 lbs / 215 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -

   - Box over machinery & magazines:
   1,77" / 45 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 65 000 shp / 48 490 Kw = 29,01 kts
   Range 10 000nm at 12,00 kts
   Bunker at max displacement = 1 610 tons

Complement:
   543 - 706

Cost:
   £2,301 million / $9,204 million

Distribution of weights at normal displacement:
   Armament: 83 tons, 0,7 %
      - Guns: 83 tons, 0,7 %
   Armour: 683 tons, 6,1 %
      - Armament: 8 tons, 0,1 %
      - Armour Deck: 675 tons, 6,0 %
   Machinery: 2 081 tons, 18,6 %
   Hull, fittings & equipment: 4 891 tons, 43,7 %
   Fuel, ammunition & stores: 1 182 tons, 10,6 %
   Miscellaneous weights: 2 263 tons, 20,2 %
      - Hull below water: 40 tons
      - Hull above water: 1 150 tons
      - On freeboard deck: 1 040 tons
      - Above deck: 33 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     27 645 lbs / 12 540 Kg = 524,3 x 4,7 " / 120 mm shells or 2,7 torpedoes
   Stability (Unstable if below 1.00): 1,10
   Metacentric height 3,6 ft / 1,1 m
   Roll period: 15,8 seconds
   Steadiness   - As gun platform (Average = 50 %): 96 %
         - Recoil effect (Restricted arc if above 1.00): 0,09
   Seaboat quality  (Average = 1.00): 2,00

Hull form characteristics:
   Hull has low forecastle, low quarterdeck ,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,525 / 0,532
   Length to Beam Ratio: 8,00 : 1
   'Natural speed' for length: 23,89 kts
   Power going to wave formation at top speed: 55 %
   Trim (Max stability = 0, Max steadiness = 100): 48
   Bow angle (Positive = bow angles forward): 6,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   12,00 %,  19,69 ft / 6,00 m,  16,40 ft / 5,00 m
      - Forward deck:   40,00 %,  36,09 ft / 11,00 m,  36,09 ft / 11,00 m
      - Aft deck:   40,00 %,  36,09 ft / 11,00 m,  36,09 ft / 11,00 m
      - Quarter deck:   8,00 %,  16,40 ft / 5,00 m,  16,40 ft / 5,00 m
      - Average freeboard:      32,31 ft / 9,85 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 75,2 %
      - Above water (accommodation/working, high = better): 351,3 %
   Waterplane Area: 27 786 Square feet or 2 581 Square metres
   Displacement factor (Displacement / loading): 152 %
   Structure weight / hull surface area: 95 lbs/sq ft or 462 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,84
      - Longitudinal: 4,45
      - Overall: 1,00
   Excellent machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform
   Excellent seaboat, comfortable, can fire her guns in the heaviest weather

misc weight:
AD:25t for LR Marconi
8t for 1924 fire control

18 to 24 aircrafts max:
OD:960t for 12 aircrafts
HAW:960t for 12 aircrafts
40t for climatisation
100t for aircrafts spare parts
HBW:40t for additionnal pumps
100t reserved for  material...


Title: Re: Byzantine Empire 1925...
Post by: The Rock Doctor on May 03, 2023, 06:37:07 PM
I thought you'd already built a carrier?
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on May 04, 2023, 02:24:56 AM
QuoteI thought you'd already built a carrier?

I built 4 Seaplane Carriers in 1919.
=>  Land trials, recent advances in aviation, bombing, torpedoing, hunting, as well as the emergence of aircraft carriers in other countries, necessitate the building of experimental aircraft carriers for Byzantium.

=> This will cause increased Anti Aircraft guns on ships in the fleet in the next years.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on May 10, 2023, 11:05:40 AM
D12, Byzantine Empire Marmara class laid down 1926

Displacement:
   1 550 t light; 1 629 t standard; 1 851 t normal; 2 029 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (383,17 ft / 380,58 ft) x 36,48 ft x (11,67 / 12,39 ft)
   (116,79 m / 116,00 m) x 11,12 m  x (3,56 / 3,78 m)

Armament:
      6 - 4,72" / 120 mm 45,0 cal guns - 50,00lbs / 22,68kg shells, 200 per gun
     Quick firing guns in deck mounts, 1926 Model
     3 x 2-gun mounts on centreline ends, majority aft
      1 raised mount aft - superfiring
      1 - 3,00" / 76,2 mm 45,0 cal gun - 12,50lbs / 5,67kg shells, 250 per gun
     Anti-air gun in deck mount, 1926 Model
     1 x Single mount on centreline, forward deck aft
      1 raised mount
      4 - 1,85" / 47,0 mm 50,0 cal guns - 3,00lbs / 1,36kg shells, 1 000 per gun
     Quick firing guns in deck mounts, 1926 Model
     4 x Single mounts on sides, forward deck aft
      4 raised mounts
      2 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 2 000 per gun
     Machine guns in deck mounts, 1926 Model
     2 x Single mounts on sides, forward deck forward
      Weight of broadside 325 lbs / 147 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 35 350 shp / 26 371 Kw = 32,30 kts
   Range 7 500nm at 12,00 kts
   Bunker at max displacement = 400 tons

Complement:
   140 - 183

Cost:
   £0,693 million / $2,774 million

Distribution of weights at normal displacement:
   Armament: 62 tons, 3,3 %
      - Guns: 62 tons, 3,3 %
   Armour: 9 tons, 0,5 %
      - Armament: 9 tons, 0,5 %
   Machinery: 926 tons, 50,0 %
   Hull, fittings & equipment: 442 tons, 23,9 %
   Fuel, ammunition & stores: 301 tons, 16,3 %
   Miscellaneous weights: 111 tons, 6,0 %
      - On freeboard deck: 80 tons
      - Above deck: 31 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     516 lbs / 234 Kg = 9,8 x 4,7 " / 120 mm shells or 0,3 torpedoes
   Stability (Unstable if below 1.00): 1,24
   Metacentric height 1,6 ft / 0,5 m
   Roll period: 12,0 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,26
   Seaboat quality  (Average = 1.00): 1,02

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,400 / 0,413
   Length to Beam Ratio: 10,43 : 1
   'Natural speed' for length: 19,51 kts
   Power going to wave formation at top speed: 62 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 8,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  18,45 ft / 5,63 m,  15,17 ft / 4,63 m
      - Forward deck:   32,50 %,  15,17 ft / 4,63 m,  12,55 ft / 3,83 m
      - Aft deck:   32,50 %,  12,55 ft / 3,83 m,  12,55 ft / 3,83 m
      - Quarter deck:   17,50 %,  12,55 ft / 3,83 m,  13,21 ft / 4,03 m
      - Average freeboard:      13,72 ft / 4,18 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 171,6 %
      - Above water (accommodation/working, high = better): 153,6 %
   Waterplane Area: 8 547 Square feet or 794 Square metres
   Displacement factor (Displacement / loading): 73 %
   Structure weight / hull surface area: 32 lbs/sq ft or 158 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 1,09
      - Overall: 0,54
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

32t for 8TT x 533 HW
6t for 1918 top mast rangefinder
25t for LR marconi
6t for additionnal engines ventillation
15t for improved Hydrophone
5t for 50x90DC
34t reserved for new material, armament, minen.

Trial speed: 33kts
Bonus: 0.7

Title: Re: Byzantine Empire 1925...
Post by: Jefgte on May 14, 2023, 12:59:38 AM
To face the powerful cruisers of 8000/10000 t, Byzantium chose the double mountings on its new cruisers.
the 6000t - C9 from 1922 with 6M1x191 - ABC---XYZ
will be followed by the 8000t - C11 with 6M2x191 - ABC---XYZ.
A simple and logical evolution.

Lamia - Larisa, Byzantine Empire C11 laid down 1926

Displacement:
   8 000 t light; 8 452 t standard; 9 238 t normal; 9 866 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (547,60 ft / 544,62 ft) x 61,88 ft x (19,66 / 20,65 ft)
   (166,91 m / 166,00 m) x 18,86 m  x (5,99 / 6,29 m)

Armament:
      12 - 7,52" / 191 mm 45,0 cal guns - 200,00lbs / 90,72kg shells, 160 per gun
     Breech loading guns in deck and hoist mounts, 1926 Model
     6 x 2-gun mounts on centreline ends, evenly spread
      2 raised mounts - superfiring
      8 - 4,72" / 120 mm 45,0 cal guns - 50,00lbs / 22,68kg shells, 200 per gun
     Breech loading guns in deck and hoist mounts, 1926 Model
     4 x 2-gun mounts on sides, evenly spread
      2 - 3,00" / 76,2 mm 45,0 cal guns - 12,50lbs / 5,67kg shells, 250 per gun
     Anti-air guns in deck mounts, 1926 Model
     2 x Single mounts on sides, forward deck aft
      2 raised mounts
      4 - 1,85" / 47,0 mm 45,0 cal guns - 3,00lbs / 1,36kg shells, 1 000 per gun
     Quick firing guns in deck mounts, 1926 Model
     4 x Single mounts on sides, forward evenly spread
      4 raised mounts
      4 - 0,30" / 7,6 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 4 000 per gun
     Machine guns in deck mounts, 1926 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      Weight of broadside 2 837 lbs / 1 287 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   3,94" / 100 mm   367,45 ft / 112,00 m   9,84 ft / 3,00 m
   Ends:   1,38" / 35 mm   177,17 ft / 54,00 m   7,87 ft / 2,40 m
     Main Belt covers 104 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   5,51" / 140 mm   0,98" / 25 mm      1,97" / 50 mm
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -
   5th:   0,39" / 10 mm         -               -

   - Protected deck - single deck:
   For and Aft decks: 1,77" / 45 mm
   Forecastle: 1,18" / 30 mm  Quarter deck: 1,18" / 30 mm

   - Conning towers: Forward 3,94" / 100 mm, Aft 2,76" / 70 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 4 shafts, 65 000 shp / 48 490 Kw = 30,02 kts
   Range 10 000nm at 12,00 kts
   Bunker at max displacement = 1 414 tons

Complement:
   470 - 612

Cost:
   £2,956 million / $11,825 million

Distribution of weights at normal displacement:
   Armament: 797 tons, 8,6 %
      - Guns: 797 tons, 8,6 %
   Armour: 1 530 tons, 16,6 %
      - Belts: 657 tons, 7,1 %
      - Armament: 118 tons, 1,3 %
      - Armour Deck: 691 tons, 7,5 %
      - Conning Towers: 63 tons, 0,7 %
   Machinery: 2 081 tons, 22,5 %
   Hull, fittings & equipment: 3 321 tons, 36,0 %
   Fuel, ammunition & stores: 1 238 tons, 13,4 %
   Miscellaneous weights: 271 tons, 2,9 %
      - Hull below water: 40 tons
      - Hull above water: 40 tons
      - On freeboard deck: 86 tons
      - Above deck: 105 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     9 826 lbs / 4 457 Kg = 46,2 x 7,5 " / 191 mm shells or 1,5 torpedoes
   Stability (Unstable if below 1.00): 1,04
   Metacentric height 2,6 ft / 0,8 m
   Roll period: 16,1 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,80
   Seaboat quality  (Average = 1.00): 1,06

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,488 / 0,496
   Length to Beam Ratio: 8,80 : 1
   'Natural speed' for length: 23,34 kts
   Power going to wave formation at top speed: 56 %
   Trim (Max stability = 0, Max steadiness = 100): 67
   Bow angle (Positive = bow angles forward): 7,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,00 %,  24,28 ft / 7,40 m,  20,67 ft / 6,30 m
      - Forward deck:   34,00 %,  20,67 ft / 6,30 m,  17,06 ft / 5,20 m
      - Aft deck:   33,00 %,  17,06 ft / 5,20 m,  16,40 ft / 5,00 m
      - Quarter deck:   16,00 %,  16,40 ft / 5,00 m,  16,40 ft / 5,00 m
      - Average freeboard:      18,32 ft / 5,58 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 103,0 %
      - Above water (accommodation/working, high = better): 160,4 %
   Waterplane Area: 22 211 Square feet or 2 063 Square metres
   Displacement factor (Displacement / loading): 107 %
   Structure weight / hull surface area: 110 lbs/sq ft or 538 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,95
      - Longitudinal: 1,47
      - Overall: 1,00
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

25t for Long Range Marconi
80t for top mast rangefinder - FC1924
40t for climatisation
40t for additionnal pumps
32t for 2x4TTx21" HW
25t for seaplane + cata
29t reserved

Title: Re: Byzantine Empire 1925...
Post by: Jefgte on May 14, 2023, 04:19:27 PM
An interesting reduction of the 500t TB build in 50m shipyards.
Always to works in Red Sea, Aden Gulf & Egee Sea

T333, Byzantine Empire T333 laid down 1926

Displacement:
   333 t light; 342 t standard; 367 t normal; 387 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (163,64 ft / 161,75 ft) x 17,49 ft x (11,65 / 12,05 ft)
   (49,88 m / 49,30 m) x 5,33 m  x (3,55 / 3,67 m)

Armament:
      1 - 3,00" / 76,2 mm 45,0 cal gun - 13,62lbs / 6,18kg shells, 150 per gun
     Quick firing gun in deck mount, 1926 Model
     1 x Single mount on centreline, forward deck forward
      1 - 1,85" / 47,0 mm 45,0 cal gun - 3,19lbs / 1,45kg shells, 220 per gun
     Quick firing gun in deck mount, 1926 Model
     1 x Single mount on centreline, aft deck aft
      2 - 0,30" / 7,7 mm 90,0 cal guns - 0,02lbs / 0,01kg shells, 2 000 per gun
     Machine guns in deck mounts, 1926 Model
     2 x Single mounts on sides, forward deck centre
      Weight of broadside 17 lbs / 8 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,24" / 6 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 10 000 shp / 7 460 Kw = 26,98 kts
   Range 2 000nm at 12,00 kts
   Bunker at max displacement = 45 tons

Complement:
   41 - 54

Cost:
   £0,133 million / $0,531 million

Distribution of weights at normal displacement:
   Armament: 3 tons, 0,9 %
      - Guns: 3 tons, 0,9 %
   Armour: 3 tons, 0,8 %
      - Armament: 3 tons, 0,8 %
   Machinery: 185 tons, 50,4 %
   Hull, fittings & equipment: 109 tons, 29,6 %
   Fuel, ammunition & stores: 34 tons, 9,3 %
   Miscellaneous weights: 33 tons, 9,0 %
      - Hull below water: 17 tons
      - On freeboard deck: 16 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     99 lbs / 45 Kg = 7,3 x 3,0 " / 76 mm shells or 0,1 torpedoes
   Stability (Unstable if below 1.00): 1,01
   Metacentric height 0,4 ft / 0,1 m
   Roll period: 12,1 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,16
   Seaboat quality  (Average = 1.00): 1,03

Hull form characteristics:
   Hull has a flush deck,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0,390 / 0,397
   Length to Beam Ratio: 9,25 : 1
   'Natural speed' for length: 12,72 kts
   Power going to wave formation at top speed: 74 %
   Trim (Max stability = 0, Max steadiness = 100): 68
   Bow angle (Positive = bow angles forward): 8,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  13,45 ft / 4,10 m,  11,81 ft / 3,60 m
      - Forward deck:   32,50 %,  11,81 ft / 3,60 m,  9,84 ft / 3,00 m
      - Aft deck:   32,50 %,  9,84 ft / 3,00 m,  8,86 ft / 2,70 m
      - Quarter deck:   17,50 %,  8,86 ft / 2,70 m,  8,86 ft / 2,70 m
      - Average freeboard:      10,29 ft / 3,14 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 170,3 %
      - Above water (accommodation/working, high = better): 81,1 %
   Waterplane Area: 1 729 Square feet or 161 Square metres
   Displacement factor (Displacement / loading): 54 %
   Structure weight / hull surface area: 21 lbs/sq ft or 102 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 8,60
      - Overall: 0,66
   Cramped machinery, storage, compartmentation space
   Cramped accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

16 tons for 4 TTx21" HW
17t lest
Trial speed: 30.5kts
Bonus: 3.52

Title: Re: Byzantine Empire 1925...
Post by: Jefgte on June 02, 2023, 04:24:36 PM
An economic & powerful gunboat to protect colonies.

CAGB3000, Byzantine Empire Colonial Armored Gun Boat laid down 1927

Displacement:
   3 000 t light; 3 222 t standard; 3 443 t normal; 3 620 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (409,04 ft / 406,82 ft) x 49,21 ft x (12,04 / 12,50 ft)
   (124,68 m / 124,00 m) x 15,00 m  x (3,67 / 3,81 m)

Armament:
      4 - 7,50" / 191 mm 45,0 cal guns - 200,00lbs / 90,72kg shells, 160 per gun
     Breech loading guns in deck and hoist mounts, 1927 Model
     2 x 2-gun mounts on centreline ends, evenly spread
      2 - 7,50" / 191 mm 45,0 cal guns - 200,00lbs / 90,72kg shells, 150 per gun
     Breech loading guns in deck and hoist mounts, 1927 Model
     2 x Single mounts on sides, forward deck forward
      8 - 4,72" / 120 mm 45,0 cal guns - 50,00lbs / 22,68kg shells, 180 per gun
     Quick firing guns in deck mounts, 1927 Model
     8 x Single mounts on sides, evenly spread
      1 - 3,00" / 76,2 mm 45,0 cal gun - 12,50lbs / 5,67kg shells, 300 per gun
     Anti-air gun in deck mount, 1927 Model
     1 x Single mount on centreline, forward deck aft
      1 raised mount
      4 - 1,85" / 47,0 mm 45,0 cal guns - 3,00lbs / 1,36kg shells, 1 000 per gun
     Quick firing guns in deck mounts, 1927 Model
     4 x Single mounts on sides, forward evenly spread
      4 raised mounts
      Weight of broadside 1 625 lbs / 737 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   3,94" / 100 mm   265,75 ft / 81,00 m   9,19 ft / 2,80 m
   Ends:   1,18" / 30 mm   141,08 ft / 43,00 m   7,87 ft / 2,40 m
     Main Belt covers 100 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   3,94" / 100 mm   1,18" / 30 mm      1,18" / 30 mm
   2nd:   3,94" / 100 mm   1,18" / 30 mm      1,18" / 30 mm
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -
   5th:   0,39" / 10 mm         -               -

   - Armoured deck - single deck:
   For and Aft decks: 1,57" / 40 mm
   Forecastle: 1,18" / 30 mm  Quarter deck: 1,18" / 30 mm

   - Conning towers: Forward 3,94" / 100 mm, Aft 0,00" / 0 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 17 000 shp / 12 682 Kw = 24,16 kts
   Range 5 000nm at 12,00 kts
   Bunker at max displacement = 398 tons

Complement:
   224 - 292

Cost:
   £1,170 million / $4,680 million

Distribution of weights at normal displacement:
   Armament: 414 tons, 12,0 %
      - Guns: 414 tons, 12,0 %
   Armour: 917 tons, 26,6 %
      - Belts: 450 tons, 13,1 %
      - Armament: 73 tons, 2,1 %
      - Armour Deck: 374 tons, 10,9 %
      - Conning Tower: 19 tons, 0,6 %
   Machinery: 537 tons, 15,6 %
   Hull, fittings & equipment: 1 040 tons, 30,2 %
   Fuel, ammunition & stores: 443 tons, 12,9 %
   Miscellaneous weights: 92 tons, 2,7 %
      - Hull above water: 10 tons
      - On freeboard deck: 44 tons
      - Above deck: 38 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     3 698 lbs / 1 677 Kg = 17,5 x 7,5 " / 191 mm shells or 1,1 torpedoes
   Stability (Unstable if below 1.00): 1,12
   Metacentric height 2,1 ft / 0,7 m
   Roll period: 14,1 seconds
   Steadiness   - As gun platform (Average = 50 %): 73 %
         - Recoil effect (Restricted arc if above 1.00): 0,71
   Seaboat quality  (Average = 1.00): 1,11

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,500 / 0,506
   Length to Beam Ratio: 8,27 : 1
   'Natural speed' for length: 20,17 kts
   Power going to wave formation at top speed: 52 %
   Trim (Max stability = 0, Max steadiness = 100): 66
   Bow angle (Positive = bow angles forward): 7,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  18,04 ft / 5,50 m,  15,09 ft / 4,60 m
      - Forward deck:   33,00 %,  15,09 ft / 4,60 m,  12,47 ft / 3,80 m
      - Aft deck:   33,00 %,  12,47 ft / 3,80 m,  12,14 ft / 3,70 m
      - Quarter deck:   16,00 %,  12,14 ft / 3,70 m,  12,14 ft / 3,70 m
      - Average freeboard:      13,48 ft / 4,11 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 90,3 %
      - Above water (accommodation/working, high = better): 147,9 %
   Waterplane Area: 13 339 Square feet or 1 239 Square metres
   Displacement factor (Displacement / loading): 100 %
   Structure weight / hull surface area: 68 lbs/sq ft or 330 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,72
      - Longitudinal: 1,09
      - Overall: 0,75
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

38t for top mast rangefinder
16t for 2x2TTx533HW
10t for climatisation
18t reserved for new material, armament...



Title: Re: Byzantine Empire 1925...
Post by: TacCovert4 on June 02, 2023, 05:19:23 PM
I mean, the lack of speed is a big limiter.  But she's got the armor of ships twice her size.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on June 03, 2023, 01:24:02 AM
QuoteI mean, the lack of speed is a big limiter.  But she's got the armor of ships twice her size.

She's a 3000 t gunboat, not a scout cruiser. The job is to work with other Colonial 24kts AGBs and BBs. She is able of repelling a cruiser or destroyers.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on June 03, 2023, 07:01:33 AM
Heavier and more powerful but still for the same job.

