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Main Archive => Navalism 3 Armed Forces => Armed Forces => New Ship Designs => Topic started by: ledeper on December 25, 2009, 01:28:42 PM

Title: Ocean class follow ups
Post by: ledeper on December 25, 2009, 01:28:42 PM
Same configuration as "first batch":

Ocean-class II, Esc Bb laid down 1921

Displacement:
   35.330 t light; 37.344 t standard; 40.175 t normal; 42.440 t full load

Dimensions: Length overall / water x beam x draught
   720,50 ft / 716,86 ft x 98,43 ft x 31,99 ft (normal load)
   219,61 m / 218,50 m x 30,00 m  x 9,75 m

Armament:
      9 - 15,94" / 405 mm guns (3x3 guns), 2.026,91lbs / 919,39kg shells, 1921 Model
     Breech loading guns in turrets (on barbettes)
     on centreline, evenly spread
     Aft Main mounts separated by engine room
      12 - 5,91" / 150 mm guns (6x2 guns), 102,98lbs / 46,71kg shells, 1921 Model
     Quick firing guns in deck mounts
     on side, all amidships
      2 - 3,94" / 100 mm guns in single mounts, 30,51lbs / 13,84kg shells, 1921 Model
     Quick firing guns in deck mounts
     on side, evenly spread
      10 - 1,57" / 40,0 mm guns in single mounts, 1,95lbs / 0,89kg shells, 1921 Model
     Anti-aircraft guns in deck mounts
     on side, evenly spread, all raised mounts
   Weight of broadside 19.558 lbs / 8.872 kg
   Shells per gun, main battery: 110

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   13,8" / 350 mm   426,84 ft / 130,10 m   15,19 ft / 4,63 m
   Ends:   Unarmoured
   Upper:   5,91" / 150 mm   426,84 ft / 130,10 m   8,01 ft / 2,44 m
     Main Belt covers 92 % of normal length

   - Torpedo Bulkhead:
      1,97" / 50 mm   537,66 ft / 163,88 m   29,89 ft / 9,11 m

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   13,8" / 350 mm   9,84" / 250 mm      13,8" / 350 mm
   2nd:   2,95" / 75 mm   0,79" / 20 mm            -
   3rd:   0,79" / 20 mm         -               -
   4th:   0,39" / 10 mm         -               -

   - Armour deck: 5,91" / 150 mm, Conning tower: 13,78" / 350 mm

Machinery:
   Oil fired boilers, steam turbines,
   Electric cruising motors plus geared drives, 4 shafts, 88.819 shp / 66.259 Kw = 26,00 kts
   Range 10.000nm at 14,00 kts
   Bunker at max displacement = 5.096 tons

Complement:
   1.418 - 1.844

Cost:
   £9,465 million / $37,860 million

Distribution of weights at normal displacement:
   Armament: 2.445 tons, 6,1 %
   Armour: 15.038 tons, 37,4 %
      - Belts: 4.819 tons, 12,0 %
      - Torpedo bulkhead: 1.170 tons, 2,9 %
      - Armament: 2.941 tons, 7,3 %
      - Armour Deck: 5.760 tons, 14,3 %
      - Conning Tower: 348 tons, 0,9 %
   Machinery: 3.059 tons, 7,6 %
   Hull, fittings & equipment: 14.139 tons, 35,2 %
   Fuel, ammunition & stores: 4.844 tons, 12,1 %
   Miscellaneous weights: 650 tons, 1,6 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     50.379 lbs / 22.852 Kg = 24,9 x 15,9 " / 405 mm shells or 7,6 torpedoes
   Stability (Unstable if below 1.00): 1,13
   Metacentric height 6,1 ft / 1,9 m
   Roll period: 16,7 seconds
   Steadiness   - As gun platform (Average = 50 %): 58 %
         - Recoil effect (Restricted arc if above 1.00): 0,66
   Seaboat quality  (Average = 1.00): 1,16

Hull form characteristics:
   Hull has a flush deck
   Block coefficient: 0,623
   Length to Beam Ratio: 7,28 : 1
   'Natural speed' for length: 26,77 kts
   Power going to wave formation at top speed: 49 %
   Trim (Max stability = 0, Max steadiness = 100): 50
   Bow angle (Positive = bow angles forward): 9,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      22,97 ft / 7,00 m
      - Forecastle (10 %):   19,16 ft / 5,84 m
      - Mid (50 %):      19,16 ft / 5,84 m
      - Quarterdeck (15 %):   19,16 ft / 5,84 m
      - Stern:      19,16 ft / 5,84 m
      - Average freeboard:   19,31 ft / 5,89 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 91,3 %
      - Above water (accommodation/working, high = better): 135,7 %
   Waterplane Area: 52.722 Square feet or 4.898 Square metres
   Displacement factor (Displacement / loading): 97 %
   Structure weight / hull surface area: 194 lbs/sq ft or 947 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,98
      - Longitudinal: 1,24
      - Overall: 1,00
   Hull space for machinery, storage, compartmentation is adequate
   Room for accommodation and workspaces is excellent


