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DECCA DAKKA

Started by The Rock Doctor, April 26, 2021, 01:06:43 PM

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The Rock Doctor

#15
May 11, 2021, 06:30:47 PM Last Edit: May 11, 2021, 06:36:10 PM by The Rock Doctor
Possible large light cruiser...

Enter ship name, Enter country Enter ship type laid down 1920

Displacement:
   18,164 t light; 19,259 t standard; 20,489 t normal; 21,472 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (571.77 ft / 557.74 ft) x 88.58 ft x (25.92 / 26.91 ft)
   (174.28 m / 170.00 m) x 27.00 m  x (7.90 / 8.20 m)

Armament:
      4 - 13.58" / 345 mm 45.0 cal guns - 1,263.25lbs / 573.00kg shells, 100 per gun
     Breech loading guns in turret on barbette mounts, 1920 Model
     2 x Twin mounts on centreline, evenly spread
      16 - 6.50" / 165 mm 45.0 cal guns - 138.89lbs / 63.00kg shells, 250 per gun
     Breech loading guns in casemate mounts, 1920 Model
     16 x Single mounts on sides, evenly spread
      12 - 4.72" / 120 mm 45.0 cal guns - 52.91lbs / 24.00kg shells, 250 per gun
     Quick firing guns in casemate mounts, 1920 Model
     8 x Single mounts on sides, evenly spread
      8 raised mounts
     4 x Single mounts layout not set
      4 hull mounts in casemates- Limited use in heavy seas
      4 - 3.54" / 90.0 mm 45.0 cal guns - 22.43lbs / 10.18kg shells, 150 per gun
     Anti-air guns in deck mounts, 1920 Model
     4 x Single mounts on sides, evenly spread
      4 raised mounts
      Weight of broadside 8,000 lbs / 3,629 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   5.51" / 140 mm   426.51 ft / 130.00 m   15.75 ft / 4.80 m
   Ends:   1.97" / 50 mm   131.23 ft / 40.00 m   11.81 ft / 3.60 m
     Main Belt covers 118 % of normal length

   - Torpedo Bulkhead - Additional damage containing bulkheads:
      1.97" / 50 mm   426.51 ft / 130.00 m   23.95 ft / 7.30 m
   Beam between torpedo bulkheads 75.46 ft / 23.00 m

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   9.84" / 250 mm   3.94" / 100 mm      9.84" / 250 mm
   2nd:   1.97" / 50 mm   1.97" / 50 mm            -
   3rd:   0.79" / 20 mm   0.79" / 20 mm            -
   4th:   0.79" / 20 mm   0.79" / 20 mm            -

   - Armoured deck - multiple decks:
   For and Aft decks: 1.97" / 50 mm
   Forecastle: 1.18" / 30 mm  Quarter deck: 1.97" / 50 mm

   - Conning towers: Forward 5.51" / 140 mm, Aft 0.00" / 0 mm

Machinery:
   Coal and oil fired boilers, steam turbines,
   Direct drive, 2 shafts, 115,281 shp / 86,000 Kw = 30.00 kts
   Range 10,000nm at 10.00 kts
   Bunker at max displacement = 2,213 tons (90% coal)

Complement:
   856 - 1,113

Cost:
   £4.398 million / $17.594 million

Distribution of weights at normal displacement:
   Armament: 1,322 tons, 6.5 %
      - Guns: 1,322 tons, 6.5 %
   Armour: 4,772 tons, 23.3 %
      - Belts: 1,668 tons, 8.1 %
      - Torpedo bulkhead: 744 tons, 3.6 %
      - Armament: 1,039 tons, 5.1 %
      - Armour Deck: 1,232 tons, 6.0 %
      - Conning Tower: 89 tons, 0.4 %
   Machinery: 4,390 tons, 21.4 %
   Hull, fittings & equipment: 7,232 tons, 35.3 %
   Fuel, ammunition & stores: 2,324 tons, 11.3 %
   Miscellaneous weights: 448 tons, 2.2 %
      - Hull below water: 50 tons
      - Hull above water: 150 tons
      - On freeboard deck: 198 tons
      - Above deck: 50 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     24,778 lbs / 11,239 Kg = 19.8 x 13.6 " / 345 mm shells or 3.5 torpedoes
   Stability (Unstable if below 1.00): 1.21
   Metacentric height 5.9 ft / 1.8 m
   Roll period: 15.3 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0.55
   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): 0.560 / 0.565
   Length to Beam Ratio: 6.30 : 1
   'Natural speed' for length: 23.62 kts
   Power going to wave formation at top speed: 63 %
   Trim (Max stability = 0, Max steadiness = 100): 68
   Bow angle (Positive = bow angles forward): 20.00 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 %,  29.53 ft / 9.00 m,  24.61 ft / 7.50 m
      - Forward deck:   30.00 %,  24.61 ft / 7.50 m,  24.61 ft / 7.50 m
      - Aft deck:   35.00 %,  24.61 ft / 7.50 m,  24.61 ft / 7.50 m
      - Quarter deck:   15.00 %,  24.61 ft / 7.50 m,  24.61 ft / 7.50 m
      - Average freeboard:      25.00 ft / 7.62 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 116.5 %
      - Above water (accommodation/working, high = better): 190.6 %
   Waterplane Area: 34,805 Square feet or 3,234 Square metres
   Displacement factor (Displacement / loading): 103 %
   Structure weight / hull surface area: 153 lbs/sq ft or 745 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.91
      - Longitudinal: 2.32
      - Overall: 1.00
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform


The Rock Doctor

#16
May 11, 2021, 06:35:37 PM
And a possible big gun battlecruiser...