CAGB7000, Byzantine Empire Colonial Armored Gunboat laid down 1927

Displacement:
   7 000 t light; 7 438 t standard; 7 802 t normal; 8 093 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (409,34 ft / 406,82 ft) x 65,62 ft x (18,60 / 19,15 ft)
   (124,77 m / 124,00 m) x 20,00 m  x (5,67 / 5,84 m)

Armament:
      6 - 10,00" / 254 mm 45,0 cal guns - 500,01lbs / 226,80kg shells, 120 per gun
     Breech loading guns in turret on barbette mounts, 1927 Model
     2 x 3-gun mounts on centreline ends, evenly spread
      12 - 4,72" / 120 mm 50,0 cal guns - 50,00lbs / 22,68kg shells, 200 per gun
     Breech loading guns in deck and hoist mounts, 1927 Model
     6 x 2-gun mounts on sides, evenly spread
      4 - 3,00" / 76,2 mm 45,0 cal guns - 12,50lbs / 5,67kg shells, 250 per gun
     Anti-air guns in deck mounts, 1927 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      4 - 1,85" / 47,0 mm 45,0 cal guns - 3,00lbs / 1,36kg shells, 1 000 per gun
     Quick firing guns in deck mounts, 1927 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      4 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 10 000 per gun
     Machine guns in deck mounts, 1927 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      Weight of broadside 3 662 lbs / 1 661 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   6,30" / 160 mm   275,59 ft / 84,00 m   9,84 ft / 3,00 m
   Ends:   1,38" / 35 mm   127,95 ft / 39,00 m   9,02 ft / 2,75 m
     3,28 ft / 1,00 m Unarmoured ends
   Upper:   3,54" / 90 mm   275,59 ft / 84,00 m   9,19 ft / 2,80 m
     Main Belt covers 104 % of normal length

   - Torpedo Bulkhead - Strengthened structural bulkheads:
      1,57" / 40 mm   275,59 ft / 84,00 m   16,40 ft / 5,00 m
   Beam between torpedo bulkheads 52,49 ft / 16,00 m

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   7,87" / 200 mm   2,36" / 60 mm      4,72" / 120 mm
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -
   5th:   0,39" / 10 mm         -               -

   - Protected deck - single deck:
   For and Aft decks: 2,36" / 60 mm
   Forecastle: 1,38" / 35 mm  Quarter deck: 1,38" / 35 mm

   - Conning towers: Forward 7,87" / 200 mm, Aft 3,94" / 100 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 4 shafts, 30 000 shp / 22 380 Kw = 24,19 kts
   Range 5 000nm at 12,00 kts
   Bunker at max displacement = 656 tons

Complement:
   414 - 539

Cost:
   £2,673 million / $10,693 million

Distribution of weights at normal displacement:
   Armament: 1 055 tons, 13,5 %
      - Guns: 1 055 tons, 13,5 %
   Armour: 2 630 tons, 33,7 %
      - Belts: 1 186 tons, 15,2 %
      - Torpedo bulkhead: 263 tons, 3,4 %
      - Armament: 322 tons, 4,1 %
      - Armour Deck: 758 tons, 9,7 %
      - Conning Towers: 100 tons, 1,3 %
   Machinery: 947 tons, 12,1 %
   Hull, fittings & equipment: 2 082 tons, 26,7 %
   Fuel, ammunition & stores: 802 tons, 10,3 %
   Miscellaneous weights: 286 tons, 3,7 %
      - Hull below water: 40 tons
      - Hull above water: 40 tons
      - On freeboard deck: 76 tons
      - Above deck: 130 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     9 340 lbs / 4 236 Kg = 18,7 x 10,0 " / 254 mm shells or 2,1 torpedoes
   Stability (Unstable if below 1.00): 1,08
   Metacentric height 3,1 ft / 0,9 m
   Roll period: 15,7 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,73
   Seaboat quality  (Average = 1.00): 1,06

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,550 / 0,554
   Length to Beam Ratio: 6,20 : 1
   'Natural speed' for length: 20,17 kts
   Power going to wave formation at top speed: 59 %
   Trim (Max stability = 0, Max steadiness = 100): 66
   Bow angle (Positive = bow angles forward): 6,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  23,95 ft / 7,30 m,  20,01 ft / 6,10 m
      - Forward deck:   33,00 %,  20,01 ft / 6,10 m,  16,08 ft / 4,90 m
      - Aft deck:   33,00 %,  16,08 ft / 4,90 m,  14,44 ft / 4,40 m
      - Quarter deck:   16,50 %,  14,44 ft / 4,40 m,  14,44 ft / 4,40 m
      - Average freeboard:      17,15 ft / 5,23 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 103,7 %
      - Above water (accommodation/working, high = better): 142,7 %
   Waterplane Area: 18 630 Square feet or 1 731 Square metres
   Displacement factor (Displacement / loading): 95 %
   Structure weight / hull surface area: 111 lbs/sq ft or 541 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,82
      - Longitudinal: 2,05
      - Overall: 0,90
   Caution: Hull subject to strain in open-sea
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

25t for Long Range Marconi
105t for top mast rangefinder - FC1924
40t for climatisation
40t for additionnal pumps
24t for 2x3TTx21" HW
56t reserved


Title: Re: Byzantine Empire 1925...
Post by: Jefgte on June 03, 2023, 11:06:00 AM
Just to test if I could built a Panzerschiff with 8000t

Light Armored Cruiser, Byzantine Empire 8000t Panzerschiff laid down 1927

Displacement:
   8 000 t light; 8 436 t standard; 8 915 t normal; 9 299 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (567,89 ft / 564,30 ft) x 65,62 ft x (17,41 / 17,96 ft)
   (173,09 m / 172,00 m) x 20,00 m  x (5,31 / 5,48 m)

Armament:
      6 - 10,00" / 254 mm 45,0 cal guns - 500,01lbs / 226,80kg shells, 120 per gun
     Breech loading guns in turret on barbette mounts, 1927 Model
     2 x 3-gun mounts on centreline ends, evenly spread
      8 - 4,72" / 120 mm 50,0 cal guns - 50,00lbs / 22,68kg shells, 200 per gun
     Breech loading guns in deck and hoist mounts, 1927 Model
     4 x 2-gun mounts on sides, evenly spread
      4 - 3,00" / 76,2 mm 45,0 cal guns - 12,50lbs / 5,67kg shells, 250 per gun
     Anti-air guns in deck mounts, 1927 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      4 - 1,85" / 47,0 mm 50,0 cal guns - 3,00lbs / 1,36kg shells, 400 per gun
     Quick firing guns in deck mounts, 1927 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      4 - 0,50" / 12,7 mm 63,0 cal guns - 0,07lbs / 0,03kg shells, 10 000 per gun
     Machine guns in deck mounts, 1927 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      Weight of broadside 3 462 lbs / 1 570 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   3,94" / 100 mm   367,45 ft / 112,00 m   9,84 ft / 3,00 m
   Ends:   1,38" / 35 mm   111,55 ft / 34,00 m   7,87 ft / 2,40 m
     85,30 ft / 26,00 m Unarmoured ends
   Upper:   3,54" / 90 mm   367,45 ft / 112,00 m   9,19 ft / 2,80 m
     Main Belt covers 100 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   5,51" / 140 mm   2,36" / 60 mm      3,94" / 100 mm
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,79" / 20 mm         -               -
   4th:   0,39" / 10 mm         -               -
   5th:   0,39" / 10 mm         -               -

   - Protected deck - single deck:
   For and Aft decks: 1,97" / 50 mm
   Forecastle: 1,38" / 35 mm  Quarter deck: 1,38" / 35 mm

   - Conning towers: Forward 7,87" / 200 mm, Aft 3,94" / 100 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 4 shafts, 41 460 shp / 30 929 Kw = 27,00 kts
   Range 6 000nm at 12,00 kts
   Bunker at max displacement = 863 tons

Complement:
   458 - 596

Cost:
   £2,899 million / $11,596 million

Distribution of weights at normal displacement:
   Armament: 988 tons, 11,1 %
      - Guns: 988 tons, 11,1 %
   Armour: 2 349 tons, 26,3 %
      - Belts: 1 135 tons, 12,7 %
      - Armament: 261 tons, 2,9 %
      - Armour Deck: 844 tons, 9,5 %
      - Conning Towers: 109 tons, 1,2 %
   Machinery: 1 309 tons, 14,7 %
   Hull, fittings & equipment: 3 066 tons, 34,4 %
   Fuel, ammunition & stores: 915 tons, 10,3 %
   Miscellaneous weights: 288 tons, 3,2 %
      - Hull below water: 40 tons
      - Hull above water: 40 tons
      - On freeboard deck: 84 tons
      - Above deck: 124 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     10 626 lbs / 4 820 Kg = 21,3 x 10,0 " / 254 mm shells or 1,9 torpedoes
   Stability (Unstable if below 1.00): 1,08
   Metacentric height 3,1 ft / 0,9 m
   Roll period: 15,7 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,59
   Seaboat quality  (Average = 1.00): 1,11

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,484 / 0,489
   Length to Beam Ratio: 8,60 : 1
   'Natural speed' for length: 23,76 kts
   Power going to wave formation at top speed: 49 %
   Trim (Max stability = 0, Max steadiness = 100): 64
   Bow angle (Positive = bow angles forward): 10,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  20,34 ft / 6,20 m,  17,06 ft / 5,20 m
      - Forward deck:   33,00 %,  17,06 ft / 5,20 m,  13,78 ft / 4,20 m
      - Aft deck:   33,00 %,  13,78 ft / 4,20 m,  13,78 ft / 4,20 m
      - Quarter deck:   16,50 %,  13,78 ft / 4,20 m,  13,78 ft / 4,20 m
      - Average freeboard:      15,12 ft / 4,61 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 83,4 %
      - Above water (accommodation/working, high = better): 147,7 %
   Waterplane Area: 24 318 Square feet or 2 259 Square metres
   Displacement factor (Displacement / loading): 106 %
   Structure weight / hull surface area: 108 lbs/sq ft or 526 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,88
      - Longitudinal: 1,02
      - Overall: 0,90
   Caution: Hull subject to strain in open-sea
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

25t for Long Range Marconi
99t for top mast rangefinder - FC1924
40t for climatisation
40t for additionnal pumps
24t for 2x3TTx21" HW
60t reserved

Title: Re: Byzantine Empire 1925...
Post by: Jefgte on June 10, 2023, 01:35:02 AM
Update 3000t Colonial Gun Boat

Mustha-Mesie, Byzantine Empire Colonial Armored Gun Boat laid down 1928

Displacement:
   3 000 t light; 3 219 t standard; 3 408 t normal; 3 560 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (409,36 ft / 406,82 ft) x 49,21 ft x (11,92 / 12,31 ft)
   (124,77 m / 124,00 m) x 15,00 m  x (3,63 / 3,75 m)

Armament:
      6 - 7,50" / 191 mm 45,0 cal guns - 200,00lbs / 90,72kg shells, 150 per gun
     Breech loading guns in deck and hoist mounts, 1928 Model
     3 x 2-gun mounts on centreline ends, majority aft
      8 - 4,72" / 120 mm 45,0 cal guns - 50,00lbs / 22,68kg shells, 180 per gun
     Quick firing guns in deck and hoist mounts, 1928 Model
     4 x 2-gun mounts on sides, evenly spread
      8 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 1 000 per gun
     Anti-air guns in deck mounts, 1928 Model
     4 x 2-gun mounts on side ends, evenly spread
      4 raised mounts
      8 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 4 000 per gun
     Machine guns in deck mounts, 1928 Model
     8 x Single mounts on side ends, evenly spread
      8 raised mounts
      Weight of broadside 1 617 lbs / 733 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   3,94" / 100 mm   265,75 ft / 81,00 m   9,84 ft / 3,00 m
   Ends:   1,18" / 30 mm   141,08 ft / 43,00 m   9,19 ft / 2,80 m
     Main Belt covers 100 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   3,94" / 100 mm   1,18" / 30 mm      1,97" / 50 mm
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -
   5th:   0,39" / 10 mm         -               -

   - Armoured deck - single deck:
   For and Aft decks: 1,38" / 35 mm
   Forecastle: 1,18" / 30 mm  Quarter deck: 1,18" / 30 mm

   - Conning towers: Forward 3,94" / 100 mm, Aft 1,18" / 30 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 16 500 shp / 12 309 Kw = 24,01 kts
   Range 4 300nm at 12,00 kts
   Bunker at max displacement = 341 tons

Complement:
   222 - 289

Cost:
   £1,288 million / $5,152 million

Distribution of weights at normal displacement:
   Armament: 453 tons, 13,3 %
      - Guns: 453 tons, 13,3 %
   Armour: 909 tons, 26,7 %
      - Belts: 487 tons, 14,3 %
      - Armament: 62 tons, 1,8 %
      - Armour Deck: 334 tons, 9,8 %
      - Conning Towers: 25 tons, 0,7 %
   Machinery: 506 tons, 14,8 %
   Hull, fittings & equipment: 1 026 tons, 30,1 %
   Fuel, ammunition & stores: 408 tons, 12,0 %
   Miscellaneous weights: 107 tons, 3,1 %
      - Hull below water: 15 tons
      - Hull above water: 15 tons
      - On freeboard deck: 32 tons
      - Above deck: 45 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     3 439 lbs / 1 560 Kg = 16,3 x 7,5 " / 191 mm shells or 1,1 torpedoes
   Stability (Unstable if below 1.00): 1,09
   Metacentric height 2,1 ft / 0,6 m
   Roll period: 14,4 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,76
   Seaboat quality  (Average = 1.00): 1,07

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,500 / 0,505
   Length to Beam Ratio: 8,27 : 1
   'Natural speed' for length: 20,17 kts
   Power going to wave formation at top speed: 52 %
   Trim (Max stability = 0, Max steadiness = 100): 66
   Bow angle (Positive = bow angles forward): 8,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  18,04 ft / 5,50 m,  14,76 ft / 4,50 m
      - Forward deck:   33,00 %,  14,76 ft / 4,50 m,  12,14 ft / 3,70 m
      - Aft deck:   33,00 %,  12,14 ft / 3,70 m,  11,81 ft / 3,60 m
      - Quarter deck:   16,00 %,  11,81 ft / 3,60 m,  12,14 ft / 3,70 m
      - Average freeboard:      13,20 ft / 4,02 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 93,5 %
      - Above water (accommodation/working, high = better): 145,5 %
   Waterplane Area: 13 339 Square feet or 1 239 Square metres
   Displacement factor (Displacement / loading): 95 %
   Structure weight / hull surface area: 68 lbs/sq ft or 332 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,72
      - Longitudinal: 1,03
      - Overall: 0,75
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

45t for top mast rangefinder
15t for climatisation
15t for Additionnal pumps
16t for 2x2TTx533 HW
16t reserved for new material, armament...

Title: Re: Byzantine Empire 1925...
Post by: Jefgte on June 10, 2023, 03:50:36 PM
Like much navies, It's time for Byzance to have fast Battleships.

36150t or 43800t ?

BC7, Byzantine Empire BC7 laid down 1927

Displacement:
   36 150 t light; 38 035 t standard; 40 743 t normal; 42 910 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (738,03 ft / 735,56 ft) x 108,27 ft x (30,40 / 31,72 ft)
   (224,95 m / 224,20 m) x 33,00 m  x (9,27 / 9,67 m)

Armament:
      9 - 15,00" / 381 mm 42,0 cal guns - 1 920,01lbs / 870,90kg shells, 100 per gun
     Breech loading guns in turret on barbette mounts, 1927 Model
     3 x 3-gun mounts on centreline ends, majority forward
      1 raised mount - superfiring
      16 - 4,72" / 120 mm 45,0 cal guns - 50,00lbs / 22,68kg shells, 200 per gun
     Quick firing guns in deck and hoist mounts, 1927 Model
     8 x 2-gun mounts on sides, evenly spread
      8 - 3,00" / 76,2 mm 45,0 cal guns - 12,50lbs / 5,67kg shells, 200 per gun
     Quick firing guns in deck and hoist mounts, 1927 Model
     8 x Single mounts on sides, evenly spread
      8 raised mounts
      16 - 1,57" / 40,0 mm 39,0 cal guns - 1,85lbs / 0,84kg shells, 250 per gun
     Anti-air guns in deck mounts, 1927 Model
     8 x 2-gun mounts on sides, evenly spread
      8 raised mounts
      16 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 10 000 per gun
     Machine guns in deck mounts, 1927 Model
     16 x Single mounts on sides, evenly spread
      16 raised mounts
      Weight of broadside 18 211 lbs / 8 260 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   13,4" / 340 mm   479,00 ft / 146,00 m   11,81 ft / 3,60 m
   Ends:   3,94" / 100 mm   255,91 ft / 78,00 m   9,84 ft / 3,00 m
   Upper:   3,94" / 100 mm   479,00 ft / 146,00 m   13,12 ft / 4,00 m
     Main Belt covers 100 % of normal length

   - Torpedo Bulkhead - Additional damage containing bulkheads:
      1,97" / 50 mm   479,00 ft / 146,00 m   26,25 ft / 8,00 m
   Beam between torpedo bulkheads 78,74 ft / 24,00 m

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   13,4" / 340 mm   4,72" / 120 mm      11,8" / 300 mm
   2nd:   0,79" / 20 mm         -         1,57" / 40 mm
   3rd:   0,39" / 10 mm         -               -

   - Armoured deck - single deck:
   For and Aft decks: 4,72" / 120 mm
   Forecastle: 1,97" / 50 mm  Quarter deck: 1,97" / 50 mm

   - Conning towers: Forward 13,39" / 340 mm, Aft 5,91" / 150 mm

Machinery:
   Oil fired boilers, steam turbines,
   Direct drive, 4 shafts, 140 000 shp / 104 440 Kw = 29,18 kts
   Range 10 000nm at 14,00 kts
   Bunker at max displacement = 4 875 tons

Complement:
   1 433 - 1 864

Cost:
   £11,853 million / $47,413 million

Distribution of weights at normal displacement:
   Armament: 3 057 tons, 7,5 %
      - Guns: 3 057 tons, 7,5 %
   Armour: 12 997 tons, 31,9 %
      - Belts: 4 702 tons, 11,5 %
      - Torpedo bulkhead: 916 tons, 2,2 %
      - Armament: 2 437 tons, 6,0 %
      - Armour Deck: 4 450 tons, 10,9 %
      - Conning Towers: 492 tons, 1,2 %
   Machinery: 4 419 tons, 10,8 %
   Hull, fittings & equipment: 14 691 tons, 36,1 %
   Fuel, ammunition & stores: 4 593 tons, 11,3 %
   Miscellaneous weights: 986 tons, 2,4 %
      - Hull below water: 175 tons
      - Hull above water: 175 tons
      - On freeboard deck: 280 tons
      - Above deck: 356 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     58 627 lbs / 26 593 Kg = 34,7 x 15,0 " / 381 mm shells or 9,4 torpedoes
   Stability (Unstable if below 1.00): 1,07
   Metacentric height 6,5 ft / 2,0 m
   Roll period: 17,9 seconds
   Steadiness   - As gun platform (Average = 50 %): 72 %
         - Recoil effect (Restricted arc if above 1.00): 0,71
   Seaboat quality  (Average = 1.00): 1,05

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,589 / 0,595
   Length to Beam Ratio: 6,79 : 1
   'Natural speed' for length: 27,12 kts
   Power going to wave formation at top speed: 54 %
   Trim (Max stability = 0, Max steadiness = 100): 68
   Bow angle (Positive = bow angles forward): 5,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20,00 %,  28,22 ft / 8,60 m,  24,61 ft / 7,50 m
      - Forward deck:   30,00 %,  24,61 ft / 7,50 m,  21,33 ft / 6,50 m
      - Aft deck:   32,00 %,  21,33 ft / 6,50 m,  21,00 ft / 6,40 m
      - Quarter deck:   18,00 %,  21,00 ft / 6,40 m,  21,00 ft / 6,40 m
      - Average freeboard:      22,65 ft / 6,90 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 93,3 %
      - Above water (accommodation/working, high = better): 168,0 %
   Waterplane Area: 57 649 Square feet or 5 356 Square metres
   Displacement factor (Displacement / loading): 113 %
   Structure weight / hull surface area: 205 lbs/sq ft or 1 002 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,96
      - Longitudinal: 1,39
      - Overall: 1,00
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

306t for Top fire control
50t for 2x25t Marconi
175t for climatisation
175t for extra pumps installation
100t for Admiral staff
180t reserved
-----------------------------

Or this one with 4T3x381

BC7, Byzantine Empire BC7 laid down 1927

Displacement:
   43 800 t light; 46 306 t standard; 49 405 t normal; 51 884 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (806,30 ft / 803,81 ft) x 114,83 ft x (30,41 / 31,68 ft)
   (245,76 m / 245,00 m) x 35,00 m  x (9,27 / 9,66 m)

Armament:
      12 - 15,00" / 381 mm 42,0 cal guns - 1 920,01lbs / 870,90kg shells, 110 per gun
     Breech loading guns in turret on barbette mounts, 1927 Model
     4 x 3-gun mounts on centreline ends, evenly spread
      2 raised mounts - superfiring
      16 - 4,72" / 120 mm 45,0 cal guns - 50,00lbs / 22,68kg shells, 200 per gun
     Quick firing guns in deck and hoist mounts, 1927 Model
     8 x 2-gun mounts on sides, evenly spread
      8 - 3,00" / 76,2 mm 45,0 cal guns - 12,50lbs / 5,67kg shells, 200 per gun
     Quick firing guns in deck and hoist mounts, 1927 Model
     8 x Single mounts on sides, evenly spread
      8 raised mounts
      16 - 1,57" / 40,0 mm 39,0 cal guns - 1,85lbs / 0,84kg shells, 250 per gun
     Anti-air guns in deck mounts, 1927 Model
     8 x 2-gun mounts on sides, evenly spread
      8 raised mounts
      16 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 10 000 per gun
     Machine guns in deck mounts, 1927 Model
     16 x Single mounts on sides, evenly spread
      16 raised mounts
      Weight of broadside 23 971 lbs / 10 873 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   13,4" / 340 mm   524,93 ft / 160,00 m   11,81 ft / 3,60 m
   Ends:   3,94" / 100 mm   278,87 ft / 85,00 m   9,84 ft / 3,00 m
   Upper:   3,94" / 100 mm   524,93 ft / 160,00 m   13,12 ft / 4,00 m
     Main Belt covers 100 % of normal length

   - Torpedo Bulkhead - Additional damage containing bulkheads:
      1,97" / 50 mm   524,93 ft / 160,00 m   27,89 ft / 8,50 m
   Beam between torpedo bulkheads 91,86 ft / 28,00 m

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   13,4" / 340 mm   4,72" / 120 mm      11,8" / 300 mm
   2nd:   0,79" / 20 mm         -         1,57" / 40 mm
   3rd:   0,39" / 10 mm         -               -

   - Armoured deck - single deck:
   For and Aft decks: 4,72" / 120 mm
   Forecastle: 1,97" / 50 mm  Quarter deck: 1,97" / 50 mm

   - Conning towers: Forward 13,39" / 340 mm, Aft 5,91" / 150 mm

Machinery:
   Oil fired boilers, steam turbines,
   Direct drive, 4 shafts, 155 000 shp / 115 630 Kw = 29,21 kts
   Range 10 000nm at 14,00 kts
   Bunker at max displacement = 5 578 tons

Complement:
   1 656 - 2 153

Cost:
   £14,621 million / $58,486 million

Distribution of weights at normal displacement:
   Armament: 3 986 tons, 8,1 %
      - Guns: 3 986 tons, 8,1 %
   Armour: 15 436 tons, 31,2 %
      - Belts: 5 142 tons, 10,4 %
      - Torpedo bulkhead: 1 066 tons, 2,2 %
      - Armament: 3 378 tons, 6,8 %
      - Armour Deck: 5 289 tons, 10,7 %
      - Conning Towers: 560 tons, 1,1 %
   Machinery: 4 893 tons, 9,9 %
   Hull, fittings & equipment: 18 356 tons, 37,2 %
   Fuel, ammunition & stores: 5 605 tons, 11,3 %
   Miscellaneous weights: 1 130 tons, 2,3 %
      - Hull below water: 200 tons
      - Hull above water: 200 tons
      - On freeboard deck: 280 tons
      - Above deck: 450 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     71 004 lbs / 32 207 Kg = 42,1 x 15,0 " / 381 mm shells or 11,4 torpedoes
   Stability (Unstable if below 1.00): 1,06
   Metacentric height 6,9 ft / 2,1 m
   Roll period: 18,4 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,79
   Seaboat quality  (Average = 1.00): 1,06

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,616 / 0,621
   Length to Beam Ratio: 7,00 : 1
   'Natural speed' for length: 28,35 kts
   Power going to wave formation at top speed: 52 %
   Trim (Max stability = 0, Max steadiness = 100): 67
   Bow angle (Positive = bow angles forward): 5,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20,00 %,  28,54 ft / 8,70 m,  24,93 ft / 7,60 m
      - Forward deck:   31,00 %,  24,93 ft / 7,60 m,  21,65 ft / 6,60 m
      - Aft deck:   31,00 %,  21,65 ft / 6,60 m,  21,65 ft / 6,60 m
      - Quarter deck:   18,00 %,  21,65 ft / 6,60 m,  21,65 ft / 6,60 m
      - Average freeboard:      23,11 ft / 7,04 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 84,3 %
      - Above water (accommodation/working, high = better): 176,4 %
   Waterplane Area: 68 521 Square feet or 6 366 Square metres
   Displacement factor (Displacement / loading): 114 %
   Structure weight / hull surface area: 222 lbs/sq ft or 1 082 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,98
      - Longitudinal: 1,20
      - Overall: 1,00
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

400t for Top fire control
50t for 2x25t Marconi
200t for climatisation
200t for extra pumps installation
100t for Admiral staff
180t reserved
Title: Re: Byzantine Empire 1925...
Post by: The Rock Doctor on June 10, 2023, 05:46:53 PM
No, Jef, don't give in!
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on June 13, 2023, 05:26:52 PM
SD14, Byzantine Empire Super Destroyer laid down 1927

Displacement:
   2 330 t light; 2 446 t standard; 2 822 t normal; 3 123 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (425,65 ft / 423,23 ft) x 42,32 ft x (13,79 / 14,74 ft)
   (129,74 m / 129,00 m) x 12,90 m  x (4,20 / 4,49 m)

Armament:
      4 - 5,50" / 140 mm 50,0 cal guns - 81,99lbs / 37,19kg shells, 250 per gun
     Quick firing guns in deck mounts, 1927 Model
     2 x 2-gun mounts on centreline ends, evenly spread
      2 - 3,00" / 76,2 mm 45,0 cal guns - 12,50lbs / 5,67kg shells, 300 per gun
     Anti-air guns in deck mounts, 1927 Model
     2 x Single mounts on sides, forward deck aft
      2 raised mounts
      4 - 1,85" / 47,0 mm 50,0 cal guns - 3,00lbs / 1,36kg shells, 1 000 per gun
     Anti-air guns in deck mounts, 1927 Model
     2 x 2-gun mounts on centreline, aft evenly spread
      8 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 10 000 per gun
     Machine guns in deck mounts, 1927 Model
     4 x Single mounts on sides, forward deck forward
      Weight of broadside 366 lbs / 166 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 42 400 shp / 31 630 Kw = 32,02 kts
   Range 10 000nm at 12,00 kts
   Bunker at max displacement = 677 tons

Complement:
   193 - 251

Cost:
   £1,038 million / $4,152 million

Distribution of weights at normal displacement:
   Armament: 77 tons, 2,7 %
      - Guns: 77 tons, 2,7 %
   Armour: 6 tons, 0,2 %
      - Armament: 6 tons, 0,2 %
   Machinery: 1 306 tons, 46,3 %
   Hull, fittings & equipment: 840 tons, 29,8 %
   Fuel, ammunition & stores: 492 tons, 17,4 %
   Miscellaneous weights: 101 tons, 3,6 %
      - Hull above water: 8 tons
      - On freeboard deck: 60 tons
      - Above deck: 33 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     1 226 lbs / 556 Kg = 14,7 x 5,5 " / 140 mm shells or 0,5 torpedoes
   Stability (Unstable if below 1.00): 1,30
   Metacentric height 2,2 ft / 0,7 m
   Roll period: 11,9 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,14
   Seaboat quality  (Average = 1.00): 1,02

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,400 / 0,414
   Length to Beam Ratio: 10,00 : 1
   'Natural speed' for length: 20,57 kts
   Power going to wave formation at top speed: 60 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 7,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  19,69 ft / 6,00 m,  16,40 ft / 5,00 m
      - Forward deck:   33,00 %,  16,40 ft / 5,00 m,  13,12 ft / 4,00 m
      - Aft deck:   33,00 %,  13,12 ft / 4,00 m,  13,12 ft / 4,00 m
      - Quarter deck:   16,00 %,  13,12 ft / 4,00 m,  13,12 ft / 4,00 m
      - Average freeboard:      14,49 ft / 4,42 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 158,4 %
      - Above water (accommodation/working, high = better): 151,7 %
   Waterplane Area: 11 026 Square feet or 1 024 Square metres
   Displacement factor (Displacement / loading): 95 %
   Structure weight / hull surface area: 49 lbs/sq ft or 240 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,71
      - Longitudinal: 1,23
      - Overall: 0,75
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

25t for Long range Marconi
8t for 1924 top mast rangefinder

24t for 2x3TTx533 HW
15t for enhanced hydrophone
5t for 50 DC
16t reserved...

8t for climatisation

Title: Re: Byzantine Empire 1925...
Post by: snip on June 13, 2023, 06:13:14 PM
Its an interesting comparison between this and the Roman 2000t Destroyers. I'm not sure the tradeoffs are worth the additional 300 tons, but that could very well be my biases.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on June 14, 2023, 02:44:48 AM
QuoteIts an interesting comparison between this and the Roman 2000t Destroyers. I'm not sure the tradeoffs are worth the additional 300 tons, but that could very well be my biases.

I use 3000t cruiser rule with 0.75 overall, not 2000t destroyer rule.
It is a more robust, more enduring ship with oceanic performance.

Survivability 556kg for 2330t vs 263kg for 2000t.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on June 15, 2023, 04:00:09 PM
1800t is more economical version than 2330t

SD13, Byzantine Empire Super Destroyer laid down 1927

Displacement:
   1 800 t light; 1 895 t standard; 2 218 t normal; 2 477 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (383,93 ft / 380,58 ft) x 36,09 ft x (13,33 / 14,39 ft)
   (117,02 m / 116,00 m) x 11,00 m  x (4,06 / 4,39 m)

Armament:
      4 - 5,51" / 140 mm 45,0 cal guns - 81,99lbs / 37,19kg shells, 210 per gun
     Quick firing guns in deck mounts, 1927 Model
     4 x Single mounts on centreline ends, evenly spread
      2 raised mounts - superfiring
      1 - 3,00" / 76,2 mm 45,0 cal gun - 12,50lbs / 5,67kg shells, 260 per gun
     Anti-air gun in deck mount, 1927 Model
     1 x Single mount on centreline, forward deck aft
      1 raised mount
      4 - 1,85" / 47,0 mm 50,0 cal guns - 3,00lbs / 1,36kg shells, 1 000 per gun
     Quick firing guns in deck mounts, 1927 Model
     4 x Single mounts on sides, forward deck aft
      4 raised mounts
      12 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 8 000 per gun
     Machine guns in deck mounts, 1927 Model
     6 x 2-gun mounts on side ends, majority forward
      6 raised mounts
      Weight of broadside 353 lbs / 160 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,79" / 20 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 40 600 shp / 30 288 Kw = 32,38 kts
   Range 10 000nm at 12,00 kts
   Bunker at max displacement = 582 tons

Complement:
   161 - 210

Cost:
   £0,860 million / $3,439 million

Distribution of weights at normal displacement:
   Armament: 65 tons, 2,9 %
      - Guns: 65 tons, 2,9 %
   Armour: 17 tons, 0,7 %
      - Armament: 17 tons, 0,7 %
   Machinery: 1 111 tons, 50,1 %
   Hull, fittings & equipment: 490 tons, 22,1 %
   Fuel, ammunition & stores: 418 tons, 18,9 %
   Miscellaneous weights: 118 tons, 5,3 %
      - Hull above water: 28 tons
      - On freeboard deck: 58 tons
      - Above deck: 32 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     574 lbs / 260 Kg = 6,9 x 5,5 " / 140 mm shells or 0,3 torpedoes
   Stability (Unstable if below 1.00): 1,25
   Metacentric height 1,6 ft / 0,5 m
   Roll period: 11,9 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,31
   Seaboat quality  (Average = 1.00): 1,03

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,424 / 0,439
   Length to Beam Ratio: 10,55 : 1
   'Natural speed' for length: 19,51 kts
   Power going to wave formation at top speed: 64 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 10,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  19,03 ft / 5,80 m,  15,75 ft / 4,80 m
      - Forward deck:   33,00 %,  15,75 ft / 4,80 m,  13,12 ft / 4,00 m
      - Aft deck:   33,00 %,  13,12 ft / 4,00 m,  13,12 ft / 4,00 m
      - Quarter deck:   16,00 %,  13,12 ft / 4,00 m,  13,12 ft / 4,00 m
      - Average freeboard:      14,27 ft / 4,35 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 172,2 %
      - Above water (accommodation/working, high = better): 140,0 %
   Waterplane Area: 8 587 Square feet or 798 Square metres
   Displacement factor (Displacement / loading): 77 %
   Structure weight / hull surface area: 33 lbs/sq ft or 162 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 1,24
      - Overall: 0,54
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

7t for 1918 top mast rangefinder
25t for LR marconi

32t for 2x4TTx533HW
26t reserved for new material, armament, minen

15t for improved Hydrophone
5t for 50x90DC
8t for climatisation

Trial speed: 33kts
Bonus: 0.62

Title: Re: Byzantine Empire 1925...
Post by: Jefgte on June 17, 2023, 04:50:59 PM
The max. TB in a 80m shipyard

Egyptian class, Byzantine Empire T630 laid down 1928

Displacement:
   630 t light; 663 t standard; 734 t normal; 790 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (261,31 ft / 259,19 ft) x 24,93 ft x (9,93 / 10,43 ft)
   (79,65 m / 79,00 m) x 7,60 m  x (3,03 / 3,18 m)

Armament:
      4 - 4,00" / 102 mm 45,0 cal guns - 33,00lbs / 14,97kg shells, 195 per gun
     Quick firing guns in deck mounts, 1928 Model
     2 x 2-gun mounts on centreline ends, evenly spread
      2 - 1,85" / 47,0 mm 50,0 cal guns - 3,00lbs / 1,36kg shells, 1 000 per gun
     Anti-air guns in deck mounts, 1928 Model
     2 x Single mounts on sides, forward deck aft
      2 raised mounts
      4 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 4 000 per gun
     Machine guns in deck mounts, 1928 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      Weight of broadside 138 lbs / 63 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 18 500 shp / 13 801 Kw = 30,26 kts
   Range 4 200nm at 12,00 kts
   Bunker at max displacement = 127 tons

Complement:
   69 - 91

Cost:
   £0,306 million / $1,224 million

Distribution of weights at normal displacement:
   Armament: 25 tons, 3,4 %
      - Guns: 25 tons, 3,4 %
   Armour: 5 tons, 0,7 %
      - Armament: 5 tons, 0,7 %
   Machinery: 367 tons, 50,0 %
   Hull, fittings & equipment: 209 tons, 28,5 %
   Fuel, ammunition & stores: 104 tons, 14,1 %
   Miscellaneous weights: 24 tons, 3,3 %
      - On freeboard deck: 22 tons
      - Above deck: 2 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     215 lbs / 98 Kg = 6,7 x 4,0 " / 102 mm shells or 0,2 torpedoes
   Stability (Unstable if below 1.00): 1,12
   Metacentric height 0,8 ft / 0,2 m
   Roll period: 11,9 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,41
   Seaboat quality  (Average = 1.00): 1,02

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,400 / 0,410
   Length to Beam Ratio: 10,39 : 1
   'Natural speed' for length: 16,10 kts
   Power going to wave formation at top speed: 68 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 8,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  15,09 ft / 4,60 m,  13,12 ft / 4,00 m
      - Forward deck:   33,00 %,  13,12 ft / 4,00 m,  11,15 ft / 3,40 m
      - Aft deck:   33,00 %,  11,15 ft / 3,40 m,  10,50 ft / 3,20 m
      - Quarter deck:   16,00 %,  10,50 ft / 3,20 m,  10,50 ft / 3,20 m
      - Average freeboard:      11,76 ft / 3,59 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 171,7 %
      - Above water (accommodation/working, high = better): 126,1 %
   Waterplane Area: 3 978 Square feet or 370 Square metres
   Displacement factor (Displacement / loading): 59 %
   Structure weight / hull surface area: 26 lbs/sq ft or 126 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 2,73
      - Overall: 0,59
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

2t for top fire control

9t for 1x3TTx533
5t for climatisation
5T for Hydrophone
3t for 30DC

420nm@30kts
1260nm@20kts
2157nm@16kts

Trial speed: 31.5kts
Bonus: 1.24


Title: Re: Byzantine Empire 1925...
Post by: Jefgte on June 23, 2023, 12:27:26 AM
Testing an Anti Aircraft Destroyer

DDAA, Byzantine Empire DDAA laid down 1928

Displacement:
   1 680 t light; 1 813 t standard; 2 077 t normal; 2 288 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (380,55 ft / 377,30 ft) x 36,09 ft x (13,18 / 14,06 ft)
   (115,99 m / 115,00 m) x 11,00 m  x (4,02 / 4,29 m)

Armament:
      8 - 4,00" / 102 mm 45,0 cal guns - 33,00lbs / 14,97kg shells, 500 per gun
     Anti-air guns in deck mounts, 1928 Model
     4 x Twin mounts on centreline ends, evenly spread
      2 raised mounts - superfiring
      1 - 3,00" / 76,2 mm 45,0 cal gun - 12,50lbs / 5,67kg shells, 250 per gun
     Anti-air gun in deck mount, 1928 Model
     1 x Single mount on centreline, forward deck aft
      1 raised mount
      8 - 1,85" / 47,0 mm 50,0 cal guns - 3,00lbs / 1,36kg shells, 1 000 per gun
     Quick firing guns in deck mounts, 1928 Model
     8 x Single mounts on sides, evenly spread
      8 raised mounts
      8 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 10 000 per gun
     Machine guns in deck mounts, 1928 Model
     4 x 2-gun mounts on sides, evenly spread
      4 raised mounts
      Weight of broadside 301 lbs / 137 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 38 399 shp / 28 645 Kw = 32,32 kts
   Range 8 500nm at 12,00 kts
   Bunker at max displacement = 475 tons

Complement:
   153 - 199

Cost:
   £0,836 million / $3,346 million

Distribution of weights at normal displacement:
   Armament: 49 tons, 2,4 %
      - Guns: 49 tons, 2,4 %
   Armour: 12 tons, 0,6 %
      - Armament: 12 tons, 0,6 %
   Machinery: 1 037 tons, 49,9 %
   Hull, fittings & equipment: 479 tons, 23,1 %
   Fuel, ammunition & stores: 397 tons, 19,1 %
   Miscellaneous weights: 104 tons, 5,0 %
      - Hull above water: 6 tons
      - On freeboard deck: 68 tons
      - Above deck: 30 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     550 lbs / 250 Kg = 17,2 x 4,0 " / 102 mm shells or 0,3 torpedoes
   Stability (Unstable if below 1.00): 1,27
   Metacentric height 1,7 ft / 0,5 m
   Roll period: 11,8 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,27
   Seaboat quality  (Average = 1.00): 1,03

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,405 / 0,418
   Length to Beam Ratio: 10,45 : 1
   'Natural speed' for length: 19,42 kts
   Power going to wave formation at top speed: 63 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 10,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  18,44 ft / 5,62 m,  15,81 ft / 4,82 m
      - Forward deck:   32,50 %,  15,81 ft / 4,82 m,  12,86 ft / 3,92 m
      - Aft deck:   32,50 %,  12,86 ft / 3,92 m,  12,53 ft / 3,82 m
      - Quarter deck:   17,50 %,  12,53 ft / 3,82 m,  12,53 ft / 3,82 m
      - Average freeboard:      13,93 ft / 4,25 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 172,3 %
      - Above water (accommodation/working, high = better): 141,5 %
   Waterplane Area: 8 406 Square feet or 781 Square metres
   Displacement factor (Displacement / loading): 78 %
   Structure weight / hull surface area: 33 lbs/sq ft or 162 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 1,22
      - Overall: 0,55
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

5t for 1924 top mast rangefinder
25t for LR marconi
6t for climatisation
32t for 2x4TTx533HW
15t for improved Hydrophone
5t for 50x90DC
12t reserved for new material, armament, minen.

Title: Re: Byzantine Empire 1925...
Post by: TacCovert4 on June 23, 2023, 12:35:03 PM
I've been waiting on my first Dual Purpose gun to go that route, but I expect to be heading this way very soon as well.  Plus an Offshore Patrol Vessel with AA, ASW, and Mine Warfare capability.....since my current MS-1 class is only 20 years old now.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on June 23, 2023, 04:01:39 PM
I have reSS DDAA - 1680t - 4T2x102 - 32.3kts  to 1900t - 6T2x102 - 33kts
Title: Re: Byzantine Empire 1925...
Post by: The Rock Doctor on June 23, 2023, 04:41:06 PM
Why include the single 3"?
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on June 24, 2023, 12:39:51 AM
QuoteWhy include the single 3"?

1900t DDAA without 3" AA gun but 6T2x102AA

D14, Byzantine Empire DDAA laid down 1928

Displacement:
   1 900 t light; 2 029 t standard; 2 347 t normal; 2 601 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (409,44 ft / 406,82 ft) x 37,86 ft x (13,17 / 14,10 ft)
   (124,80 m / 124,00 m) x 11,54 m  x (4,01 / 4,30 m)

Armament:
      12 - 4,00" / 102 mm 45,0 cal guns - 33,00lbs / 14,97kg shells, 300 per gun
     Anti-air guns in deck mounts, 1928 Model
     6 x Twin mounts on centreline ends, evenly spread
      4 raised mounts - superfiring
      8 - 1,85" / 47,0 mm 50,0 cal guns - 3,00lbs / 1,36kg shells, 1 000 per gun
     Anti-air guns in deck mounts, 1928 Model
     8 x Single mounts on sides, evenly spread
      8 raised mounts
      8 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 10 000 per gun
     Machine guns in deck mounts, 1928 Model
     4 x 2-gun mounts on sides, evenly spread
      4 raised mounts
      Weight of broadside 421 lbs / 191 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 43 000 shp / 32 078 Kw = 32,94 kts
   Range 9 500nm at 12,00 kts
   Bunker at max displacement = 572 tons

Complement:
   168 - 219

Cost:
   £0,963 million / $3,850 million

Distribution of weights at normal displacement:
   Armament: 66 tons, 2,8 %
      - Guns: 66 tons, 2,8 %
   Armour: 12 tons, 0,5 %
      - Armament: 12 tons, 0,5 %
   Machinery: 1 178 tons, 50,2 %
   Hull, fittings & equipment: 543 tons, 23,2 %
   Fuel, ammunition & stores: 447 tons, 19,1 %
   Miscellaneous weights: 100 tons, 4,3 %
      - Hull above water: 8 tons
      - On freeboard deck: 60 tons
      - Above deck: 32 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     617 lbs / 280 Kg = 19,3 x 4,0 " / 102 mm shells or 0,3 torpedoes
   Stability (Unstable if below 1.00): 1,29
   Metacentric height 1,8 ft / 0,6 m
   Roll period: 11,7 seconds
   Steadiness   - As gun platform (Average = 50 %): 72 %
         - Recoil effect (Restricted arc if above 1.00): 0,32
   Seaboat quality  (Average = 1.00): 1,04

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,405 / 0,419
   Length to Beam Ratio: 10,75 : 1
   'Natural speed' for length: 20,17 kts
   Power going to wave formation at top speed: 62 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 8,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  18,62 ft / 5,68 m,  15,99 ft / 4,88 m
      - Forward deck:   33,00 %,  15,99 ft / 4,88 m,  13,04 ft / 3,98 m
      - Aft deck:   33,00 %,  13,04 ft / 3,98 m,  12,71 ft / 3,88 m
      - Quarter deck:   16,00 %,  12,71 ft / 3,88 m,  13,04 ft / 3,98 m
      - Average freeboard:      14,17 ft / 4,32 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 173,6 %
      - Above water (accommodation/working, high = better): 147,7 %
   Waterplane Area: 9 509 Square feet or 883 Square metres
   Displacement factor (Displacement / loading): 79 %
   Structure weight / hull surface area: 35 lbs/sq ft or 169 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 1,06
      - Overall: 0,54
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

7t for 1924 top mast rangefinder
25t for LR marconi
8t for climatisation
24t for 2x3TTx533HW
15t for improved Hydrophone
5t for 50x90DC
12t reserved for new material, armament, minen.

4845nm@16kts
Trial speed: 33,5kts
Bonus: 0.56
Title: Re: Byzantine Empire 1925...
Post by: The Rock Doctor on June 24, 2023, 08:02:47 AM
I feel there could be deck space issues there.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on June 24, 2023, 10:11:22 AM
QuoteI feel there could be deck space issues there.

I add 12m

D14, Byzantine Empire DDAA laid down 1928

Displacement:
   2 000 t light; 2 132 t standard; 2 482 t normal; 2 761 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (448,82 ft / 446,19 ft) x 38,81 ft x (11,94 / 12,85 ft)
   (136,80 m / 136,00 m) x 11,83 m  x (3,64 / 3,92 m)

Armament:
      12 - 4,00" / 102 mm 45,0 cal guns - 33,00lbs / 14,97kg shells, 300 per gun
     Anti-air guns in deck mounts, 1928 Model
     6 x Twin mounts on centreline ends, evenly spread
      4 raised mounts - superfiring
      8 - 1,85" / 47,0 mm 50,0 cal guns - 3,00lbs / 1,36kg shells, 1 000 per gun
     Anti-air guns in deck mounts, 1928 Model
     8 x Single mounts on sides, evenly spread
      8 raised mounts
      8 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 10 000 per gun
     Machine guns in deck mounts, 1928 Model
     4 x 2-gun mounts on side ends, evenly spread
      4 raised mounts
      Weight of broadside 421 lbs / 191 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 44 800 shp / 33 421 Kw = 33,36 kts
   Range 10 000nm at 12,00 kts
   Bunker at max displacement = 629 tons

Complement:
   175 - 228

Cost:
   £1,011 million / $4,045 million

Distribution of weights at normal displacement:
   Armament: 67 tons, 2,7 %
      - Guns: 67 tons, 2,7 %
   Armour: 7 tons, 0,3 %
      - Armament: 7 tons, 0,3 %
   Machinery: 1 244 tons, 50,1 %
   Hull, fittings & equipment: 563 tons, 22,7 %
   Fuel, ammunition & stores: 481 tons, 19,4 %
   Miscellaneous weights: 120 tons, 4,8 %
      - Hull above water: 8 tons
      - On freeboard deck: 80 tons
      - Above deck: 32 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     654 lbs / 297 Kg = 20,4 x 4,0 " / 102 mm shells or 0,4 torpedoes
   Stability (Unstable if below 1.00): 1,31
   Metacentric height 2,0 ft / 0,6 m
   Roll period: 11,6 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,28
   Seaboat quality  (Average = 1.00): 1,03

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,420 / 0,434
   Length to Beam Ratio: 11,50 : 1
   'Natural speed' for length: 21,12 kts
   Power going to wave formation at top speed: 60 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 8,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  18,70 ft / 5,70 m,  15,42 ft / 4,70 m
      - Forward deck:   33,00 %,  15,42 ft / 4,70 m,  12,80 ft / 3,90 m
      - Aft deck:   33,00 %,  12,80 ft / 3,90 m,  12,47 ft / 3,80 m
      - Quarter deck:   16,00 %,  12,47 ft / 3,80 m,  12,80 ft / 3,90 m
      - Average freeboard:      13,86 ft / 4,22 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 172,8 %
      - Above water (accommodation/working, high = better): 157,1 %
   Waterplane Area: 10 797 Square feet or 1 003 Square metres
   Displacement factor (Displacement / loading): 80 %
   Structure weight / hull surface area: 34 lbs/sq ft or 164 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 0,73
      - Overall: 0,52
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

7t for 1924 top mast rangefinder
25t for LR marconi
8t for climatisation
32t for 2x4TTx533HW
15t for improved Hydrophone
5t for 50x90DC
28t reserved for new material, armament, minen.

5100nm@16kts
Trial speed: 34kts
Bonus: 0.64

Title: Re: Byzantine Empire 1925...
Post by: Jefgte on June 24, 2023, 11:00:30 AM
4" gun is not strong enough vs enemy DDs, 140mm is better.

I SS 2000t DD with 140mm guns & better AA armament:
=> PomPom are coming  :)

SD13, Byzantine Empire Super Destroyer laid down 1927

Displacement:
   2 000 t light; 2 115 t standard; 2 460 t normal; 2 735 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (403,73 ft / 400,26 ft) x 39,37 ft x (13,20 / 14,18 ft)
   (123,06 m / 122,00 m) x 12,00 m  x (4,02 / 4,32 m)

Armament:
      6 - 5,51" / 140 mm 50,0 cal guns - 81,99lbs / 37,19kg shells, 200 per gun
     Quick firing guns in deck mounts, 1927 Model
     3 x Twin mounts on centreline ends, majority forward
      1 raised mount - superfiring
      8 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 1 000 per gun
     Anti-air guns in deck mounts, 1927 Model
     4 x Twin mounts on sides, evenly spread
      4 raised mounts
      12 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 6 000 per gun
     Machine guns in deck mounts, 1927 Model
     6 x 2-gun mounts on side ends, majority forward
      6 raised mounts
      Weight of broadside 509 lbs / 231 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,59" / 15 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 45 000 shp / 33 570 Kw = 32,89 kts
   Range 10 000nm at 12,00 kts
   Bunker at max displacement = 620 tons

Complement:
   174 - 227

Cost:
   £0,990 million / $3,959 million

Distribution of weights at normal displacement:
   Armament: 88 tons, 3,6 %
      - Guns: 88 tons, 3,6 %
   Armour: 10 tons, 0,4 %
      - Armament: 10 tons, 0,4 %
   Machinery: 1 236 tons, 50,2 %
   Hull, fittings & equipment: 559 tons, 22,7 %
   Fuel, ammunition & stores: 460 tons, 18,7 %
   Miscellaneous weights: 106 tons, 4,3 %
      - Hull above water: 8 tons
      - On freeboard deck: 64 tons
      - Above deck: 34 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     651 lbs / 295 Kg = 7,8 x 5,5 " / 140 mm shells or 0,4 torpedoes
   Stability (Unstable if below 1.00): 1,32
   Metacentric height 2,0 ft / 0,6 m
   Roll period: 11,6 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,29
   Seaboat quality  (Average = 1.00): 1,02

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,414 / 0,428
   Length to Beam Ratio: 10,17 : 1
   'Natural speed' for length: 20,01 kts
   Power going to wave formation at top speed: 63 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 10,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  19,69 ft / 6,00 m,  16,73 ft / 5,10 m
      - Forward deck:   32,50 %,  16,73 ft / 5,10 m,  13,78 ft / 4,20 m
      - Aft deck:   32,50 %,  13,78 ft / 4,20 m,  13,12 ft / 4,00 m
      - Quarter deck:   17,50 %,  13,12 ft / 4,00 m,  13,78 ft / 4,20 m
      - Average freeboard:      14,82 ft / 4,52 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 175,3 %
      - Above water (accommodation/working, high = better): 153,7 %
   Waterplane Area: 9 784 Square feet or 909 Square metres
   Displacement factor (Displacement / loading): 76 %
   Structure weight / hull surface area: 35 lbs/sq ft or 173 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 1,14
      - Overall: 0,54
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

9t for 1924 top mast rangefinder
25t for LR Marconi

32t for 2x4TTx533HW
15t for improved Hydrophone
5t for 50x90DC
12t reserved for new material, armament, minen.