Enter ship name, Enter country Enter ship type laid down 1920

Displacement:
   18,484 t light; 19,510 t standard; 20,748 t normal; 21,738 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (571.77 ft / 557.74 ft) x 88.58 ft x (26.25 / 27.24 ft)
   (174.28 m / 170.00 m) x 27.00 m  x (8.00 / 8.30 m)

Armament:
      8 - 10.83" / 275 mm 45.0 cal guns - 639.96lbs / 290.28kg shells, 100 per gun
     Breech loading guns in turret on barbette mounts, 1920 Model
     2 x Twin mounts on centreline, evenly spread
     2 x Twin mounts on sides amidships
      12 - 6.50" / 165 mm 45.0 cal guns - 138.89lbs / 63.00kg shells, 250 per gun
     Breech loading guns in casemate mounts, 1920 Model
     12 x Single mounts on sides, evenly spread
      12 - 4.72" / 120 mm 45.0 cal guns - 52.91lbs / 24.00kg shells, 250 per gun
     Quick firing guns in casemate mounts, 1920 Model
     8 x Single mounts on sides, evenly spread
      8 raised mounts
     4 x Single mounts on side ends, evenly spread
      4 hull mounts in casemates- Limited use in heavy seas
      4 - 3.54" / 90.0 mm 45.0 cal guns - 22.42lbs / 10.17kg shells, 150 per gun
     Anti-air guns in deck mounts, 1920 Model
     4 x Single mounts on sides, evenly spread
      4 raised mounts
      Weight of broadside 7,511 lbs / 3,407 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   7.87" / 200 mm   410.11 ft / 125.00 m   13.12 ft / 4.00 m
   Ends:   1.97" / 50 mm   147.61 ft / 44.99 m   11.29 ft / 3.44 m
     Main Belt covers 113 % of normal length

   - Torpedo Bulkhead - Additional damage containing bulkheads:
      1.97" / 50 mm   393.70 ft / 120.00 m   24.25 ft / 7.39 m
   Beam between torpedo bulkheads 75.46 ft / 23.00 m

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   9.84" / 250 mm   3.94" / 100 mm      9.84" / 250 mm
   2nd:   1.97" / 50 mm   1.97" / 50 mm            -
   3rd:   0.79" / 20 mm   0.79" / 20 mm            -
   4th:   0.79" / 20 mm   0.79" / 20 mm            -

   - Armoured deck - multiple decks:
   For and Aft decks: 1.97" / 50 mm
   Forecastle: 1.18" / 30 mm  Quarter deck: 1.97" / 50 mm

   - Conning towers: Forward 5.51" / 140 mm, Aft 0.00" / 0 mm

Machinery:
   Coal and oil fired boilers, steam turbines,
   Direct drive, 2 shafts, 112,601 shp / 84,000 Kw = 29.78 kts
   Range 10,000nm at 10.00 kts
   Bunker at max displacement = 2,228 tons (90% coal)

Complement:
   863 - 1,123

Cost:
   £4.346 million / $17.383 million

Distribution of weights at normal displacement:
   Armament: 1,308 tons, 6.3 %
      - Guns: 1,308 tons, 6.3 %
   Armour: 5,388 tons, 26.0 %
      - Belts: 1,918 tons, 9.2 %
      - Torpedo bulkhead: 695 tons, 3.4 %
      - Armament: 1,453 tons, 7.0 %
      - Armour Deck: 1,232 tons, 5.9 %
      - Conning Tower: 90 tons, 0.4 %
   Machinery: 4,288 tons, 20.7 %
   Hull, fittings & equipment: 7,108 tons, 34.3 %
   Fuel, ammunition & stores: 2,265 tons, 10.9 %
   Miscellaneous weights: 391 tons, 1.9 %
      - Hull above water: 140 tons
      - On freeboard deck: 201 tons
      - Above deck: 50 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     25,529 lbs / 11,580 Kg = 40.2 x 10.8 " / 275 mm shells or 3.7 torpedoes
   Stability (Unstable if below 1.00): 1.16
   Metacentric height 5.5 ft / 1.7 m
   Roll period: 15.8 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0.55
   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): 0.560 / 0.565
   Length to Beam Ratio: 6.30 : 1
   'Natural speed' for length: 23.62 kts
   Power going to wave formation at top speed: 62 %
   Trim (Max stability = 0, Max steadiness = 100): 68
   Bow angle (Positive = bow angles forward): 20.00 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 %,  29.53 ft / 9.00 m,  24.61 ft / 7.50 m
      - Forward deck:   30.00 %,  24.61 ft / 7.50 m,  24.61 ft / 7.50 m
      - Aft deck:   35.00 %,  24.61 ft / 7.50 m,  24.61 ft / 7.50 m
      - Quarter deck:   15.00 %,  24.61 ft / 7.50 m,  24.61 ft / 7.50 m
      - Average freeboard:      25.00 ft / 7.62 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 111.6 %
      - Above water (accommodation/working, high = better): 189.0 %
   Waterplane Area: 34,805 Square feet or 3,234 Square metres
   Displacement factor (Displacement / loading): 104 %
   Structure weight / hull surface area: 150 lbs/sq ft or 732 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.91
      - Longitudinal: 2.17
      - Overall: 1.00
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform


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