8t for climatisation
-----------------
4200nm@15kts
Trial speed: 33,5kts
Bonus: 0.66
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on July 04, 2023, 10:28:43 AM
I like this one  :)

8000t Panzerschiff, Byzantine Empire 2T3x234 laid down 1927


Displacement:
   8 000 t light; 8 451 t standard; 9 235 t normal; 9 862 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (573,52 ft / 570,87 ft) x 64,86 ft x (20,11 / 21,05 ft)
   (174,81 m / 174,00 m) x 19,77 m  x (6,13 / 6,42 m)

Armament:
      6 - 9,21" / 234 mm 46,6 cal guns - 380,01lbs / 172,37kg shells, 150 per gun
     Breech loading guns in turret on barbette mounts, 1928 Model
     2 x Triple mounts on centreline ends, evenly spread
      12 - 4,72" / 120 mm 45,0 cal guns - 50,00lbs / 22,68kg shells, 200 per gun
     Quick firing guns in deck mounts, 1928 Model
     6 x 2-gun mounts on sides, evenly spread
      8 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 1 000 per gun
     Anti-air guns in deck mounts, 1928 pompom Model
     8 x Single mounts on side ends, evenly spread
      8 raised mounts
      8 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 4 000 per gun
     Machine guns in deck mounts, 1928 Model
     8 x Single mounts on side ends, evenly spread
      8 raised mounts
      Weight of broadside 2 897 lbs / 1 314 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   3,94" / 100 mm   370,73 ft / 113,00 m   9,84 ft / 3,00 m
   Ends:   1,18" / 30 mm   200,13 ft / 61,00 m   7,87 ft / 2,40 m
   Upper:   1,18" / 30 mm   370,73 ft / 113,00 m   9,19 ft / 2,80 m
     Main Belt covers 100 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   6,69" / 170 mm   2,56" / 65 mm      4,92" / 125 mm
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

   - Armoured deck - single deck:
   For and Aft decks: 1,77" / 45 mm
   Forecastle: 1,18" / 30 mm  Quarter deck: 1,18" / 30 mm

   - Conning towers: Forward 6,69" / 170 mm, Aft 3,94" / 100 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 4 shafts, 62 000 shp / 46 252 Kw = 30,00 kts
   Range 10 000nm at 12,00 kts
   Bunker at max displacement = 1 411 tons

Complement:
   470 - 612

Cost:
   £2,986 million / $11,945 million

Distribution of weights at normal displacement:
   Armament: 676 tons, 7,3 %
      - Guns: 676 tons, 7,3 %
   Armour: 1 937 tons, 21,0 %
      - Belts: 830 tons, 9,0 %
      - Armament: 280 tons, 3,0 %
      - Armour Deck: 726 tons, 7,9 %
      - Conning Towers: 101 tons, 1,1 %
   Machinery: 1 957 tons, 21,2 %
   Hull, fittings & equipment: 3 190 tons, 34,5 %
   Fuel, ammunition & stores: 1 235 tons, 13,4 %
   Miscellaneous weights: 239 tons, 2,6 %
      - Hull below water: 40 tons
      - Hull above water: 40 tons
      - On freeboard deck: 66 tons
      - Above deck: 93 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     9 490 lbs / 4 305 Kg = 24,3 x 9,2 " / 234 mm shells or 1,6 torpedoes
   Stability (Unstable if below 1.00): 1,11
   Metacentric height 3,2 ft / 1,0 m
   Roll period: 15,3 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,48
   Seaboat quality  (Average = 1.00): 1,07

Hull form characteristics:
   Hull has a flush deck,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0,434 / 0,443
   Length to Beam Ratio: 8,80 : 1
   'Natural speed' for length: 23,89 kts
   Power going to wave formation at top speed: 53 %
   Trim (Max stability = 0, Max steadiness = 100): 66
   Bow angle (Positive = bow angles forward): 7,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,00 %,  21,65 ft / 6,60 m,  18,04 ft / 5,50 m
      - Forward deck:   33,50 %,  18,04 ft / 5,50 m,  14,76 ft / 4,50 m
      - Aft deck:   33,50 %,  14,76 ft / 4,50 m,  14,44 ft / 4,40 m
      - Quarter deck:   16,00 %,  14,44 ft / 4,40 m,  14,44 ft / 4,40 m
      - Average freeboard:      16,01 ft / 4,88 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 97,2 %
      - Above water (accommodation/working, high = better): 146,5 %
   Waterplane Area: 23 322 Square feet or 2 167 Square metres
   Displacement factor (Displacement / loading): 107 %
   Structure weight / hull surface area: 103 lbs/sq ft or 503 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,87
      - Longitudinal: 1,16
      - Overall: 0,90
   Caution: Hull subject to strain in open-sea
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

AD
68t for top fire control
25t for Marconi
OD
24t for 2x3TTx21" HW
25t for 1 seaplane & cata
17t reserved
AW/BW
40t for climatisation
40t for additionnal pumps
Title: Re: Byzantine Empire 1925...
Post by: The Rock Doctor on July 04, 2023, 01:45:45 PM
Not bad, not bad.
Title: Re: Byzantine Empire 1925...
Post by: Kaiser Kirk on July 04, 2023, 02:19:08 PM
It's interesting.
Composite hull needs to be 1.0, not 0.9.
For all years, Cruisers with turrets shall have a composite hull strength > 1.0.

I was going to mutter about the 0.434 BC, but with nearly 20m it's just really pointy at the ends.
With only 2 main battery mounts in 'B' and 'X' that should work fine. Von Der Taan did the same.

Certainly would argue against building more 6000t Moulek class..shame I liked those.
Same 'size class' as my Royal Niesan cruisers
Good speed.
The guns are larger than I've been planning for, that would be painful, I'm not sure where they would penetrate my 50mm decks.
You have slightly thinner belts and decks... not sure what that means for vulnerability one vs. the other.
Rate of fire with triples is a little lower, and 6x 234 vs. 12 x 180 is a lot lower.

Title: Re: Byzantine Empire 1925...
Post by: Jefgte on July 08, 2023, 04:58:54 PM
Update AGB3000t Mustha class from 24kts to 25kts TGB speed.
6x191 => 5x191


Mustha-Mesie, Byzantine Empire Colonial Armored Gun Boat laid down 1928

Displacement:
   3 000 t light; 3 191 t standard; 3 408 t normal; 3 581 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (409,45 ft / 406,82 ft) x 47,83 ft x (12,26 / 12,73 ft)
   (124,80 m / 124,00 m) x 14,58 m  x (3,74 / 3,88 m)

Armament:
      3 - 7,52" / 191 mm 45,0 cal guns - 200,00lbs / 90,72kg shells, 150 per gun
     Breech loading guns in deck and hoist mounts, 1928 Model
     3 x Single mounts on centreline ends, majority aft
      2 - 7,52" / 191 mm 45,0 cal guns - 200,00lbs / 90,72kg shells, 150 per gun
     Breech loading guns in deck and hoist mounts, 1928 Model
     2 x Single mounts on sides, forward deck forward
      6 - 4,72" / 120 mm 45,0 cal guns - 50,00lbs / 22,68kg shells, 180 per gun
     Quick firing guns in deck and hoist mounts, 1928 Model
     6 x Single mounts on sides, evenly spread
      8 - 1,57" / 40,0 mm 39,0 cal guns - 1,85lbs / 0,84kg shells, 1 000 per gun
     Anti-air guns in deck mounts, 1928 Model
     4 x 2-gun mounts on side ends, evenly spread
      4 raised mounts
      8 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 4 000 per gun
     Machine guns in deck mounts, 1928 Model
     8 x Single mounts on side ends, evenly spread
      8 raised mounts
      Weight of broadside 1 315 lbs / 597 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   3,94" / 100 mm   265,75 ft / 81,00 m   9,84 ft / 3,00 m
   Ends:   1,18" / 30 mm   137,80 ft / 42,00 m   8,53 ft / 2,60 m
     3,28 ft / 1,00 m Unarmoured ends
     Main Belt covers 100 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   2,76" / 70 mm   1,18" / 30 mm      1,97" / 50 mm
   2nd:   2,76" / 70 mm   1,18" / 30 mm      1,97" / 50 mm
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -
   5th:   0,39" / 10 mm         -               -

   - Armoured deck - single deck:
   For and Aft decks: 1,38" / 35 mm
   Forecastle: 1,18" / 30 mm  Quarter deck: 1,18" / 30 mm

   - Conning towers: Forward 3,94" / 100 mm, Aft 1,18" / 30 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 19 400 shp / 14 473 Kw = 25,05 kts
   Range 5 000nm at 12,00 kts
   Bunker at max displacement = 391 tons

Complement:
   222 - 289

Cost:
   £1,226 million / $4,905 million

Distribution of weights at normal displacement:
   Armament: 371 tons, 10,9 %
      - Guns: 371 tons, 10,9 %
   Armour: 908 tons, 26,6 %
      - Belts: 481 tons, 14,1 %
      - Armament: 78 tons, 2,3 %
      - Armour Deck: 325 tons, 9,5 %
      - Conning Towers: 25 tons, 0,7 %
   Machinery: 600 tons, 17,6 %
   Hull, fittings & equipment: 1 014 tons, 29,8 %
   Fuel, ammunition & stores: 408 tons, 12,0 %
   Miscellaneous weights: 107 tons, 3,1 %
      - Hull below water: 15 tons
      - Hull above water: 15 tons
      - On freeboard deck: 40 tons
      - Above deck: 37 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     3 442 lbs / 1 561 Kg = 16,2 x 7,5 " / 191 mm shells or 1,0 torpedoes
   Stability (Unstable if below 1.00): 1,08
   Metacentric height 1,9 ft / 0,6 m
   Roll period: 14,5 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,72
   Seaboat quality  (Average = 1.00): 1,06

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,500 / 0,506
   Length to Beam Ratio: 8,50 : 1
   'Natural speed' for length: 20,17 kts
   Power going to wave formation at top speed: 54 %
   Trim (Max stability = 0, Max steadiness = 100): 66
   Bow angle (Positive = bow angles forward): 8,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  18,70 ft / 5,70 m,  15,09 ft / 4,60 m
      - Forward deck:   33,00 %,  15,09 ft / 4,60 m,  13,12 ft / 4,00 m
      - Aft deck:   33,00 %,  13,12 ft / 4,00 m,  12,47 ft / 3,80 m
      - Quarter deck:   16,00 %,  12,47 ft / 3,80 m,  12,80 ft / 3,90 m
      - Average freeboard:      13,88 ft / 4,23 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 94,5 %
      - Above water (accommodation/working, high = better): 149,6 %
   Waterplane Area: 12 966 Square feet or 1 205 Square metres
   Displacement factor (Displacement / loading): 98 %
   Structure weight / hull surface area: 65 lbs/sq ft or 316 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,72
      - Longitudinal: 1,08
      - Overall: 0,75
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

37t for top mast rangefinder
15t for climatisation
15t for Additionnal pumps
24t for 2x3TTx533 HW
16t reserved for new material, armament...


Title: Re: Byzantine Empire 1925...
Post by: Jefgte on July 10, 2023, 11:25:11 AM
QuoteRocky loves small boats.
Jef loves Panzerschiff style.

CHAGB7200, Byzantine Empire Colonial  Heavy Armored Gunboat laid down 1928

Displacement:
   7 200 t light; 7 636 t standard; 8 001 t normal; 8 293 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (409,24 ft / 406,82 ft) x 65,62 ft x (19,50 / 20,05 ft)
   (124,74 m / 124,00 m) x 20,00 m  x (5,94 / 6,11 m)

Armament:
      6 - 10,00" / 254 mm 45,0 cal guns - 500,01lbs / 226,80kg shells, 120 per gun
     Breech loading guns in turret on barbette mounts, 1928 Model
     2 x 3-gun mounts on centreline ends, evenly spread
      12 - 4,72" / 120 mm 45,0 cal guns - 50,00lbs / 22,68kg shells, 200 per gun
     Quick firing guns in deck and hoist mounts, 1928 Model
     6 x 2-gun mounts on sides, evenly spread
      8 - 1,57" / 40,0 mm 39,0 cal guns - 1,86lbs / 0,84kg shells, 1 000 per gun
     Anti-air guns in deck mounts, 1928 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      8 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 4 000 per gun
     Machine guns in deck mounts, 1928 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      Weight of broadside 3 616 lbs / 1 640 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   6,30" / 160 mm   265,75 ft / 81,00 m   9,84 ft / 3,00 m
   Ends:   1,38" / 35 mm   141,08 ft / 43,00 m   9,02 ft / 2,75 m
   Upper:   3,54" / 90 mm   265,75 ft / 81,00 m   9,19 ft / 2,80 m
     Main Belt covers 100 % of normal length

   - Torpedo Bulkhead - Strengthened structural bulkheads:
      1,57" / 40 mm   265,75 ft / 81,00 m   18,04 ft / 5,50 m
   Beam between torpedo bulkheads 52,49 ft / 16,00 m

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   7,87" / 200 mm   2,36" / 60 mm      4,72" / 120 mm
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

   - Protected deck - single deck:
   For and Aft decks: 2,36" / 60 mm
   Forecastle: 1,38" / 35 mm  Quarter deck: 1,38" / 35 mm

   - Conning towers: Forward 7,87" / 200 mm, Aft 3,94" / 100 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 4 shafts, 30 000 shp / 22 380 Kw = 24,14 kts
   Range 5 000nm at 12,00 kts
   Bunker at max displacement = 657 tons

Complement:
   422 - 549

Cost:
   £2,778 million / $11,113 million

Distribution of weights at normal displacement:
   Armament: 1 016 tons, 12,7 %
      - Guns: 1 016 tons, 12,7 %
   Armour: 2 605 tons, 32,6 %
      - Belts: 1 160 tons, 14,5 %
      - Torpedo bulkhead: 279 tons, 3,5 %
      - Armament: 314 tons, 3,9 %
      - Armour Deck: 750 tons, 9,4 %
      - Conning Towers: 102 tons, 1,3 %
   Machinery: 934 tons, 11,7 %
   Hull, fittings & equipment: 2 388 tons, 29,8 %
   Fuel, ammunition & stores: 801 tons, 10,0 %
   Miscellaneous weights: 257 tons, 3,2 %
      - Hull below water: 36 tons
      - Hull above water: 36 tons
      - On freeboard deck: 58 tons
      - Above deck: 127 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     10 838 lbs / 4 916 Kg = 21,7 x 10,0 " / 254 mm shells or 2,4 torpedoes
   Stability (Unstable if below 1.00): 1,07
   Metacentric height 3,0 ft / 0,9 m
   Roll period: 15,8 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,71
   Seaboat quality  (Average = 1.00): 1,07

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,538 / 0,542
   Length to Beam Ratio: 6,20 : 1
   'Natural speed' for length: 20,17 kts
   Power going to wave formation at top speed: 59 %
   Trim (Max stability = 0, Max steadiness = 100): 66
   Bow angle (Positive = bow angles forward): 6,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  22,97 ft / 7,00 m,  19,36 ft / 5,90 m
      - Forward deck:   33,00 %,  19,36 ft / 5,90 m,  15,75 ft / 4,80 m
      - Aft deck:   33,00 %,  15,75 ft / 4,80 m,  14,44 ft / 4,40 m
      - Quarter deck:   16,50 %,  14,44 ft / 4,40 m,  14,44 ft / 4,40 m
      - Average freeboard:      16,79 ft / 5,12 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 98,7 %
      - Above water (accommodation/working, high = better): 135,7 %
   Waterplane Area: 18 422 Square feet or 1 711 Square metres
   Displacement factor (Displacement / loading): 100 %
   Structure weight / hull surface area: 122 lbs/sq ft or 597 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,91
      - Longitudinal: 2,30
      - Overall: 1,00
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

25t for Long Range Marconi
102t for top mast rangefinder - FC1924

24t for 2x3TTx21" HW
33t reserved for new equipment, floatplane...

36t for climatisation
36t for additionnal pumps


Title: Re: Byzantine Empire 1925...
Post by: Jefgte on July 11, 2023, 12:51:38 AM
Deck armor, range have been reduced and various adjustments have brought the tonnage down to 6800t.

CHAGB6800, Byzantine Empire Colonial  Heavy Armored Gunboat laid down 1928

Displacement:
   6 800 t light; 7 227 t standard; 7 548 t normal; 7 806 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (409,24 ft / 406,82 ft) x 65,62 ft x (18,40 / 18,88 ft)
   (124,74 m / 124,00 m) x 20,00 m  x (5,61 / 5,76 m)

Armament:
      6 - 10,00" / 254 mm 45,0 cal guns - 500,01lbs / 226,80kg shells, 120 per gun
     Breech loading guns in turret on barbette mounts, 1928 Model
     2 x 3-gun mounts on centreline ends, evenly spread
      12 - 4,72" / 120 mm 45,0 cal guns - 50,00lbs / 22,68kg shells, 200 per gun
     Quick firing guns in deck and hoist mounts, 1928 Model
     6 x 2-gun mounts on sides, evenly spread
      8 - 1,57" / 40,0 mm 39,0 cal guns - 1,85lbs / 0,84kg shells, 1 000 per gun
     Anti-air guns in deck mounts, 1928 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      8 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 4 000 per gun
     Machine guns in deck mounts, 1928 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      Weight of broadside 3 615 lbs / 1 640 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   6,30" / 160 mm   269,03 ft / 82,00 m   9,84 ft / 3,00 m
   Ends:   1,38" / 35 mm   134,51 ft / 41,00 m   9,02 ft / 2,75 m
     3,28 ft / 1,00 m Unarmoured ends
   Upper:   1,38" / 35 mm   269,03 ft / 82,00 m   9,19 ft / 2,80 m
     Main Belt covers 102 % of normal length

   - Torpedo Bulkhead - Strengthened structural bulkheads:
      1,57" / 40 mm   269,03 ft / 82,00 m   16,40 ft / 5,00 m
   Beam between torpedo bulkheads 52,49 ft / 16,00 m

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   7,87" / 200 mm   2,36" / 60 mm      4,72" / 120 mm
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

   - Protected deck - single deck:
   For and Aft decks: 1,97" / 50 mm
   Forecastle: 1,38" / 35 mm  Quarter deck: 1,38" / 35 mm

   - Conning towers: Forward 7,87" / 200 mm, Aft 3,94" / 100 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 4 shafts, 28 300 shp / 21 112 Kw = 24,00 kts
   Range 4 500nm at 12,00 kts
   Bunker at max displacement = 579 tons

Complement:
   404 - 526

Cost:
   £2,696 million / $10,786 million

Distribution of weights at normal displacement:
   Armament: 1 016 tons, 13,5 %
      - Guns: 1 016 tons, 13,5 %
   Armour: 2 240 tons, 29,7 %
      - Belts: 932 tons, 12,3 %
      - Torpedo bulkhead: 257 tons, 3,4 %
      - Armament: 314 tons, 4,2 %
      - Armour Deck: 639 tons, 8,5 %
      - Conning Towers: 98 tons, 1,3 %
   Machinery: 881 tons, 11,7 %
   Hull, fittings & equipment: 2 405 tons, 31,9 %
   Fuel, ammunition & stores: 749 tons, 9,9 %
   Miscellaneous weights: 257 tons, 3,4 %
      - Hull below water: 36 tons
      - Hull above water: 36 tons
      - On freeboard deck: 58 tons
      - Above deck: 127 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     10 328 lbs / 4 685 Kg = 20,7 x 10,0 " / 254 mm shells or 2,2 torpedoes
   Stability (Unstable if below 1.00): 1,09
   Metacentric height 3,1 ft / 1,0 m
   Roll period: 15,6 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,71
   Seaboat quality  (Average = 1.00): 1,06

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,538 / 0,542
   Length to Beam Ratio: 6,20 : 1
   'Natural speed' for length: 20,17 kts
   Power going to wave formation at top speed: 58 %
   Trim (Max stability = 0, Max steadiness = 100): 66
   Bow angle (Positive = bow angles forward): 6,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  22,97 ft / 7,00 m,  19,36 ft / 5,90 m
      - Forward deck:   33,00 %,  19,36 ft / 5,90 m,  15,75 ft / 4,80 m
      - Aft deck:   33,00 %,  15,75 ft / 4,80 m,  14,44 ft / 4,40 m
      - Quarter deck:   16,50 %,  14,44 ft / 4,40 m,  14,44 ft / 4,40 m
      - Average freeboard:      16,79 ft / 5,12 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 101,6 %
      - Above water (accommodation/working, high = better): 141,8 %
   Waterplane Area: 18 422 Square feet or 1 711 Square metres
   Displacement factor (Displacement / loading): 100 %
   Structure weight / hull surface area: 124 lbs/sq ft or 604 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,91
      - Longitudinal: 2,26
      - Overall: 1,00
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

25t for Long Range Marconi
102t for top mast rangefinder - FC1924

24t for 2x3TTx21" HW
33t reserved for new equipment, floatplane...

36t for climatisation
36t for additionnal pumps

Title: Re: Byzantine Empire 1925...
Post by: Kaiser Kirk on July 11, 2023, 10:54:29 PM
Generally I avoid commenting on Byzantine ships, as I'd like to see them armored with satin sheets and armed with pillows...
However, many of your designs are very compact and so I like to examine them to see how you're doing it :)
For these I keep coming up in the 12-13,000 ton range for my parameters, which is vastly larger....

But trying to understand CHAGB6800..
There is an upper belt, ..but a single protected deck.
So there's no armor deck capping the upper belt.
is the idea of the upper belt to guard against diving shells coming over the main belt and landing on the slope of the protective deck?


Also, the TDS is 5.0m which seemed odd, they normally default to an odd height.
Putting in the hull parameters, you shaved off 0.11m... so presumably it does not even come up to the waterline?
I realize I do overkill by extending mine to the bottom of my armor decks, but trimming it seems like a curious choice.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on July 12, 2023, 11:14:31 AM
Quote...But trying to understand CHAGB6800..
There is an upper belt, ..but a single protected deck.
So there's no armor deck capping the upper belt.
is the idea of the upper belt to guard against diving shells coming over the main belt and landing on the slope of the protective deck?


Also, the TDS is 5.0m which seemed odd, they normally default to an odd height.
Putting in the hull parameters, you shaved off 0.11m... so presumably it does not even come up to the waterline?
I realize I do overkill by extending mine to the bottom of my armor decks, but trimming it seems like a curious choice.

It's often quick SS that I post to see the feasibility of certain ideas.
If this class is built, the SS will be adjusted.
Title: Re: Byzantine Empire 1925...
Post by: The Rock Doctor on July 12, 2023, 02:09:47 PM
Yeah, I was intrigued enough to design a near-duplicate, but then I started tweaking and it grew to 13,000 t.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on July 18, 2023, 04:53:12 PM
Possible Colonial Armored Gun Boat

With 3T2x152

M class, Byzantine Empire AGB3000 laid down 1928


Displacement:
   3 000 t light; 3 193 t standard; 3 388 t normal; 3 544 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (409,28 ft / 406,82 ft) x 45,93 ft x (13,11 / 13,56 ft)
   (124,75 m / 124,00 m) x 14,00 m  x (4,00 / 4,13 m)

Armament:
      6 - 5,98" / 152 mm 45,0 cal guns - 108,07lbs / 49,02kg shells, 190 per gun
     Quick firing guns in deck and hoist mounts, 1928 Model
     3 x 2-gun mounts on centreline ends, majority aft
      8 - 4,72" / 120 mm 45,0 cal guns - 53,18lbs / 24,12kg shells, 220 per gun
     Quick firing guns in deck mounts, 1928 Model
     4 x 2-gun mounts on sides, forward evenly spread
      4 - 1,57" / 40,0 mm 39,0 cal guns - 1,85lbs / 0,84kg shells, 1 000 per gun
     Quick firing guns in deck mounts, 1928 Model
     4 x Single mounts on sides, forward evenly spread
      4 raised mounts
      4 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 4 000 per gun
     Machine guns in deck mounts, 1928 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      Weight of broadside 1 082 lbs / 491 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   3,54" / 90 mm   272,31 ft / 83,00 m   9,84 ft / 3,00 m
   Ends:   1,18" / 30 mm   131,23 ft / 40,00 m   7,87 ft / 2,40 m
     3,28 ft / 1,00 m Unarmoured ends
     Main Belt covers 103 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   3,54" / 90 mm   1,18" / 30 mm      1,57" / 40 mm
   2nd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -
   5th:   0,39" / 10 mm         -               -

   - Armoured deck - multiple decks:
   For and Aft decks: 1,77" / 45 mm
   Forecastle: 1,18" / 30 mm  Quarter deck: 1,18" / 30 mm

   - Conning towers: Forward 3,54" / 90 mm, Aft 1,18" / 30 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 25 680 shp / 19 157 Kw = 27,00 kts
   Range 4 500nm at 12,00 kts
   Bunker at max displacement = 351 tons

Complement:
   221 - 288

Cost:
   £1,142 million / $4,567 million

Distribution of weights at normal displacement:
   Armament: 248 tons, 7,3 %
      - Guns: 248 tons, 7,3 %
   Armour: 892 tons, 26,3 %
      - Belts: 436 tons, 12,9 %
      - Armament: 52 tons, 1,5 %
      - Armour Deck: 381 tons, 11,2 %
      - Conning Towers: 23 tons, 0,7 %
   Machinery: 799 tons, 23,6 %
   Hull, fittings & equipment: 950 tons, 28,1 %
   Fuel, ammunition & stores: 388 tons, 11,4 %
   Miscellaneous weights: 110 tons, 3,2 %
      - Hull below water: 15 tons
      - Hull above water: 15 tons
      - On freeboard deck: 30 tons
      - Above deck: 50 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     3 142 lbs / 1 425 Kg = 29,3 x 6,0 " / 152 mm shells or 0,9 torpedoes
   Stability (Unstable if below 1.00): 1,11
   Metacentric height 1,9 ft / 0,6 m
   Roll period: 14,0 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,59
   Seaboat quality  (Average = 1.00): 1,05

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,484 / 0,490
   Length to Beam Ratio: 8,86 : 1
   'Natural speed' for length: 20,17 kts
   Power going to wave formation at top speed: 57 %
   Trim (Max stability = 0, Max steadiness = 100): 67
   Bow angle (Positive = bow angles forward): 7,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  20,01 ft / 6,10 m,  16,73 ft / 5,10 m
      - Forward deck:   33,00 %,  16,73 ft / 5,10 m,  13,45 ft / 4,10 m
      - Aft deck:   33,00 %,  13,45 ft / 4,10 m,  12,47 ft / 3,80 m
      - Quarter deck:   16,00 %,  12,47 ft / 3,80 m,  12,80 ft / 3,90 m
      - Average freeboard:      14,53 ft / 4,43 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 102,0 %
      - Above water (accommodation/working, high = better): 148,3 %
   Waterplane Area: 12 272 Square feet or 1 140 Square metres
   Displacement factor (Displacement / loading): 100 %
   Structure weight / hull surface area: 58 lbs/sq ft or 285 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,71
      - Longitudinal: 1,15
      - Overall: 0,75
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

25t for Long Range Marconi
25t for top mast rangefinder - FC1924
15t for climatisation
15t for additionnal pumps
16t for 4TTx21" HW
14t reserved for new materials, armament

---------------------

With 3T2x191

M class, Byzantine Empire AGB3000 laid down 1928


Displacement:
   3 000 t light; 3 204 t standard; 3 389 t normal; 3 538 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (409,25 ft / 406,82 ft) x 45,93 ft x (13,12 / 13,54 ft)
   (124,74 m / 124,00 m) x 14,00 m  x (4,00 / 4,13 m)

Armament:
      6 - 7,52" / 191 mm 45,0 cal guns - 200,00lbs / 90,72kg shells, 160 per gun
     Breech loading guns in deck and hoist mounts, 1928 Model
     3 x 2-gun mounts on centreline ends, majority aft
      4 - 4,72" / 120 mm 45,0 cal guns - 50,00lbs / 22,68kg shells, 220 per gun
     Quick firing guns in deck mounts, 1928 Model
     2 x 2-gun mounts on sides, forward deck centre
      4 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 1 000 per gun
     Anti-air guns in deck mounts, 1928 Model
     4 x Single mounts on sides, forward evenly spread
      4 raised mounts
      4 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 4 000 per gun
     Machine guns in deck mounts, 1928 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      Weight of broadside 1 408 lbs / 639 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   2,36" / 60 mm   0,79" / 20 mm      0,98" / 25 mm
   2nd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -
   5th:   0,39" / 10 mm         -               -

   - Box over machinery & magazines:
   2,76" / 70 mm

   - Conning towers: Forward 2,76" / 70 mm, Aft 1,18" / 30 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 25 700 shp / 19 172 Kw = 27,00 kts
   Range 4 250nm at 12,00 kts
   Bunker at max displacement = 333 tons

Complement:
   221 - 288

Cost:
   £1,319 million / $5,278 million

Distribution of weights at normal displacement:
   Armament: 376 tons, 11,1 %
      - Guns: 376 tons, 11,1 %
   Armour: 744 tons, 22,0 %
      - Armament: 39 tons, 1,2 %
      - Armour Deck: 686 tons, 20,2 %
      - Conning Towers: 19 tons, 0,6 %
   Machinery: 779 tons, 23,0 %
   Hull, fittings & equipment: 1 017 tons, 30,0 %
   Fuel, ammunition & stores: 389 tons, 11,5 %
   Miscellaneous weights: 84 tons, 2,5 %
      - Hull below water: 1 tons
      - Hull above water: 15 tons
      - On freeboard deck: 30 tons
      - Above deck: 38 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     2 577 lbs / 1 169 Kg = 12,1 x 7,5 " / 191 mm shells or 0,8 torpedoes
   Stability (Unstable if below 1.00): 1,04
   Metacentric height 1,7 ft / 0,5 m
   Roll period: 14,8 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,89
   Seaboat quality  (Average = 1.00): 1,03

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,484 / 0,489
   Length to Beam Ratio: 8,86 : 1
   'Natural speed' for length: 20,17 kts
   Power going to wave formation at top speed: 57 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 7,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  19,77 ft / 6,03 m,  16,49 ft / 5,03 m
      - Forward deck:   33,00 %,  16,49 ft / 5,03 m,  13,21 ft / 4,03 m
      - Aft deck:   33,00 %,  13,21 ft / 4,03 m,  12,22 ft / 3,73 m
      - Quarter deck:   16,00 %,  12,22 ft / 3,73 m,  12,88 ft / 3,93 m
      - Average freeboard:      14,31 ft / 4,36 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 111,7 %
      - Above water (accommodation/working, high = better): 145,7 %
   Waterplane Area: 12 272 Square feet or 1 140 Square metres
   Displacement factor (Displacement / loading): 92 %
   Structure weight / hull surface area: 66 lbs/sq ft or 322 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,72
      - Longitudinal: 1,26
      - Overall: 0,77
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

38t for top mast rangefinder - FC1924
15t for climatisation
16t for 4TTx21" HW
14t reserved for new materials, armaments

Title: Re: Byzantine Empire 1925...
Post by: Jefgte on July 19, 2023, 11:11:13 AM
Rework 3000t with 3T2x152

I like this one

M class, Byzantine Empire AGB3000 laid down 1928

Displacement:
   3 000 t light; 3 193 t standard; 3 388 t normal; 3 544 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (409,64 ft / 406,82 ft) x 45,93 ft x (13,11 / 13,56 ft)
   (124,86 m / 124,00 m) x 14,00 m  x (4,00 / 4,13 m)

Armament:
      6 - 5,98" / 152 mm 45,0 cal guns - 100,00lbs / 45,36kg shells, 200 per gun
     Quick firing guns in deck and hoist mounts, 1928 Model
     3 x 2-gun mounts on centreline ends, majority aft
      8 - 4,72" / 120 mm 45,0 cal guns - 50,00lbs / 22,68kg shells, 220 per gun
     Quick firing guns in deck mounts, 1928 Model
     4 x 2-gun mounts on sides, forward evenly spread
      8 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 1 000 per gun
      Anti-air guns in deck mounts, 1928 Model
     4 x 2-gun mounts on sides, forward evenly spread
      4 raised mounts
      4 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 4 000 per gun
     Machine guns in deck mounts, 1928 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      Weight of broadside 1 016 lbs / 461 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   3,54" / 90 mm   272,31 ft / 83,00 m   9,84 ft / 3,00 m
   Ends:   1,18" / 30 mm   131,23 ft / 40,00 m   7,87 ft / 2,40 m
     3,28 ft / 1,00 m Unarmoured ends
     Main Belt covers 103 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   3,54" / 90 mm   1,18" / 30 mm      1,57" / 40 mm
   2nd:   0,79" / 20 mm         -               -
   4th:   0,39" / 10 mm         -               -
   5th:   0,39" / 10 mm         -               -

   - Armoured deck - multiple decks:
   For and Aft decks: 1,57" / 40 mm
   Forecastle: 1,18" / 30 mm  Quarter deck: 1,18" / 30 mm

   - Conning towers: Forward 3,54" / 90 mm, Aft 1,18" / 30 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 25 680 shp / 19 157 Kw = 27,00 kts
   Range 4 500nm at 12,00 kts
   Bunker at max displacement = 351 tons

Complement:
   221 - 288

Cost:
   £1,143 million / $4,571 million

Distribution of weights at normal displacement:
   Armament: 250 tons, 7,4 %
      - Guns: 250 tons, 7,4 %
   Armour: 861 tons, 25,4 %
      - Belts: 437 tons, 12,9 %
      - Armament: 56 tons, 1,7 %
      - Armour Deck: 344 tons, 10,2 %
      - Conning Towers: 23 tons, 0,7 %
   Machinery: 798 tons, 23,6 %
   Hull, fittings & equipment: 935 tons, 27,6 %
   Fuel, ammunition & stores: 388 tons, 11,4 %
   Miscellaneous weights: 156 tons, 4,6 %
      - Hull below water: 15 tons
      - Hull above water: 15 tons
      - On freeboard deck: 76 tons
      - Above deck: 50 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     3 120 lbs / 1 415 Kg = 29,1 x 6,0 " / 152 mm shells or 0,9 torpedoes
   Stability (Unstable if below 1.00): 1,10
   Metacentric height 1,9 ft / 0,6 m
   Roll period: 14,1 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,56
   Seaboat quality  (Average = 1.00): 1,05

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,484 / 0,490
   Length to Beam Ratio: 8,86 : 1
   'Natural speed' for length: 20,17 kts
   Power going to wave formation at top speed: 57 %
   Trim (Max stability = 0, Max steadiness = 100): 67
   Bow angle (Positive = bow angles forward): 8,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  20,01 ft / 6,10 m,  16,73 ft / 5,10 m
      - Forward deck:   33,00 %,  16,73 ft / 5,10 m,  13,45 ft / 4,10 m
      - Aft deck:   33,00 %,  13,45 ft / 4,10 m,  12,47 ft / 3,80 m
      - Quarter deck:   16,00 %,  12,47 ft / 3,80 m,  12,80 ft / 3,90 m
      - Average freeboard:      14,53 ft / 4,43 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 102,0 %
      - Above water (accommodation/working, high = better): 148,3 %
   Waterplane Area: 12 272 Square feet or 1 140 Square metres
   Displacement factor (Displacement / loading): 100 %
   Structure weight / hull surface area: 58 lbs/sq ft or 282 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,71
      - Longitudinal: 1,14
      - Overall: 0,75
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

AD
25t for Long Range Marconi
25t for top mast rangefinder - FC1924
OD
15t for enhanced hydrophonne
5t for 50 DC
24t for 2x3TTx21" HW
32t reserved for new materials, armaments or 32 minen
AW
15t for climatisation
BW
15t for additionnal pumps
Title: Re: Byzantine Empire 1925...
Post by: Kaiser Kirk on July 19, 2023, 02:59:40 PM
Quote from: Jefgte on July 19, 2023, 11:11:13 AM
Rework 3000t with 3T2x152

I like this one.


M class, Byzantine Empire AGB3000 laid down 1928


Looks good, I will have to take a closer look to see where it differs from my Sibari gunboats,
I see you managed more speed, about the same armor.  I'm guessing the armament weight is about the same,
which may mean you have a more efficient hull shape.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on July 19, 2023, 04:19:28 PM
Same design but I replace 4T2x120 by 1T2x152

M class, Byzantine Empire AGB3000 laid down 1928

Displacement:
   3 000 t light; 3 166 t standard; 3 360 t normal; 3 515 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (409,28 ft / 406,82 ft) x 45,93 ft x (13,00 / 13,44 ft)
   (124,75 m / 124,00 m) x 14,00 m  x (3,96 / 4,10 m)

Armament:
      8 - 5,98" / 152 mm 45,0 cal guns - 100,00lbs / 45,36kg shells, 200 per gun
     Quick firing guns in deck and hoist mounts, 1928 Model
     4 x 2-gun mounts on centreline, evenly spread
      8 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 1 000 per gun
     Quick firing guns in deck mounts, 1928 Model
     4 x 2-gun mounts on side ends, evenly spread
      4 raised mounts
      8 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 4 000 per gun
     Machine guns in deck mounts, 1928 Model
     8 x 2-gun mounts on side ends, evenly spread
      4 raised mounts - superfiring
      Weight of broadside 817 lbs / 370 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   3,54" / 90 mm   269,03 ft / 82,00 m   9,84 ft / 3,00 m
   Ends:   1,18" / 30 mm   134,51 ft / 41,00 m   7,87 ft / 2,40 m
     3,28 ft / 1,00 m Unarmoured ends
     Main Belt covers 102 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   4,33" / 110 mm   1,18" / 30 mm      1,57" / 40 mm
   4th:   0,39" / 10 mm         -               -
   5th:   0,39" / 10 mm         -               -

   - Armoured deck - multiple decks:
   For and Aft decks: 1,57" / 40 mm
   Forecastle: 1,18" / 30 mm  Quarter deck: 1,18" / 30 mm

   - Conning towers: Forward 3,54" / 90 mm, Aft 1,18" / 30 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 25 570 shp / 19 075 Kw = 27,00 kts
   Range 4 500nm at 12,00 kts
   Bunker at max displacement = 349 tons

Complement:
   219 - 286

Cost:
   £1,141 million / $4,562 million

Distribution of weights at normal displacement:
   Armament: 233 tons, 6,9 %
      - Guns: 233 tons, 6,9 %
   Armour: 869 tons, 25,9 %
      - Belts: 434 tons, 12,9 %
      - Armament: 67 tons, 2,0 %
      - Armour Deck: 344 tons, 10,2 %
      - Conning Towers: 23 tons, 0,7 %
   Machinery: 793 tons, 23,6 %
   Hull, fittings & equipment: 953 tons, 28,4 %
   Fuel, ammunition & stores: 360 tons, 10,7 %
   Miscellaneous weights: 152 tons, 4,5 %
      - Hull below water: 15 tons
      - Hull above water: 15 tons
      - On freeboard deck: 74 tons
      - Above deck: 48 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     3 127 lbs / 1 418 Kg = 29,2 x 6,0 " / 152 mm shells or 0,9 torpedoes
   Stability (Unstable if below 1.00): 1,07
   Metacentric height 1,8 ft / 0,5 m
   Roll period: 14,5 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,54
   Seaboat quality  (Average = 1.00): 1,04

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,484 / 0,490
   Length to Beam Ratio: 8,86 : 1
   'Natural speed' for length: 20,17 kts
   Power going to wave formation at top speed: 57 %
   Trim (Max stability = 0, Max steadiness = 100): 67
   Bow angle (Positive = bow angles forward): 7,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  20,01 ft / 6,10 m,  16,90 ft / 5,15 m
      - Forward deck:   33,00 %,  16,90 ft / 5,15 m,  13,78 ft / 4,20 m
      - Aft deck:   33,00 %,  13,78 ft / 4,20 m,  12,47 ft / 3,80 m
      - Quarter deck:   16,00 %,  12,47 ft / 3,80 m,  12,80 ft / 3,90 m
      - Average freeboard:      14,68 ft / 4,47 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 101,5 %
      - Above water (accommodation/working, high = better): 151,9 %
   Waterplane Area: 12 272 Square feet or 1 140 Square metres
   Displacement factor (Displacement / loading): 99 %
   Structure weight / hull surface area: 58 lbs/sq ft or 281 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,71
      - Longitudinal: 1,12
      - Overall: 0,75
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

AD
25t for Long Range Marconi
23t for top mast rangefinder - FC1924
OD
15t for enhanced hydrophone
5t for DC
24t for 2x3TTx21" HW
30t reserved for new materials, armament or minen
AW
15t for climatisation
BW
15t for additionnal pumps

Title: Re: Byzantine Empire 1925...
Post by: TacCovert4 on July 19, 2023, 04:43:11 PM
I've played with both styles, using 180s and 130s.  Honestly, given that 152s are DD killers and have enough RoF, I'd rather have more 152s and skip the 120s. 

This dynamic would change if you had DP secondaries, as then you have to balance AA fires and surface fires.
Title: Re: Byzantine Empire 1925...
Post by: Kaiser Kirk on July 19, 2023, 10:04:48 PM
To me, the 152mm should train and fire fast enough the 120mm would be redundant. Even single 191s should be reasonable in that role without the 120s.

For my vessel, I have roughly the same weapons, but 6x 165 + 6x163 HOW, to focus on its gunboat role. Given the speed difference, I should have had tonnage to do more :)
I believe one of my Scout Frigate proposals looked more like your configuration, but at 28knots, not fast enough for the role I wanted.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on July 22, 2023, 09:58:59 AM
Gunboat intended for use in the colonies. The armament has been favored over the speed and the protection which nevertheless remains correct.
These Gunboat will operate with Colonial 22-24kts battleships and 25kts TGBs.

M class, Byzantine Empire Armored Gun Boat - AGB3000 laid down 1928

Displacement:
   3 000 t light; 3 213 t standard; 3 410 t normal; 3 569 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (409,24 ft / 406,82 ft) x 50,85 ft x (11,90 / 12,30 ft)
   (124,74 m / 124,00 m) x 15,50 m  x (3,63 / 3,75 m)

Armament:
      6 - 7,52" / 191 mm 45,0 cal guns - 200,00lbs / 90,72kg shells, 143 per gun
     Breech loading guns in deck and hoist mounts, 1928 Model
     3 x 2-gun mounts on centreline ends, majority aft
      8 - 4,72" / 120 mm 45,0 cal guns - 50,00lbs / 22,68kg shells, 184 per gun
     Quick firing guns in deck mounts, 1928 Model
     4 x 2-gun mounts on sides, forward evenly spread
      8 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 900 per gun
     Anti-air guns in deck mounts, 1928 Model
     4 x 2-gun mounts on sides, forward evenly spread
      4 raised mounts
      4 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 4 000 per gun
     Machine guns in deck mounts, 1928 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      Weight of broadside 1 616 lbs / 733 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   3,15" / 80 mm   275,59 ft / 84,00 m   9,84 ft / 3,00 m
   Ends:   0,98" / 25 mm   127,95 ft / 39,00 m   7,87 ft / 2,40 m
     3,28 ft / 1,00 m Unarmoured ends
     Main Belt covers 104 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   4,33" / 110 mm   0,79" / 20 mm      1,38" / 35 mm
   2nd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -
   5th:   0,39" / 10 mm         -               -

   - Armoured deck - single deck:
   For and Aft decks: 1,18" / 30 mm
   Forecastle: 0,79" / 20 mm  Quarter deck: 0,79" / 20 mm

   - Conning towers: Forward 3,15" / 80 mm, Aft 1,18" / 30 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 21 860 shp / 16 308 Kw = 25,78 kts
   Range 4 500nm at 12,00 kts
   Bunker at max displacement = 356 tons

Complement:
   223 - 290

Cost:
   £1,302 million / $5,209 million

Distribution of weights at normal displacement:
   Armament: 415 tons, 12,2 %
      - Guns: 415 tons, 12,2 %
   Armour: 744 tons, 21,8 %
      - Belts: 391 tons, 11,5 %
      - Armament: 49 tons, 1,4 %
      - Armour Deck: 282 tons, 8,3 %
      - Conning Towers: 21 tons, 0,6 %
   Machinery: 672 tons, 19,7 %
   Hull, fittings & equipment: 1 073 tons, 31,5 %
   Fuel, ammunition & stores: 411 tons, 12,0 %
   Miscellaneous weights: 97 tons, 2,8 %
      - Hull below water: 15 tons
      - Hull above water: 15 tons
      - On freeboard deck: 26 tons
      - Above deck: 41 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     3 234 lbs / 1 467 Kg = 15,2 x 7,5 " / 191 mm shells or 1,0 torpedoes
   Stability (Unstable if below 1.00): 1,12
   Metacentric height 2,2 ft / 0,7 m
   Roll period: 14,2 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,68
   Seaboat quality  (Average = 1.00): 1,03

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,485 / 0,491
   Length to Beam Ratio: 8,00 : 1
   'Natural speed' for length: 20,17 kts
   Power going to wave formation at top speed: 55 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 7,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  19,69 ft / 6,00 m,  16,57 ft / 5,05 m
      - Forward deck:   33,50 %,  16,57 ft / 5,05 m,  13,29 ft / 4,05 m
      - Aft deck:   33,50 %,  13,29 ft / 4,05 m,  13,12 ft / 4,00 m
      - Quarter deck:   15,50 %,  13,12 ft / 4,00 m,  13,12 ft / 4,00 m
      - Average freeboard:      14,58 ft / 4,44 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 104,2 %
      - Above water (accommodation/working, high = better): 163,4 %
   Waterplane Area: 13 599 Square feet or 1 263 Square metres
   Displacement factor (Displacement / loading): 96 %
   Structure weight / hull surface area: 68 lbs/sq ft or 330 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,71
      - Longitudinal: 1,22
      - Overall: 0,75
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

AD
41t for top mast rangefinder - FC1924
OD
16t for 2x2TTx21" HW
10t reserved for new materials, armaments.
AW
15t for climatisation
BW
15t for additionnal pumps
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on July 28, 2023, 10:07:39 AM
C12 class is the 30kts version of AGB3000 with cruiser equipment.

Merka - Malha, Byzantine Empire C12 laid down 1928

Displacement:
   6 000 t light; 6 319 t standard; 7 046 t normal; 7 627 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (491,75 ft / 488,85 ft) x 55,58 ft x (18,15 / 19,28 ft)
   (149,88 m / 149,00 m) x 16,94 m  x (5,53 / 5,88 m)

Armament:
      6 - 7,52" / 191 mm 45,0 cal guns - 200,00lbs / 90,72kg shells, 170 per gun
     Breech loading guns in turret on barbette mounts, 1928 Model
     3 x 2-gun mounts on centreline ends, majority aft
      8 - 4,72" / 120 mm 45,0 cal guns - 50,00lbs / 22,68kg shells, 200 per gun
     Quick firing guns in deck and hoist mounts, 1928 Model
     4 x 2-gun mounts on sides, forward evenly spread
      16 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 1 000 per gun
     Anti-air guns in deck mounts, 1928 Model
     8 x 2-gun mounts on sides, evenly spread
      8 raised mounts
      16 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 4 000 per gun
     Machine guns in deck mounts, 1928 Model
     8 x 2-gun mounts on sides, evenly spread
      8 raised mounts
      Weight of broadside 1 633 lbs / 741 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   3,94" / 100 mm   337,93 ft / 103,00 m   9,84 ft / 3,00 m
   Ends:   1,41" / 36 mm   150,89 ft / 45,99 m   7,87 ft / 2,40 m
     Main Belt covers 106 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   5,51" / 140 mm   1,18" / 30 mm      1,97" / 50 mm
   2nd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -
   5th:   0,39" / 10 mm         -               -

   - Protected deck - single deck:
   For and Aft decks: 1,57" / 40 mm
   Forecastle: 0,98" / 25 mm  Quarter deck: 0,98" / 25 mm

   - Conning towers: Forward 3,54" / 90 mm, Aft 1,18" / 30 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 4 shafts, 57 900 shp / 43 193 Kw = 30,01 kts
   Range 8 000nm at 14,00 kts
   Bunker at max displacement = 1 308 tons

Complement:
   383 - 499

Cost:
   £2,390 million / $9,559 million

Distribution of weights at normal displacement:
   Armament: 485 tons, 6,9 %
      - Guns: 485 tons, 6,9 %
   Armour: 1 275 tons, 18,1 %
      - Belts: 599 tons, 8,5 %
      - Armament: 141 tons, 2,0 %
      - Armour Deck: 497 tons, 7,1 %
      - Conning Towers: 37 tons, 0,5 %
   Machinery: 1 803 tons, 25,6 %
   Hull, fittings & equipment: 2 219 tons, 31,5 %
   Fuel, ammunition & stores: 1 045 tons, 14,8 %
   Miscellaneous weights: 219 tons, 3,1 %
      - Hull below water: 30 tons
      - Hull above water: 30 tons
      - On freeboard deck: 85 tons
      - Above deck: 74 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     6 609 lbs / 2 998 Kg = 31,1 x 7,5 " / 191 mm shells or 1,2 torpedoes
   Stability (Unstable if below 1.00): 1,05
   Metacentric height 2,3 ft / 0,7 m
   Roll period: 15,4 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,60
   Seaboat quality  (Average = 1.00): 1,01

Hull form characteristics:
   Hull has a flush deck,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0,500 / 0,510
   Length to Beam Ratio: 8,80 : 1
   'Natural speed' for length: 22,11 kts
   Power going to wave formation at top speed: 59 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 7,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  23,62 ft / 7,20 m,  20,34 ft / 6,20 m
      - Forward deck:   33,50 %,  20,34 ft / 6,20 m,  17,06 ft / 5,20 m
      - Aft deck:   33,52 %,  17,06 ft / 5,20 m,  16,40 ft / 5,00 m
      - Quarter deck:   15,48 %,  16,40 ft / 5,00 m,  16,40 ft / 5,00 m
      - Average freeboard:      18,20 ft / 5,55 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 106,2 %
      - Above water (accommodation/working, high = better): 159,5 %
   Waterplane Area: 18 102 Square feet or 1 682 Square metres
   Displacement factor (Displacement / loading): 106 %
   Structure weight / hull surface area: 87 lbs/sq ft or 425 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,85
      - Longitudinal: 1,49
      - Overall: 0,90
   Caution: Hull subject to strain in open-sea
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

AD
49t for top fire control
25t for Marconi
OD
24t for 2x3TTx533 HW
25t for Seaplane + cata
45t reserved
AW
30t for climatisation
BW
30t for additionnal pumps
Title: Re: Byzantine Empire 1925...
Post by: The Rock Doctor on July 28, 2023, 11:38:32 AM
Looks pretty good except the hull strength needs to be 1.00 to go with the turrets...
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on July 28, 2023, 04:14:34 PM
Why build 6000t and 8000t cruisers?
=> let's try 7000t instead

C12, Byzantine Empire C12 laid down 1928

Displacement:
   7 000 t light; 7 418 t standard; 8 220 t normal; 8 861 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (534,40 ft / 531,50 ft) x 59,06 ft x (18,33 / 19,41 ft)
   (162,88 m / 162,00 m) x 18,00 m  x (5,59 / 5,91 m)

Armament:
      10 - 7,52" / 191 mm 45,0 cal guns - 200,00lbs / 90,72kg shells, 170 per gun
     Breech loading guns in deck and hoist mounts, 1928 Model
     5 x 2-gun mounts on centreline ends, majority forward
      2 raised mounts - superfiring
      8 - 4,72" / 120 mm 45,0 cal guns - 50,00lbs / 22,68kg shells, 200 per gun
     Quick firing guns in deck and hoist mounts, 1928 Model
     4 x 2-gun mounts on sides, evenly spread
      16 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 1 000 per gun
     Anti-air guns in deck mounts, 1928 Model
     8 x 2-gun mounts on sides, evenly spread
      8 raised mounts
      16 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 4 000 per gun
     Machine guns in deck mounts, 1928 Model
     8 x 2-gun mounts on sides, evenly spread
      8 raised mounts
      Weight of broadside 2 433 lbs / 1 104 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   4,33" / 110 mm   360,89 ft / 110,00 m   9,84 ft / 3,00 m
   Ends:   1,18" / 30 mm   170,57 ft / 51,99 m   7,87 ft / 2,40 m
     Main Belt covers 104 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   5,51" / 140 mm   1,18" / 30 mm      1,97" / 50 mm
   2nd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -
   5th:   0,39" / 10 mm         -               -

   - Protected deck - single deck:
   For and Aft decks: 1,77" / 45 mm
   Forecastle: 0,98" / 25 mm  Quarter deck: 0,98" / 25 mm

   - Conning towers: Forward 3,54" / 90 mm, Aft 1,18" / 30 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 4 shafts, 61 138 shp / 45 609 Kw = 30,00 kts
   Range 8 000nm at 14,00 kts
   Bunker at max displacement = 1 443 tons

Complement:
   431 - 561

Cost:
   £2,885 million / $11,539 million

Distribution of weights at normal displacement:
   Armament: 684 tons, 8,3 %
      - Guns: 684 tons, 8,3 %
   Armour: 1 481 tons, 18,0 %
      - Belts: 692 tons, 8,4 %
      - Armament: 110 tons, 1,3 %
      - Armour Deck: 638 tons, 7,8 %
      - Conning Towers: 41 tons, 0,5 %
   Machinery: 1 903 tons, 23,2 %
   Hull, fittings & equipment: 2 708 tons, 32,9 %
   Fuel, ammunition & stores: 1 220 tons, 14,8 %
   Miscellaneous weights: 224 tons, 2,7 %
      - Hull below water: 33 tons
      - Hull above water: 33 tons
      - On freeboard deck: 65 tons
      - Above deck: 93 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     7 950 lbs / 3 606 Kg = 37,4 x 7,5 " / 191 mm shells or 1,3 torpedoes
   Stability (Unstable if below 1.00): 1,05
   Metacentric height 2,5 ft / 0,8 m
   Roll period: 15,7 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,81
   Seaboat quality  (Average = 1.00): 1,06

Hull form characteristics:
   Hull has a flush deck,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0,500 / 0,509
   Length to Beam Ratio: 9,00 : 1
   'Natural speed' for length: 23,05 kts
   Power going to wave formation at top speed: 57 %
   Trim (Max stability = 0, Max steadiness = 100): 66
   Bow angle (Positive = bow angles forward): 7,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  23,62 ft / 7,20 m,  20,34 ft / 6,20 m
      - Forward deck:   33,50 %,  20,34 ft / 6,20 m,  17,06 ft / 5,20 m
      - Aft deck:   33,52 %,  17,06 ft / 5,20 m,  16,40 ft / 5,00 m
      - Quarter deck:   15,48 %,  16,40 ft / 5,00 m,  16,40 ft / 5,00 m
      - Average freeboard:      18,20 ft / 5,55 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 104,2 %
      - Above water (accommodation/working, high = better): 163,7 %
   Waterplane Area: 20 913 Square feet or 1 943 Square metres
   Displacement factor (Displacement / loading): 105 %
   Structure weight / hull surface area: 96 lbs/sq ft or 468 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,86
      - Longitudinal: 1,32
      - Overall: 0,90
   Caution: Hull subject to strain in open-sea
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

AD
68t for top fire control
25t for Marconi
OD
24t for 2x3TTx533 HW
25t for Seaplane + cata
16t reserved
AW
33t for climatisation
BW
33t for additionnal pumps
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on July 29, 2023, 01:05:24 AM
QuoteLooks pretty good except the hull strength needs to be 1.00 to go with the turrets...

This is a little bullet  ???

=> 6 - 7,52" / 191 mm 45,0 cal guns - 200,00lbs / 90,72kg shells, 170 per gun
     Breech loading guns in deck and hoist mounts, 1928 Model
     3 x 2-gun mounts on centreline ends, majority aft
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on August 13, 2023, 04:15:22 PM
Byzantine Empire 15000t Aircraft Carrier - 40 aircrafts -  laid down 1928

Karadeniz - Kizildeniz
(Black Sea - Red Sea)

Displacement:
   15 000 t light; 15 589 t standard; 17 158 t normal; 18 413 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (658,58 ft / 656,17 ft) x 82,02 ft x (22,32 / 23,54 ft)
   (200,74 m / 200,00 m) x 25,00 m  x (6,80 / 7,18 m)

Armament:
      8 - 7,52" / 191 mm 45,0 cal guns - 200,00lbs / 90,72kg shells, 150 per gun
     Breech loading guns in casemate mounts, 1928 Model
     8 x Single mounts on side ends, evenly spread
      8 hull mounts in casemates- Limited use in heavy seas
      8 - 4,02" / 102 mm 45,0 cal guns - 33,00lbs / 14,97kg shells, 240 per gun
     Anti-air guns in deck mounts, 1928 Model
     4 x 2-gun mounts on side ends, evenly spread
      4 raised mounts
      16 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 4 000 per gun
     Anti-air guns in deck mounts, 1928 Model
     8 x 2-gun mounts on sides, evenly spread
      8 raised mounts
      16 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 10 000 per gun
     Machine guns in deck mounts, 1928 Model
     8 x 2-gun mounts on sides, evenly spread
      8 raised mounts
      Weight of broadside 1 897 lbs / 861 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   1,57" / 40 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

   - Box over machinery & magazines:
   2,76" / 70 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 80 000 shp / 59 680 Kw = 29,10 kts
   Range 10 000nm at 14,00 kts
   Bunker at max displacement = 2 824 tons

Complement:
   749 - 974

Cost:
   £3,699 million / $14,798 million

Distribution of weights at normal displacement:
   Armament: 306 tons, 1,8 %
      - Guns: 306 tons, 1,8 %
   Armour: 1 109 tons, 6,5 %
      - Armament: 37 tons, 0,2 %
      - Armour Deck: 1 072 tons, 6,2 %
   Machinery: 2 491 tons, 14,5 %
   Hull, fittings & equipment: 7 146 tons, 41,7 %
   Fuel, ammunition & stores: 2 158 tons, 12,6 %
   Miscellaneous weights: 3 948 tons, 23,0 %
      - Hull below water: 140 tons
      - Hull above water: 1 990 tons
      - On freeboard deck: 1 790 tons
      - Above deck: 28 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     44 184 lbs / 20 042 Kg = 207,8 x 7,5 " / 191 mm shells or 3,7 torpedoes
   Stability (Unstable if below 1.00): 1,09
   Metacentric height 4,4 ft / 1,3 m
   Roll period: 16,4 seconds
   Steadiness   - As gun platform (Average = 50 %): 96 %
         - Recoil effect (Restricted arc if above 1.00): 0,19
   Seaboat quality  (Average = 1.00): 2,00

Hull form characteristics:
   Hull has low forecastle, low quarterdeck ,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,500 / 0,509
   Length to Beam Ratio: 8,00 : 1
   'Natural speed' for length: 25,62 kts
   Power going to wave formation at top speed: 51 %
   Trim (Max stability = 0, Max steadiness = 100): 48
   Bow angle (Positive = bow angles forward): 6,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   12,00 %,  22,97 ft / 7,00 m,  19,69 ft / 6,00 m
      - Forward deck:   40,00 %,  39,37 ft / 12,00 m,  39,37 ft / 12,00 m
      - Aft deck:   40,00 %,  39,37 ft / 12,00 m,  39,37 ft / 12,00 m
      - Quarter deck:   8,00 %,  19,69 ft / 6,00 m,  19,69 ft / 6,00 m
      - Average freeboard:      35,59 ft / 10,85 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 67,7 %
      - Above water (accommodation/working, high = better): 358,6 %
   Waterplane Area: 35 859 Square feet or 3 331 Square metres
   Displacement factor (Displacement / loading): 157 %
   Structure weight / hull surface area: 111 lbs/sq ft or 541 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,85
      - Longitudinal: 3,98
      - Overall: 1,00
   Excellent machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform
   Excellent seaboat, comfortable, can fire her guns in the heaviest weather

misc weight:
AD
25t for LR Marconi
3t for 1924 fire control
OD
1600t for 20 aircrafts
90t for Climatisation
100t for Fire Fighting
HAW
1600t for 20 aircrafts
90t for Climatisation
100t for Fire Fighting
100t for aircrafts spare parts
HBW
40t for additionnal pumps
100t reserved for  material...


Title: Re: Byzantine Empire 1925...
Post by: Jefgte on August 13, 2023, 04:55:03 PM
3x102 were 2M2x102

TGB-500t, Byzantine Empire TGB-500t laid down 1928

Displacement:
   500 t light; 526 t standard; 562 t normal; 590 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (245,15 ft / 242,78 ft) x 26,25 ft x (7,18 / 7,42 ft)
   (74,72 m / 74,00 m) x 8,00 m  x (2,19 / 2,26 m)

Armament:
      2 - 4,02" / 102 mm 45,0 cal guns - 33,00lbs / 14,97kg shells, 180 per gun
     Quick firing guns in deck mount, 1928 Model
     1 x 2-gun mount on centreline, forward deck forward
      1 - 4,02" / 102 mm 45,0 cal gun - 33,00lbs / 14,97kg shells, 180 per gun
     Quick firing gun in deck mount, 1928 Model
     1 x Single mount on centreline, aft deck aft
      4 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 1 000 per gun
     Anti-air guns in deck mounts, 1928 Model
     2 x 2-gun mounts on centreline, aft deck aft
      2 raised mounts
      4 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 4 000 per gun
     Machine guns in deck mounts, 1928 Model
     2 x 2-gun mounts on sides, forward deck forward
      2 raised mounts
      Weight of broadside 107 lbs / 49 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Electric motors, 2 shafts, 7 481 shp / 5 580 Kw = 25,00 kts
   Range 2 390nm at 12,00 kts
   Bunker at max displacement = 64 tons

Complement:
   56 - 74

Cost:
   £0,209 million / $0,836 million

Distribution of weights at normal displacement:
   Armament: 19 tons, 3,5 %
      - Guns: 19 tons, 3,5 %
   Armour: 3 tons, 0,5 %
      - Armament: 3 tons, 0,5 %
   Machinery: 228 tons, 40,7 %
   Hull, fittings & equipment: 194 tons, 34,5 %
   Fuel, ammunition & stores: 61 tons, 10,9 %
   Miscellaneous weights: 56 tons, 10,0 %
      - Hull above water: 3 tons
      - On freeboard deck: 51 tons
      - Above deck: 2 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     332 lbs / 151 Kg = 10,3 x 4,0 " / 102 mm shells or 0,3 torpedoes
   Stability (Unstable if below 1.00): 1,11
   Metacentric height 0,8 ft / 0,3 m
   Roll period: 12,1 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,26
   Seaboat quality  (Average = 1.00): 1,09

Hull form characteristics:
   Hull has a flush deck,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0,430 / 0,437
   Length to Beam Ratio: 9,25 : 1
   'Natural speed' for length: 15,58 kts
   Power going to wave formation at top speed: 63 %
   Trim (Max stability = 0, Max steadiness = 100): 65
   Bow angle (Positive = bow angles forward): 10,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   22,00 %,  13,45 ft / 4,10 m,  11,15 ft / 3,40 m
      - Forward deck:   30,00 %,  11,15 ft / 3,40 m,  9,84 ft / 3,00 m
      - Aft deck:   28,00 %,  9,84 ft / 3,00 m,  9,84 ft / 3,00 m
      - Quarter deck:   20,00 %,  9,84 ft / 3,00 m,  9,84 ft / 3,00 m
      - Average freeboard:      10,53 ft / 3,21 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 142,9 %
      - Above water (accommodation/working, high = better): 125,5 %
   Waterplane Area: 4 001 Square feet or 372 Square metres
   Displacement factor (Displacement / loading): 98 %
   Structure weight / hull surface area: 29 lbs/sq ft or 143 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,67
      - Longitudinal: 2,05
      - Overall: 0,75
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

AD
0t for SR Marconi
2t for 1924 fire control
OD
9 tons for 3TTx533
15t for enhanced hydrophone
5t for 50 DC
10t for Paravanes
10t reserve
HA
5t for climatisation
Title: Re: Byzantine Empire 1925...
Post by: The Rock Doctor on August 13, 2023, 05:25:13 PM
A carrier for the Black Sea, which is a Byzantine lake?
Title: Re: Byzantine Empire 1925...
Post by: TacCovert4 on August 13, 2023, 05:45:49 PM
Golden horde is over there,  maybe it's defense against their aircraft
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on August 13, 2023, 06:10:54 PM
QuoteA carrier for the Black Sea, which is a Byzantine lake?

Karadeniz - Kizildeniz

This is the translation of their names  :)
Title: Re: Byzantine Empire 1925...
Post by: The Rock Doctor on August 14, 2023, 03:23:59 PM
Aha, thanks for the explanation.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on August 27, 2023, 04:38:57 PM
Here is the last SS for the next Byzantine BC.
Just an update of the 1927 SS witch is an update of 1910 Eupatoria (3T3x343-29kts)

BC7, Byzantine Empire BC7 laid down 1928

Displacement:
   36 900 t light; 38 916 t standard; 41 638 t normal; 43 816 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (738,05 ft / 735,56 ft) x 108,27 ft x (30,50 / 31,81 ft)
   (224,96 m / 224,20 m) x 33,00 m  x (9,30 / 9,70 m)

Armament:
      9 - 15,00" / 381 mm 42,0 cal guns - 1 920,01lbs / 870,90kg shells, 100 per gun
     Breech loading guns in turret on barbette mounts, 1928 Model
     3 x 3-gun mounts on centreline ends, majority forward
      1 raised mount - superfiring
      12 - 5,98" / 152 mm 45,0 cal guns - 100,00lbs / 45,36kg shells, 180 per gun
     Quick firing guns in deck and hoist mounts, 1928 Model
     6 x 2-gun mounts on sides, evenly spread
      16 - 4,02" / 102 mm 45,0 cal guns - 33,00lbs / 14,97kg shells, 240 per gun
     Anti-air guns in deck mounts, 1928 Model
     8 x 2-gun mounts on sides, evenly spread
      8 raised mounts
      24 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 1 000 per gun
     Anti-air guns in deck mounts, 1928 Model
     12 x 2-gun mounts on sides, evenly spread
      12 raised mounts
      16 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 10 000 per gun
     Machine guns in deck mounts, 1928 Model
     16 x 2-gun mounts on sides, evenly spread
      8 raised mounts
      Weight of broadside 19 057 lbs / 8 644 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   13,4" / 340 mm   479,00 ft / 146,00 m   12,47 ft / 3,80 m
   Ends:   3,94" / 100 mm   255,91 ft / 78,00 m   9,84 ft / 3,00 m
   Upper:   3,94" / 100 mm   479,00 ft / 146,00 m   13,12 ft / 4,00 m
     Main Belt covers 100 % of normal length

   - Torpedo Bulkhead - Additional damage containing bulkheads:
      1,97" / 50 mm   479,00 ft / 146,00 m   30,48 ft / 9,29 m
   Beam between torpedo bulkheads 78,74 ft / 24,00 m

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   13,4" / 340 mm   4,72" / 120 mm      11,8" / 300 mm
   2nd:   1,97" / 50 mm   0,79" / 20 mm      1,57" / 40 mm
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -
   5th:   0,39" / 10 mm         -               -

   - Armoured deck - single deck:
   For and Aft decks: 4,72" / 120 mm
   Forecastle: 1,97" / 50 mm  Quarter deck: 1,97" / 50 mm

   - Conning towers: Forward 13,39" / 340 mm, Aft 5,91" / 150 mm

Machinery:
   Oil fired boilers, steam turbines,
   Direct drive, 4 shafts, 142 000 shp / 105 932 Kw = 29,15 kts
   Range 10 000nm at 14,00 kts
   Bunker at max displacement = 4 900 tons

Complement:
   1 456 - 1 894

Cost:
   £12,763 million / $51,050 million

Distribution of weights at normal displacement:
   Armament: 3 239 tons, 7,8 %
      - Guns: 3 239 tons, 7,8 %
   Armour: 13 451 tons, 32,3 %
      - Belts: 4 900 tons, 11,8 %
      - Torpedo bulkhead: 1 063 tons, 2,6 %
      - Armament: 2 492 tons, 6,0 %
      - Armour Deck: 4 496 tons, 10,8 %
      - Conning Towers: 499 tons, 1,2 %
   Machinery: 4 421 tons, 10,6 %
   Hull, fittings & equipment: 14 795 tons, 35,5 %
   Fuel, ammunition & stores: 4 738 tons, 11,4 %
   Miscellaneous weights: 994 tons, 2,4 %
      - Hull below water: 185 tons
      - Hull above water: 185 tons
      - On freeboard deck: 250 tons
      - Above deck: 374 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     59 837 lbs / 27 142 Kg = 35,5 x 15,0 " / 381 mm shells or 9,7 torpedoes
   Stability (Unstable if below 1.00): 1,08
   Metacentric height 6,5 ft / 2,0 m
   Roll period: 17,8 seconds
   Steadiness   - As gun platform (Average = 50 %): 72 %
         - Recoil effect (Restricted arc if above 1.00): 0,73
   Seaboat quality  (Average = 1.00): 1,05

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,600 / 0,605
   Length to Beam Ratio: 6,79 : 1
   'Natural speed' for length: 27,12 kts
   Power going to wave formation at top speed: 54 %
   Trim (Max stability = 0, Max steadiness = 100): 68
   Bow angle (Positive = bow angles forward): 5,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20,00 %,  28,38 ft / 8,65 m,  24,77 ft / 7,55 m
      - Forward deck:   31,00 %,  24,77 ft / 7,55 m,  21,49 ft / 6,55 m
      - Aft deck:   31,00 %,  21,49 ft / 6,55 m,  21,16 ft / 6,45 m
      - Quarter deck:   18,00 %,  21,16 ft / 6,45 m,  21,16 ft / 6,45 m
      - Average freeboard:      22,83 ft / 6,96 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 93,3 %
      - Above water (accommodation/working, high = better): 168,5 %
   Waterplane Area: 58 246 Square feet or 5 411 Square metres
   Displacement factor (Displacement / loading): 113 %
   Structure weight / hull surface area: 206 lbs/sq ft or 1 005 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,96
      - Longitudinal: 1,40
      - Overall: 1,00
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

324t for Top fire control
50t for 2x25t Marconi
185t for climatisation
185t for extra pumps installation
100t for Admiral staff
150t reserved
Title: Re: Byzantine Empire 1925...
Post by: The Rock Doctor on August 27, 2023, 04:56:56 PM
It's very capable. 

Can you tweak away that "wet forward" warning?
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on August 28, 2023, 03:41:03 PM
QuoteCan you tweak away that "wet forward" warning?

BC8, Byzantine Empire BC7 laid down 1928

Displacement:
   37 000 t light; 39 018 t standard; 41 744 t normal; 43 925 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (738,18 ft / 735,56 ft) x 108,27 ft x (30,58 / 31,89 ft)
   (225,00 m / 224,20 m) x 33,00 m  x (9,32 / 9,72 m)

Armament:
      9 - 15,00" / 381 mm 42,0 cal guns - 1 920,01lbs / 870,90kg shells, 100 per gun
     Breech loading guns in turret on barbette mounts, 1928 Model
     3 x 3-gun mounts on centreline ends, majority forward
      1 raised mount - superfiring
      12 - 5,98" / 152 mm 45,0 cal guns - 100,00lbs / 45,36kg shells, 180 per gun
     Quick firing guns in deck and hoist mounts, 1928 Model
     6 x 2-gun mounts on sides, evenly spread
      16 - 4,02" / 102 mm 45,0 cal guns - 33,00lbs / 14,97kg shells, 240 per gun
     Anti-air guns in deck mounts, 1928 Model
     8 x 2-gun mounts on sides, evenly spread
      8 raised mounts
      24 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 1 000 per gun
     Anti-air guns in deck mounts, 1928 Model
     12 x 2-gun mounts on sides, evenly spread
      12 raised mounts
      16 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 10 000 per gun
     Machine guns in deck mounts, 1928 Model
     16 x 2-gun mounts on sides, evenly spread
      8 raised mounts
      Weight of broadside 19 057 lbs / 8 644 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   13,4" / 340 mm   479,00 ft / 146,00 m   12,47 ft / 3,80 m
   Ends:   3,94" / 100 mm   255,91 ft / 78,00 m   9,84 ft / 3,00 m
   Upper:   3,94" / 100 mm   479,00 ft / 146,00 m   13,12 ft / 4,00 m
     Main Belt covers 100 % of normal length

   - Torpedo Bulkhead - Additional damage containing bulkheads:
      1,97" / 50 mm   479,00 ft / 146,00 m   30,58 ft / 9,32 m
   Beam between torpedo bulkheads 78,74 ft / 24,00 m

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   13,4" / 340 mm   4,72" / 120 mm      11,8" / 300 mm
   2nd:   1,97" / 50 mm   0,79" / 20 mm      1,57" / 40 mm
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -
   5th:   0,39" / 10 mm         -               -

   - Armoured deck - single deck:
   For and Aft decks: 4,72" / 120 mm
   Forecastle: 1,97" / 50 mm  Quarter deck: 1,97" / 50 mm

   - Conning towers: Forward 13,39" / 340 mm, Aft 5,91" / 150 mm

Machinery:
   Oil fired boilers, steam turbines,
   Direct drive, 4 shafts, 142 047 shp / 105 967 Kw = 29,14 kts
   Range 10 000nm at 14,00 kts
   Bunker at max displacement = 4 906 tons

Complement:
   1 459 - 1 898

Cost:
   £12,777 million / $51,107 million

Distribution of weights at normal displacement:
   Armament: 3 239 tons, 7,8 %
      - Guns: 3 239 tons, 7,8 %
   Armour: 13 481 tons, 32,3 %
      - Belts: 4 900 tons, 11,7 %
      - Torpedo bulkhead: 1 067 tons, 2,6 %
      - Armament: 2 517 tons, 6,0 %
      - Armour Deck: 4 496 tons, 10,8 %
      - Conning Towers: 500 tons, 1,2 %
   Machinery: 4 422 tons, 10,6 %
   Hull, fittings & equipment: 14 845 tons, 35,6 %
   Fuel, ammunition & stores: 4 744 tons, 11,4 %
   Miscellaneous weights: 1 014 tons, 2,4 %
      - Hull below water: 185 tons
      - Hull above water: 185 tons
      - On freeboard deck: 270 tons
      - Above deck: 374 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     60 222 lbs / 27 316 Kg = 35,7 x 15,0 " / 381 mm shells or 9,8 torpedoes
   Stability (Unstable if below 1.00): 1,07
   Metacentric height 6,4 ft / 2,0 m
   Roll period: 17,9 seconds
   Steadiness   - As gun platform (Average = 50 %): 73 %
         - Recoil effect (Restricted arc if above 1.00): 0,75
   Seaboat quality  (Average = 1.00): 1,07

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,600 / 0,605
   Length to Beam Ratio: 6,79 : 1
   'Natural speed' for length: 27,12 kts
   Power going to wave formation at top speed: 54 %
   Trim (Max stability = 0, Max steadiness = 100): 68
   Bow angle (Positive = bow angles forward): 5,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20,00 %,  29,86 ft / 9,10 m,  25,26 ft / 7,70 m
      - Forward deck:   31,00 %,  25,26 ft / 7,70 m,  21,65 ft / 6,60 m
      - Aft deck:   31,00 %,  21,65 ft / 6,60 m,  21,33 ft / 6,50 m
      - Quarter deck:   18,00 %,  21,33 ft / 6,50 m,  21,33 ft / 6,50 m
      - Average freeboard:      23,19 ft / 7,07 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 93,1 %
      - Above water (accommodation/working, high = better): 170,0 %
   Waterplane Area: 58 246 Square feet or 5 411 Square metres
   Displacement factor (Displacement / loading): 113 %
   Structure weight / hull surface area: 206 lbs/sq ft or 1 004 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,96
      - Longitudinal: 1,42
      - Overall: 1,00
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

324t for Top fire control
50t for 2x25t Marconi
185t for climatisation
185t for extra pumps installation
100t for Admiral staff
170t reserved
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on August 28, 2023, 04:05:19 PM
This one is interesting too but too expensive  :-[

BC7, Byzantine Empire BC7 laid down 1928

Displacement:
   41 000 t light; 43 422 t standard; 45 933 t normal; 47 942 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (738,21 ft / 735,56 ft) x 114,17 ft x (31,08 / 32,20 ft)
   (225,00 m / 224,20 m) x 34,80 m  x (9,47 / 9,82 m)

Armament:
      12 - 15,00" / 381 mm 42,0 cal guns - 1 920,01lbs / 870,90kg shells, 100 per gun
     Breech loading guns in turret on barbette mounts, 1928 Model
     4 x 3-gun mounts on centreline ends, evenly spread
      1 raised mount - superfiring
      12 - 5,98" / 152 mm 45,0 cal guns - 100,00lbs / 45,36kg shells, 180 per gun
     Quick firing guns in deck and hoist mounts, 1928 Model
     6 x 2-gun mounts on sides, evenly spread
      16 - 4,02" / 102 mm 45,0 cal guns - 33,00lbs / 14,97kg shells, 240 per gun
     Anti-air guns in deck mounts, 1928 Model
     8 x 2-gun mounts on sides, evenly spread
      8 raised mounts
      24 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 1 000 per gun
     Anti-air guns in deck mounts, 1928 Model
     12 x 2-gun mounts on sides, evenly spread
      12 raised mounts
      16 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 10 000 per gun
     Machine guns in deck mounts, 1928 Model
     16 x 2-gun mounts on sides, evenly spread
      8 raised mounts
      Weight of broadside 24 817 lbs / 11 257 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   13,4" / 340 mm   479,00 ft / 146,00 m   11,81 ft / 3,60 m
   Ends:   3,94" / 100 mm   252,62 ft / 77,00 m   9,84 ft / 3,00 m
     3,94 ft / 1,20 m Unarmoured ends
   Upper:   3,94" / 100 mm   479,00 ft / 146,00 m   14,44 ft / 4,40 m
     Main Belt covers 100 % of normal length

   - Torpedo Bulkhead - Additional damage containing bulkheads:
      1,97" / 50 mm   482,28 ft / 147,00 m   31,07 ft / 9,47 m
   Beam between torpedo bulkheads 85,30 ft / 26,00 m

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   13,4" / 340 mm   4,72" / 120 mm      11,8" / 300 mm
   2nd:   1,97" / 50 mm   0,79" / 20 mm      1,57" / 40 mm
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -
   5th:   0,39" / 10 mm         -               -

   - Armoured deck - single deck:
   For and Aft decks: 4,72" / 120 mm
   Forecastle: 1,97" / 50 mm  Quarter deck: 1,97" / 50 mm

   - Conning towers: Forward 13,39" / 340 mm, Aft 5,91" / 150 mm

Machinery:
   Oil fired boilers, steam turbines,
   Direct drive, 4 shafts, 150 000 shp / 111 900 Kw = 28,99 kts
   Range 12 000nm at 12,00 kts
   Bunker at max displacement = 4 520 tons

Complement:
   1 568 - 2 039

Cost:
   £15,075 million / $60,298 million

Distribution of weights at normal displacement:
   Armament: 4 168 tons, 9,1 %
      - Guns: 4 168 tons, 9,1 %
   Armour: 14 592 tons, 31,8 %
      - Belts: 4 864 tons, 10,6 %
      - Torpedo bulkhead: 1 091 tons, 2,4 %
      - Armament: 3 243 tons, 7,1 %
      - Armour Deck: 4 861 tons, 10,6 %
      - Conning Towers: 533 tons, 1,2 %
   Machinery: 4 670 tons, 10,2 %
   Hull, fittings & equipment: 16 528 tons, 36,0 %
   Fuel, ammunition & stores: 4 933 tons, 10,7 %
   Miscellaneous weights: 1 042 tons, 2,3 %
      - Hull below water: 200 tons
      - Hull above water: 200 tons
      - On freeboard deck: 200 tons
      - Above deck: 442 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     62 679 lbs / 28 431 Kg = 37,1 x 15,0 " / 381 mm shells or 9,9 torpedoes
   Stability (Unstable if below 1.00): 1,07
   Metacentric height 7,0 ft / 2,1 m
   Roll period: 18,1 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,79
   Seaboat quality  (Average = 1.00): 1,02

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,616 / 0,620
   Length to Beam Ratio: 6,44 : 1
   'Natural speed' for length: 27,12 kts
   Power going to wave formation at top speed: 55 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 5,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   19,00 %,  30,18 ft / 9,20 m,  25,59 ft / 7,80 m
      - Forward deck:   32,00 %,  25,59 ft / 7,80 m,  22,31 ft / 6,80 m
      - Aft deck:   32,00 %,  22,31 ft / 6,80 m,  21,65 ft / 6,60 m
      - Quarter deck:   17,00 %,  21,65 ft / 6,60 m,  21,65 ft / 6,60 m
      - Average freeboard:      23,59 ft / 7,19 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 96,1 %
      - Above water (accommodation/working, high = better): 173,1 %
   Waterplane Area: 62 346 Square feet or 5 792 Square metres
   Displacement factor (Displacement / loading): 108 %
   Structure weight / hull surface area: 221 lbs/sq ft or 1 077 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,96
      - Longitudinal: 1,46
      - Overall: 1,00
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

417t for Top fire control
25t for LR Marconi
200t for climatisation
200t for extra pumps installation
100t for Admiral staff
100t reserved
Title: Re: Byzantine Empire 1925...
Post by: Kaiser Kirk on August 28, 2023, 04:50:24 PM
The second one has ~900 tons more guns than the first.
I bet that 4m high 100mm upper belt weighs about that.

Which brings me to a question : 
Is that upper belt supposed to capped by an armored deck?
You have the decks set to single layer.
Which would allow shells and splinters striking above the upper belt
to damage things behind it.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on August 28, 2023, 05:37:39 PM
QuoteThe second one has ~900 tons more guns than the first.
I bet that 4m high 100mm upper belt weighs about that.

In part, it is also the higher freeboard.

QuoteWhich brings me to a question :
Is that upper belt supposed to capped by an armored deck?
You have the decks set to single layer.
Which would allow shells and splinters striking above the upper belt
to damage things behind it.


That upper belt is supposed to capped by a light armored deck (25% of the Armored Deck => 30mm).
You have the decks set to single layer.
Which would allow shells and splinters striking above the upper belt
to damage things behind it. yes
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on September 01, 2023, 10:02:33 AM
Super Destroyer with 140/50 specialized in long-range guns battle.

SD13, Byzantine Empire Super Destroyer laid down 1928

Displacement:
   1 800 t light; 1 891 t standard; 2 224 t normal; 2 491 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (387,16 ft / 383,86 ft) x 36,09 ft x (13,25 / 14,33 ft)
   (118,01 m / 117,00 m) x 11,00 m  x (4,04 / 4,37 m)

Armament:
      4 - 5,51" / 140 mm 50,0 cal guns - 81,99lbs / 37,19kg shells, 220 per gun
     Quick firing guns in deck mounts, 1928 Model
     4 x Single mounts on centreline ends, evenly spread
      2 raised mounts - superfiring
      4 - 1,57" / 40,0 mm 39,0 cal guns - 1,85lbs / 0,84kg shells, 1 000 per gun
     Anti-air guns in deck mounts, 1928 Model
     2 x 2-gun mounts on sides, forward deck aft
      2 raised mounts
      8 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 6 000 per gun
     Quick firing guns in deck mounts, 1928 Model
     4 x 2-gun mounts on sides, evenly spread
      4 raised mounts
      Weight of broadside 336 lbs / 152 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,79" / 20 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 41 200 shp / 30 735 Kw = 32,53 kts
   Range 10 400nm at 12,00 kts
   Bunker at max displacement = 601 tons

Complement:
   161 - 210

Cost:
   £0,908 million / $3,634 million

Distribution of weights at normal displacement:
   Armament: 70 tons, 3,1 %
      - Guns: 70 tons, 3,1 %
   Armour: 18 tons, 0,8 %
      - Armament: 18 tons, 0,8 %
   Machinery: 1 112 tons, 50,0 %
   Hull, fittings & equipment: 489 tons, 22,0 %
   Fuel, ammunition & stores: 424 tons, 19,1 %
   Miscellaneous weights: 112 tons, 5,0 %
      - Hull above water: 29 tons
      - On freeboard deck: 52 tons
      - Above deck: 31 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     579 lbs / 263 Kg = 6,9 x 5,5 " / 140 mm shells or 0,3 torpedoes
   Stability (Unstable if below 1.00): 1,26
   Metacentric height 1,6 ft / 0,5 m
   Roll period: 11,8 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,29
   Seaboat quality  (Average = 1.00): 1,03

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,424 / 0,439
   Length to Beam Ratio: 10,64 : 1
   'Natural speed' for length: 19,59 kts
   Power going to wave formation at top speed: 64 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 10,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  18,70 ft / 5,70 m,  15,75 ft / 4,80 m
      - Forward deck:   33,00 %,  15,75 ft / 4,80 m,  13,12 ft / 4,00 m
      - Aft deck:   33,00 %,  13,12 ft / 4,00 m,  13,12 ft / 4,00 m
      - Quarter deck:   16,00 %,  13,12 ft / 4,00 m,  13,12 ft / 4,00 m
      - Average freeboard:      14,24 ft / 4,34 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 172,2 %
      - Above water (accommodation/working, high = better): 141,2 %
   Waterplane Area: 8 661 Square feet or 805 Square metres
   Displacement factor (Displacement / loading): 77 %
   Structure weight / hull surface area: 33 lbs/sq ft or 162 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 1,21
      - Overall: 0,54
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

6t for 1924 top mast rangefinder
25t for LR marconi

32t for 2x4TTx533HW
20t reserved for new material, armament, minen

15t for improved Hydrophone
5t for 50x90DC
9t for climatisation

Trial speed: 33kts
Bonus: 0.54
Title: Re: Byzantine Empire 1925...
Post by: TacCovert4 on September 01, 2023, 10:39:12 AM
The guns are powerful, and long ranged, but I would worry about just 4 guns in a long range gunnery duel.  I'd really want more guns than that.  I wonder if you bumped her to 2000t even if you could swing a fifth 140mm mount.  Or cut the Caliber down a bit and get 6+ guns.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on September 01, 2023, 04:07:19 PM
QuoteThe guns are powerful, and long ranged, but I would worry about just 4 guns in a long range gunnery duel.  I'd really want more guns than that.  I wonder if you bumped her to 2000t even if you could swing a fifth 140mm mount.  Or cut the Caliber down a bit and get 6+ guns.

16000m for 140/50 and 15000m for 120/45.
Let's say instead that shells are 37kg, not 22kg.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on September 01, 2023, 04:35:58 PM
Rework with 2M2x140 & 4M2x40 pompom

SD13, Byzantine Empire Super Destroyer laid down 1928

Displacement:
   1 800 t light; 1 895 t standard; 2 229 t normal; 2 496 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (387,13 ft / 383,86 ft) x 36,09 ft x (13,28 / 14,36 ft)
   (118,00 m / 117,00 m) x 11,00 m  x (4,05 / 4,38 m)

Armament:
      4 - 5,51" / 140 mm 50,0 cal guns - 81,99lbs / 37,19kg shells, 220 per gun
     Quick firing guns in deck mounts, 1928 Model
     2 x 2-gun mounts on centreline ends, evenly spread
      8 - 1,57" / 40,0 mm 39,0 cal guns - 1,85lbs / 0,84kg shells, 1 000 per gun
     Anti-air guns in deck mounts, 1928 Model
     4 x 2-gun mounts on sides, evenly spread
      4 raised mounts
      8 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 6 000 per gun
     Quick firing guns in deck mounts, 1928 Model
     4 x 2-gun mounts on sides, evenly spread
      4 raised mounts
      Weight of broadside 343 lbs / 156 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,98" / 25 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 41 400 shp / 30 885 Kw = 32,55 kts
   Range 10 400nm at 12,00 kts
   Bunker at max displacement = 601 tons

Complement:
   161 - 210

Cost:
   £0,911 million / $3,644 million

Distribution of weights at normal displacement:
   Armament: 71 tons, 3,2 %
      - Guns: 71 tons, 3,2 %
   Armour: 16 tons, 0,7 %
      - Armament: 16 tons, 0,7 %
   Machinery: 1 114 tons, 50,0 %
   Hull, fittings & equipment: 479 tons, 21,5 %
   Fuel, ammunition & stores: 429 tons, 19,2 %
   Miscellaneous weights: 120 tons, 5,4 %
      - Hull above water: 29 tons
      - On freeboard deck: 60 tons
      - Above deck: 31 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     579 lbs / 262 Kg = 6,9 x 5,5 " / 140 mm shells or 0,3 torpedoes
   Stability (Unstable if below 1.00): 1,27
   Metacentric height 1,7 ft / 0,5 m
   Roll period: 11,7 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,24
   Seaboat quality  (Average = 1.00): 1,04

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,424 / 0,439
   Length to Beam Ratio: 10,64 : 1
   'Natural speed' for length: 19,59 kts
   Power going to wave formation at top speed: 64 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 10,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  18,54 ft / 5,65 m,  15,58 ft / 4,75 m
      - Forward deck:   33,00 %,  15,58 ft / 4,75 m,  13,12 ft / 4,00 m
      - Aft deck:   33,00 %,  13,12 ft / 4,00 m,  13,12 ft / 4,00 m
      - Quarter deck:   16,00 %,  13,12 ft / 4,00 m,  13,12 ft / 4,00 m
      - Average freeboard:      14,18 ft / 4,32 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 172,5 %
      - Above water (accommodation/working, high = better): 140,8 %
   Waterplane Area: 8 661 Square feet or 805 Square metres
   Displacement factor (Displacement / loading): 77 %
   Structure weight / hull surface area: 33 lbs/sq ft or 160 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 1,22
      - Overall: 0,54
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

6t for 1924 top mast rangefinder
25t for LR marconi

32t for 2x4TTx533HW
30t reserved for new material, armament, minen

15t for improved Hydrophone
5t for 50x90DC
9t for climatisation

Trial speed: 33kts
Bonus: 0.45

Title: Re: Byzantine Empire 1925...
Post by: Kaiser Kirk on September 02, 2023, 09:44:02 AM
"Long range" is a relative thing.

Somewhere in the rule set, probably gun research, is a statement to the effect that the CM of the gun is equal to the KM of shell spotting range.

We know that smaller guns were not viewed as useful at longer ranges for a number of reasons.
What exactly those limits are, is probably not possible to find out.

We do know that DDs were not effective at longer ranges as they were lively vessels- seakeeping being relative, that their masttops / rangefinders and so sightlines were shorter, and also that shell splashes from smaller shells are hard to spot at longer ranges.

So the shell spotting range limit is meant to give everyone a easy to figure and firm baseline to go off.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on September 02, 2023, 04:24:59 PM
6x120 are better than 4x140

D13, Byzantine Empire Long range D12 laid down 1928

Displacement:
   1 720 t light; 1 801 t standard; 2 146 t normal; 2 422 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (379,73 ft / 374,02 ft) x 36,09 ft x (13,74 / 14,90 ft)
   (115,74 m / 114,00 m) x 11,00 m  x (4,19 / 4,54 m)

Armament:
      6 - 4,72" / 120 mm 45,0 cal guns - 50,00lbs / 22,68kg shells, 200 per gun
     Quick firing guns in deck mounts, 1928 Model
     3 x Twin mounts on centreline ends, majority aft
      1 raised mount aft - superfiring
      4 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 1 000 per gun
     Anti-air guns in deck mounts, 1928 Model
     2 x 2-gun mounts on sides, forward deck aft
      2 raised mounts
      4 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 4 000 per gun
     Machine guns in deck mounts, 1928 Model
     2 x 2-gun mounts on sides, forward deck centre
      2 raised mounts
      Weight of broadside 308 lbs / 140 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,79" / 20 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 39 500 shp / 29 467 Kw = 32,32 kts
   Range 11 000nm at 12,00 kts
   Bunker at max displacement = 621 tons

Complement:
   156 - 204

Cost:
   £0,863 million / $3,453 million

Distribution of weights at normal displacement:
   Armament: 48 tons, 2,2 %
      - Guns: 48 tons, 2,2 %
   Armour: 8 tons, 0,4 %
      - Armament: 8 tons, 0,4 %
   Machinery: 1 072 tons, 50,0 %
   Hull, fittings & equipment: 480 tons, 22,4 %
   Fuel, ammunition & stores: 426 tons, 19,9 %
   Miscellaneous weights: 111 tons, 5,2 %
      - Hull above water: 8 tons
      - On freeboard deck: 73 tons
      - Above deck: 30 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     570 lbs / 258 Kg = 10,8 x 4,7 " / 120 mm shells or 0,3 torpedoes
   Stability (Unstable if below 1.00): 1,28
   Metacentric height 1,7 ft / 0,5 m
   Roll period: 11,7 seconds
   Steadiness   - As gun platform (Average = 50 %): 72 %
         - Recoil effect (Restricted arc if above 1.00): 0,24
   Seaboat quality  (Average = 1.00): 1,04

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,405 / 0,422
   Length to Beam Ratio: 10,36 : 1
   'Natural speed' for length: 19,34 kts
   Power going to wave formation at top speed: 63 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 15,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  21,33 ft / 6,50 m,  16,73 ft / 5,10 m
      - Forward deck:   33,50 %,  16,73 ft / 5,10 m,  12,47 ft / 3,80 m
      - Aft deck:   33,50 %,  12,47 ft / 3,80 m,  11,81 ft / 3,60 m
      - Quarter deck:   15,50 %,  11,81 ft / 3,60 m,  12,14 ft / 3,70 m
      - Average freeboard:      14,06 ft / 4,29 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 169,8 %
      - Above water (accommodation/working, high = better): 136,0 %
   Waterplane Area: 8 333 Square feet or 774 Square metres
   Displacement factor (Displacement / loading): 79 %
   Structure weight / hull surface area: 33 lbs/sq ft or 160 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 1,28
      - Overall: 0,54
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

AD
5t for 1924 top mast rangefinder
25t for LR marconi
OD
36t for 2x4TTx533HW
15t for improved Hydrophone
5t for 50x90DC
17t reserved for new material, armament, minen.
AW
8T for climatisation

5610nm@16kts
Trial speed: 33kts
Bonus: 0.68

Title: Re: Byzantine Empire 1925...
Post by: TacCovert4 on September 02, 2023, 07:40:05 PM
I would concur that 6 x 120 are the superior option.  I'm running 6 x 130 on my best gunfight dd.   And I'm going to aim for 8 main guns again once I get towards dual purpose guns
Title: Re: Byzantine Empire 1925...
Post by: Kaiser Kirk on September 02, 2023, 08:21:18 PM
At least with the Seekrieg chart, there are progressively lower chances to hit at long range, so  loss of the spotting penalty really hurts at range.

When you add in the ship size modifier , and speed modifiers, ships like DDs become very hard to hit at longer ranges...especially if they aren't broadside.

Overall 6x 12cm should mean you hit sooner (more shots at same hit%).
Also in SK, having taken damage the prior turn impairs a ships's ability to fire back (vibration, concussion, smoke, etc)
So getting shells on target and then continuing to hit each turn has a value.
So I think the more shells 12cm > fewer 14cm

One area we do not greatly consider is the difficulty of handling the heavier shells on a livelier platform like a DD.
The German Zerstorers with 15cm were noted as being difficult, as well as the additional forecastle weight being a problem,
but I believe the handling problem is noted for smaller rounds as well.

I never intended on having 13cm and 12cm, but I'm using 13cm only on my heavier ships.

Title: Re: Byzantine Empire 1925...
Post by: Jefgte on September 03, 2023, 11:00:04 AM
Update range to 12000nm@12 kts.

D13, Byzantine Empire Long range D12 laid down 1928

Displacement:
   1 800 t light; 1 884 t standard; 2 273 t normal; 2 585 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (383,05 ft / 377,30 ft) x 36,09 ft x (14,43 / 15,73 ft)
   (116,76 m / 115,00 m) x 11,00 m  x (4,40 / 4,79 m)

Armament:
      6 - 4,72" / 120 mm 45,0 cal guns - 50,00lbs / 22,68kg shells, 200 per gun
     Quick firing guns in deck mounts, 1928 Model
     3 x Twin mounts on centreline ends, majority forward
      1 raised mount - superfiring
      4 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 1 000 per gun
     Anti-air guns in deck mounts, 1928 Model
     2 x 2-gun mounts on sides, forward deck aft
      2 raised mounts
      4 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 4 000 per gun
     Machine guns in deck mounts, 1928 Model
     2 x 2-gun mounts on sides, forward deck centre
      2 raised mounts
      Weight of broadside 308 lbs / 140 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,79" / 20 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 41 100 shp / 30 660 Kw = 32,39 kts
   Range 12 000nm at 12,00 kts
   Bunker at max displacement = 701 tons

Complement:
   164 - 214

Cost:
   £0,908 million / $3,633 million

Distribution of weights at normal displacement:
   Armament: 48 tons, 2,1 %
      - Guns: 48 tons, 2,1 %
   Armour: 8 tons, 0,4 %
      - Armament: 8 tons, 0,4 %
   Machinery: 1 136 tons, 50,0 %
   Hull, fittings & equipment: 498 tons, 21,9 %
   Fuel, ammunition & stores: 474 tons, 20,8 %
   Miscellaneous weights: 109 tons, 4,8 %
      - Hull above water: 8 tons
      - On freeboard deck: 71 tons
      - Above deck: 30 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     598 lbs / 271 Kg = 11,4 x 4,7 " / 120 mm shells or 0,3 torpedoes
   Stability (Unstable if below 1.00): 1,30
   Metacentric height 1,7 ft / 0,5 m
   Roll period: 11,5 seconds
   Steadiness   - As gun platform (Average = 50 %): 72 %
         - Recoil effect (Restricted arc if above 1.00): 0,23
   Seaboat quality  (Average = 1.00): 1,06

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,405 / 0,423
   Length to Beam Ratio: 10,45 : 1
   'Natural speed' for length: 19,42 kts
   Power going to wave formation at top speed: 63 %
   Trim (Max stability = 0, Max steadiness = 100): 68
   Bow angle (Positive = bow angles forward): 15,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  21,49 ft / 6,55 m,  16,90 ft / 5,15 m
      - Forward deck:   33,50 %,  16,90 ft / 5,15 m,  12,63 ft / 3,85 m
      - Aft deck:   33,50 %,  12,63 ft / 3,85 m,  11,81 ft / 3,60 m
      - Quarter deck:   15,50 %,  11,81 ft / 3,60 m,  12,14 ft / 3,70 m
      - Average freeboard:      14,17 ft / 4,32 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 169,4 %
      - Above water (accommodation/working, high = better): 131,7 %
   Waterplane Area: 8 406 Square feet or 781 Square metres
   Displacement factor (Displacement / loading): 80 %
   Structure weight / hull surface area: 33 lbs/sq ft or 161 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 1,31
      - Overall: 0,55
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

AD
5t for 1924 top mast rangefinder
25t for LR marconi
OD
36t for 2x4TTx533HW
15t for improved Hydrophone
5t for 50x90DC
15t reserved for new material, armament, minen.
AW
8T for climatisation

6120nm@16kts
Trial speed: 33kts
Bonus: 0.61
Title: Re: Byzantine Empire 1925...
Post by: Kaiser Kirk on September 03, 2023, 12:39:29 PM
Nice ship.
Bigger than my Babr IIs, better armed as well - at least for now. I can swap out the 118mm how for another 120.
But if I see a whole of these running around it might be time to retire the Vakharz II design,
1928 + 10.8month build + 6 month sea trials.. I should start seeing these in 1929.5
Probably will not be in large numbers for a while after that.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on September 03, 2023, 03:45:12 PM
All Navies have 1600t, even 1800t and 2000t.
Switching the 1500t Palang to 3T2x120 instead of 4T1x120 will only cost 100t more.
Title: Re: Byzantine Empire 1925...
Post by: Kaiser Kirk on September 03, 2023, 10:28:46 PM
True, I can simply field a larger destroyer,
but overall I'm trying to keep hull sizes down
so I can field a larger number of quality ships.
The Babrs have 5x 120 +118HOW, so are close.
They can be rearmed / built with 6x120 if needed,
and are already 1500t.

Part of the consideration is also that these ships
operate in squadrons and have defined roles.
There  also needs to be will be sufficient numbers
to screen the fleet vs. attacking DDs.

Putting numbers and roles first means the
lowest tonnage that can do those is important. 

BUT...if all the Byzantine DDs are large with 6x120,
then the role will include matching them,
and I'll have to ditch the Wolf/Vakharz 1100t ships
for the Palang/Babr 1500s....or bring out a 2000.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on September 04, 2023, 12:29:07 AM
Quote...Putting numbers and roles first means the
lowest tonnage that can do those is important...

I have the same problem with the 4000t (3T2x191 - 27kts).
I won't be able to build them...too big.
I have to reduce to 3000t with 3T2x152 - 29kts.
Title: Re: Byzantine Empire 1925...
Post by: TacCovert4 on September 04, 2023, 09:00:13 AM
I have the same issue.   For now,  I have a 1500t class and a 2000t class of DD.  Once I pick up 2500t DDs, I'll make a heavy DD leader and still make a 1500t range general purpose DD.
Title: Re: Byzantine Empire 1925...
Post by: The Rock Doctor on September 04, 2023, 09:38:15 AM
My planning says I need about 160 destroyers to do what I want, so I'm in the same situation.
Title: Re: Byzantine Empire 1925...
Post by: Kaiser Kirk on September 04, 2023, 03:17:10 PM
I want a home fleet, expeditionary fleet, Pacific Fleet and Atlantic Fleet.
I then want some detached formations.

For the Pacific and Expeditionary, I want longer range DDs the 'Oceanic' or 'Corvettes'...at 1500.
For the Home fleet I want double the base number, but these can be the 'fleet' at 1100.

Fleet Destroyers currently have 3 main roles
- ASW deterrence,
- Screen vs. light combatants (inc incoming planes)
- torpedo attack in conditions that allow me to close.
For cruises, I want destroyers off each flank, and two sets ahead playing 'leapfrog'
to allow sprint & drift. I'd also like a formation in reserve to reinforce/prosecute contacts.
At a minimum I want 3 DDs in each group for triangulation, but optimally 4,
as the 4th would be vectored in by the other 3.

That
So 3-4 in each pod, x 4-5 per each formation x (4+1) Fleets & Home double = 60 to 100 first rate.
For the detached formations, I can live with 4,8,12 or 16...not so worried, and more likely 2nd rate.

Currently I have 9 Babr & 12 Palang Oceanics, and 16 Vakharz & 22 Gurg Fleet Destroyers. Which is 60 first rates.
So I am finally at the bare minimum and building 7 per year to try to close to the desired level.
The little 500 ton Close Escort is meant to possibly replace the reserve formation, being able to to detach to
prosecute contacts.

I have another 72 DDs at 750-1000t for the 2nd rate status, but they generally are screen role vessels.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on September 05, 2023, 01:09:22 AM
Quote...Putting numbers and roles first means the
lowest tonnage that can do those is important...

I have the same problem with the 4000t (3T2x191 - 27kts).
I won't be able to build them...too big.
I have to reduce to 3000t with 3T2x152 - 29kts.

This is a 10000nm range of the 1925 C10 class

C12, Byzantine Empire C12 laid down 1928

Displacement:
   3 000 t light; 3 147 t standard; 3 575 t normal; 3 918 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (439,22 ft / 433,07 ft) x 43,31 ft x (14,02 / 15,00 ft)
   (133,88 m / 132,00 m) x 13,20 m  x (4,27 / 4,57 m)

Armament:
      6 - 5,98" / 152 mm 45,0 cal guns - 108,07lbs / 49,02kg shells, 180 per gun
     Breech loading guns in deck and hoist mounts, 1928 Model
     3 x 2-gun mounts on centreline ends, majority forward
      8 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 1 000 per gun
     Anti-air guns in deck mounts, 1928 Model
     8 x 2-gun mounts on sides, forward deck aft
      4 raised mounts - superfiring
      8 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 4 000 per gun
     Machine guns in deck mounts, 1928 Model
     4 x 2-gun mounts on sides, forward evenly spread
      4 raised mounts
      Weight of broadside 665 lbs / 302 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   1,77" / 45 mm   0,79" / 20 mm      0,79" / 20 mm
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

   - Box over machinery & magazines:
   1,77" / 45 mm

   - Conning towers: Forward 2,76" / 70 mm, Aft 1,18" / 30 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 4 shafts, 34 000 shp / 25 364 Kw = 29,04 kts
   Range 10 000nm at 12,00 kts
   Bunker at max displacement = 771 tons

Complement:
   230 - 300

Cost:
   £1,205 million / $4,818 million

Distribution of weights at normal displacement:
   Armament: 176 tons, 4,9 %
      - Guns: 176 tons, 4,9 %
   Armour: 602 tons, 16,9 %
      - Armament: 31 tons, 0,9 %
      - Armour Deck: 552 tons, 15,4 %
      - Conning Towers: 20 tons, 0,6 %
   Machinery: 1 059 tons, 29,6 %
   Hull, fittings & equipment: 1 039 tons, 29,1 %
   Fuel, ammunition & stores: 575 tons, 16,1 %
   Miscellaneous weights: 124 tons, 3,5 %
      - Hull below water: 15 tons
      - Hull above water: 15 tons
      - On freeboard deck: 51 tons
      - Above deck: 43 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     2 714 lbs / 1 231 Kg = 25,3 x 6,0 " / 152 mm shells or 0,8 torpedoes
   Stability (Unstable if below 1.00): 1,14
   Metacentric height 1,8 ft / 0,6 m
   Roll period: 13,5 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,51
   Seaboat quality  (Average = 1.00): 1,19

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,476 / 0,488
   Length to Beam Ratio: 10,00 : 1
   'Natural speed' for length: 20,81 kts
   Power going to wave formation at top speed: 58 %
   Trim (Max stability = 0, Max steadiness = 100): 60
   Bow angle (Positive = bow angles forward): 15,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  22,97 ft / 7,00 m,  18,86 ft / 5,75 m
      - Forward deck:   34,00 %,  18,86 ft / 5,75 m,  14,11 ft / 4,30 m
      - Aft deck:   34,00 %,  14,11 ft / 4,30 m,  12,80 ft / 3,90 m
      - Quarter deck:   14,50 %,  12,80 ft / 3,90 m,  13,12 ft / 4,00 m
      - Average freeboard:      15,65 ft / 4,77 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 113,9 %
      - Above water (accommodation/working, high = better): 151,6 %
   Waterplane Area: 12 230 Square feet or 1 136 Square metres
   Displacement factor (Displacement / loading): 104 %
   Structure weight / hull surface area: 55 lbs/sq ft or 270 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,71
      - Longitudinal: 1,30
      - Overall: 0,75
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

AD
25t for Long Range Marconi
18t for top mast rangefinder - FC1924
OD
16t for 4TTx21" HW
25t for cata + seaplane
10t reserved for new materials, armaments.
AW
15t for climatisation
BW
15t for additionnal pumps
Title: Re: Byzantine Empire 1925...
Post by: Kaiser Kirk on September 05, 2023, 11:08:00 AM
Quote from: Jefgte on September 05, 2023, 01:09:22 AM

I have the same problem with the 4000t (3T2x191 - 27kts).
I won't be able to build them...too big.
I have to reduce to 3000t with 3T2x152 - 29kts.

To replace my ancient sailing Armored Frigates I've been building first the Artesmia II and now the Sayidda classes*.
Like you I'd prefer a larger vessel, but the costs add up.
For me, the role is show the flag, maritime patrol in peace and commerce raid / counter Armed Merchant Cruisers in war.
So I have similar vessels to what you have here.


*Both of which are still buried in my ship design thread.  I've been updating the Parthian encyclopedia, just have not gotten to them yet.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on September 05, 2023, 03:35:02 PM
Quote...For me, the role is show the flag, maritime patrol in peace and commerce raid / counter Armed Merchant Cruisers in war.
So I have similar vessels to what you have here...

I add the scouting of the fleet, the close protection of the "big ones", the defense against torpedo boat attacks, the support of the attacks of the Byzantine torpedo boats...
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on September 05, 2023, 04:12:03 PM
The Construction Plan is taking shape for the 1928 new hulls.
8xMTBH 80t
4xTGB500 for coastal works
6x750t Submarines
6x1700t DD (3T2x120)
4x3000t C12 (3T2x152)
2x37000t BC (3T3x381)
2x15000t Flat Deck

Title: Re: Byzantine Empire 1925...
Post by: Jefgte on September 06, 2023, 04:26:09 PM
& the 1700t DD

D13, Byzantine Empire Long range D12 laid down 1928

Displacement:
   1 700 t light; 1 781 t standard; 2 124 t normal; 2 398 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (381,78 ft / 374,02 ft) x 36,09 ft x (13,60 / 14,75 ft)
   (116,37 m / 114,00 m) x 11,00 m  x (4,14 / 4,49 m)

Armament:
      6 - 4,72" / 120 mm 45,0 cal guns - 50,00lbs / 22,68kg shells, 200 per gun
     Quick firing guns in deck mounts, 1928 Model
     3 x Twin mounts on centreline ends, majority aft
      1 raised mount aft - superfiring
      4 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 1 000 per gun
     Anti-air guns in deck mounts, 1928 Model
     2 x 2-gun mounts on sides, forward deck aft
      2 raised mounts
      4 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 4 000 per gun
     Machine guns in deck mounts, 1928 Model
     2 x 2-gun mounts on sides, forward deck centre
      2 raised mounts
      Weight of broadside 308 lbs / 140 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,79" / 20 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 39 200 shp / 29 243 Kw = 32,32 kts
   Range 11 000nm at 12,00 kts
   Bunker at max displacement = 617 tons

Complement:
   156 - 203

Cost:
   £0,855 million / $3,420 million

Distribution of weights at normal displacement:
   Armament: 48 tons, 2,3 %
      - Guns: 48 tons, 2,3 %
   Armour: 8 tons, 0,4 %
      - Armament: 8 tons, 0,4 %
   Machinery: 1 062 tons, 50,0 %
   Hull, fittings & equipment: 476 tons, 22,4 %
   Fuel, ammunition & stores: 423 tons, 19,9 %
   Miscellaneous weights: 106 tons, 5,0 %
      - Hull above water: 8 tons
      - On freeboard deck: 68 tons
      - Above deck: 30 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     566 lbs / 257 Kg = 10,7 x 4,7 " / 120 mm shells or 0,3 torpedoes
   Stability (Unstable if below 1.00): 1,29
   Metacentric height 1,7 ft / 0,5 m
   Roll period: 11,6 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,23
   Seaboat quality  (Average = 1.00): 1,02

Hull form characteristics:
   Hull has rise forward of midbreak,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,405 / 0,422
   Length to Beam Ratio: 10,36 : 1
   'Natural speed' for length: 19,34 kts
   Power going to wave formation at top speed: 63 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 20,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  21,33 ft / 6,50 m,  18,37 ft / 5,60 m
      - Forward deck:   23,00 %,  18,37 ft / 5,60 m,  18,37 ft / 5,60 m
      - Aft deck:   45,00 %,  10,50 ft / 3,20 m,  10,50 ft / 3,20 m
      - Quarter deck:   14,50 %,  10,50 ft / 3,20 m,  10,50 ft / 3,20 m
      - Average freeboard:      13,89 ft / 4,24 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 170,0 %
      - Above water (accommodation/working, high = better): 133,9 %
   Waterplane Area: 8 333 Square feet or 774 Square metres
   Displacement factor (Displacement / loading): 79 %
   Structure weight / hull surface area: 33 lbs/sq ft or 160 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 1,24
      - Overall: 0,55
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

AD
5t for 1924 top mast rangefinder
25t for LR marconi
OD
36t for 2x4TTx533HW
15t for improved Hydrophone
5t for 50x90DC
12t reserved for new material, armament, minen.
AW
8T for climatisation

5610nm@16kts
Trial speed: 33kts
Bonus: 0.68
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on October 05, 2023, 03:54:21 PM
Marta - Mira, Byzantine Empire 9000t CVL - 18 aircrafts laid down 1928

Displacement:
   9 000 t light; 9 318 t standard; 10 307 t normal; 11 097 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (573,66 ft / 570,87 ft) x 68,90 ft x (18,34 / 19,40 ft)
   (174,85 m / 174,00 m) x 21,00 m  x (5,59 / 5,91 m)

Armament:
      8 - 4,02" / 102 mm 45,0 cal guns - 33,00lbs / 14,97kg shells, 240 per gun
     Anti-air guns in deck mounts, 1928 Model
     4 x 2-gun mounts on side ends, evenly spread
      16 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 4 000 per gun
     Anti-air guns in deck mounts, 1928 Model
     8 x 2-gun mounts on sides, evenly spread
      8 raised mounts
      16 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 10 000 per gun
     Machine guns in deck mounts, 1928 Model
     8 x 2-gun mounts on sides, evenly spread
      8 raised mounts
      Weight of broadside 297 lbs / 135 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

   - Box over machinery & magazines:
   1,77" / 45 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 60 600 shp / 45 208 Kw = 29,01 kts
   Range 12 000nm at 12,00 kts
   Bunker at max displacement = 1 779 tons

Complement:
   510 - 664

Cost:
   £2,267 million / $9,069 million

Distribution of weights at normal displacement:
   Armament: 56 tons, 0,5 %
      - Guns: 56 tons, 0,5 %
   Armour: 660 tons, 6,4 %
      - Armament: 10 tons, 0,1 %
      - Armour Deck: 650 tons, 6,3 %
   Machinery: 1 887 tons, 18,3 %
   Hull, fittings & equipment: 4 698 tons, 45,6 %
   Fuel, ammunition & stores: 1 307 tons, 12,7 %
   Miscellaneous weights: 1 699 tons, 16,5 %
      - Hull below water: 100 tons
      - Hull above water: 813 tons
      - On freeboard deck: 760 tons
      - Above deck: 26 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     26 423 lbs / 11 985 Kg = 244,7 x 6 " / 152 mm shells or 2,7 torpedoes
   Stability (Unstable if below 1.00): 1,13
   Metacentric height 3,6 ft / 1,1 m
   Roll period: 15,2 seconds
   Steadiness   - As gun platform (Average = 50 %): 80 %
         - Recoil effect (Restricted arc if above 1.00): 0,05
   Seaboat quality  (Average = 1.00): 2,00

Hull form characteristics:
   Hull has low forecastle, low quarterdeck ,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,500 / 0,509
   Length to Beam Ratio: 8,29 : 1
   'Natural speed' for length: 23,89 kts
   Power going to wave formation at top speed: 54 %
   Trim (Max stability = 0, Max steadiness = 100): 40
   Bow angle (Positive = bow angles forward): 6,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   10,00 %,  26,57 ft / 8,10 m,  22,31 ft / 6,80 m
      - Forward deck:   40,00 %,  34,45 ft / 10,50 m,  34,45 ft / 10,50 m
      - Aft deck:   50,00 %,  34,45 ft / 10,50 m,  34,45 ft / 10,50 m
      - Quarter deck:   0,00 %,  14,76 ft / 4,50 m,  14,76 ft / 4,50 m
      - Average freeboard:      33,41 ft / 10,18 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 72,3 %
      - Above water (accommodation/working, high = better): 336,7 %
   Waterplane Area: 26 206 Square feet or 2 435 Square metres
   Displacement factor (Displacement / loading): 164 %
   Structure weight / hull surface area: 89 lbs/sq ft or 435 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,83
      - Longitudinal: 5,37
      - Overall: 1,00
   Excellent machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform
   Excellent seaboat, comfortable, can fire her guns in the heaviest weather

misc weight:
AD
25t for LR Marconi
1t for 1924 fire control
OD
720t for 9 Aircrafts
20t for Climatisation
20t for Fire Fighting
HAW
720t for 9 Aircrafts
40t for Climatisation
40t for Fire Fighting
13t for aircrafts spare parts
HBW
40t for additionnal pumps
60t reserved for  material...
Title: Re: Byzantine Empire 1925...
Post by: The Rock Doctor on October 05, 2023, 07:56:45 PM
Potentially handy.
Title: Re: Byzantine Empire 1925...
Post by: Jefgte on November 11, 2023, 04:42:02 PM
Testing a kind of Takao for Byzance

Kutul class, Byzantine Empire C10 laid down 1929

Displacement:
   9 000 t light; 9 489 t standard; 10 641 t normal; 11 562 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (574,13 ft / 570,87 ft) x 67,52 ft x (19,32 / 20,58 ft)
   (174,99 m / 174,00 m) x 20,58 m  x (5,89 / 6,27 m)

Armament:
      10 - 8,00" / 203 mm 50,0 cal guns - 256,00lbs / 116,12kg shells, 120 per gun
     Breech loading guns in turret on barbette mounts, 1929 Model
     5 x 2-gun mounts on centreline ends, majority forward
      2 raised mounts - superfiring
      12 - 4,72" / 120 mm 45,0 cal guns - 50,00lbs / 22,68kg shells, 200 per gun
     Quick firing guns in deck and hoist mounts, 1929 Model
     6 x 2-gun mounts on sides, evenly spread
      16 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 2 000 per gun
     Anti-air guns in deck mounts, 1929 Model
     8 x 2-gun mounts on side ends, evenly spread
      4 raised mounts - superfiring
      16 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 6 000 per gun
     Machine guns in deck mounts, 1929 Model
     8 x 2-gun mounts on sides, evenly spread
      8 raised mounts
      Weight of broadside 3 193 lbs / 1 448 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   3,94" / 100 mm   370,73 ft / 113,00 m   9,84 ft / 3,00 m
   Ends:   1,38" / 35 mm   200,13 ft / 61,00 m   7,87 ft / 2,40 m
     Main Belt covers 100 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   5,51" / 140 mm   1,77" / 45 mm      2,76" / 70 mm
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -
   5th:   0,24" / 6 mm         -               -

   - Protected deck - single deck:
   For and Aft decks: 1,77" / 45 mm
   Forecastle: 1,18" / 30 mm  Quarter deck: 1,18" / 30 mm

   - Conning towers: Forward 3,54" / 90 mm, Aft 2,76" / 70 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 4 shafts, 61 400 shp / 45 804 Kw = 29,00 kts
   Range 14 000nm at 12,00 kts
   Bunker at max displacement = 2 072 tons

Complement:
   523 - 680

Cost:
   £3,698 million / $14,791 million

Distribution of weights at normal displacement:
   Armament: 1 025 tons, 9,6 %
      - Guns: 1 025 tons, 9,6 %
   Armour: 1 908 tons, 17,9 %
      - Belts: 680 tons, 6,4 %
      - Armament: 365 tons, 3,4 %
      - Armour Deck: 797 tons, 7,5 %
      - Conning Towers: 66 tons, 0,6 %
   Machinery: 1 886 tons, 17,7 %
   Hull, fittings & equipment: 3 905 tons, 36,7 %
   Fuel, ammunition & stores: 1 640 tons, 15,4 %
   Miscellaneous weights: 276 tons, 2,6 %
      - Hull below water: 45 tons
      - Hull above water: 45 tons
      - On freeboard deck: 59 tons
      - Above deck: 127 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     14 065 lbs / 6 380 Kg = 54,9 x 8,0 " / 203 mm shells or 1,9 torpedoes
   Stability (Unstable if below 1.00): 1,06
   Metacentric height 3,1 ft / 1,0 m
   Roll period: 16,0 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,68
   Seaboat quality  (Average = 1.00): 1,14

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,500 / 0,510
   Length to Beam Ratio: 8,45 : 1
   'Natural speed' for length: 23,89 kts
   Power going to wave formation at top speed: 54 %
   Trim (Max stability = 0, Max steadiness = 100): 62
   Bow angle (Positive = bow angles forward): 7,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  26,57 ft / 8,10 m,  21,98 ft / 6,70 m
      - Forward deck:   33,00 %,  21,98 ft / 6,70 m,  18,04 ft / 5,50 m
      - Aft deck:   33,00 %,  18,04 ft / 5,50 m,  16,40 ft / 5,00 m
      - Quarter deck:   16,50 %,  16,40 ft / 5,00 m,  16,40 ft / 5,00 m
      - Average freeboard:      19,16 ft / 5,84 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 88,7 %
      - Above water (accommodation/working, high = better): 174,1 %
   Waterplane Area: 25 681 Square feet or 2 386 Square metres
   Displacement factor (Displacement / loading): 115 %
   Structure weight / hull surface area: 118 lbs/sq ft or 577 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,96
      - Longitudinal: 1,38
      - Overall: 1,00
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

AD
25t for Long Range Marconi
102t for top mast rangefinder - 1924
OD
32t for 2x4TTx533HW
37t reserved
AW
45t for climatisation
BW
45t for additionnal pumps