And then a A.B.Y configuration:

Ocean-class II, Esc Bb laid down 1921

Displacement:
   35.871 t light; 37.896 t standard; 40.755 t normal; 43.042 t full load

Dimensions: Length overall / water x beam x draught
   720,50 ft / 716,86 ft x 98,43 ft x 31,99 ft (normal load)
   219,61 m / 218,50 m x 30,00 m  x 9,75 m

Armament:
      9 - 15,94" / 405 mm guns (3x3 guns), 2.026,91lbs / 919,39kg shells, 1921 Model
     Breech loading guns in turrets (on barbettes)
     on centreline ends, majority forward, 1 raised mount - superfiring
      12 - 5,91" / 150 mm guns (6x2 guns), 102,98lbs / 46,71kg shells, 1921 Model
     Quick firing guns in deck mounts
     on side, all amidships
      2 - 3,94" / 100 mm guns in single mounts, 30,51lbs / 13,84kg shells, 1921 Model
     Quick firing guns in deck mounts
     on side, evenly spread
      10 - 1,57" / 40,0 mm guns in single mounts, 1,95lbs / 0,89kg shells, 1921 Model
     Anti-aircraft guns in deck mounts
     on side, evenly spread, all raised mounts
   Weight of broadside 19.558 lbs / 8.872 kg
   Shells per gun, main battery: 110

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   12,8" / 325 mm   421,59 ft / 128,50 m   15,19 ft / 4,63 m
   Ends:   Unarmoured
   Upper:   5,91" / 150 mm   421,59 ft / 128,50 m   8,01 ft / 2,44 m
     Main Belt covers 90 % of normal length

   - Torpedo Bulkhead:
      1,97" / 50 mm   537,66 ft / 163,88 m   30,68 ft / 9,35 m

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   13,8" / 350 mm   9,84" / 250 mm      13,8" / 350 mm
   2nd:   1,97" / 50 mm   0,79" / 20 mm            -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

   - Armour deck: 5,91" / 150 mm, Conning tower: 11,81" / 300 mm

Machinery:
   Oil fired boilers, steam turbines,
   Electric cruising motors plus geared drives, 4 shafts, 89.898 shp / 67.064 Kw = 26,00 kts
   Range 10.000nm at 14,00 kts
   Bunker at max displacement = 5.146 tons

Complement:
   1.433 - 1.864

Cost:
   £9,526 million / $38,106 million

Distribution of weights at normal displacement:
   Armament: 2.445 tons, 6,0 %
   Armour: 14.902 tons, 36,6 %
      - Belts: 4.495 tons, 11,0 %
      - Torpedo bulkhead: 1.201 tons, 2,9 %
      - Armament: 3.096 tons, 7,6 %
      - Armour Deck: 5.808 tons, 14,3 %
      - Conning Tower: 301 tons, 0,7 %
   Machinery: 3.096 tons, 7,6 %
   Hull, fittings & equipment: 14.779 tons, 36,3 %
   Fuel, ammunition & stores: 4.884 tons, 12,0 %
   Miscellaneous weights: 650 tons, 1,6 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     50.419 lbs / 22.870 Kg = 24,9 x 15,9 " / 405 mm shells or 7,8 torpedoes
   Stability (Unstable if below 1.00): 1,08
   Metacentric height 5,7 ft / 1,7 m
   Roll period: 17,3 seconds
   Steadiness   - As gun platform (Average = 50 %): 56 %
         - Recoil effect (Restricted arc if above 1.00): 0,74
   Seaboat quality  (Average = 1.00): 1,12

Hull form characteristics:
   Hull has a flush deck
   Block coefficient: 0,632
   Length to Beam Ratio: 7,28 : 1
   'Natural speed' for length: 26,77 kts
   Power going to wave formation at top speed: 49 %
   Trim (Max stability = 0, Max steadiness = 100): 50
   Bow angle (Positive = bow angles forward): 9,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      22,97 ft / 7,00 m
      - Forecastle (10 %):   19,16 ft / 5,84 m
      - Mid (50 %):      19,16 ft / 5,84 m
      - Quarterdeck (15 %):   19,16 ft / 5,84 m
      - Stern:      19,16 ft / 5,84 m
      - Average freeboard:   19,31 ft / 5,89 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 90,4 %
      - Above water (accommodation/working, high = better): 135,4 %
   Waterplane Area: 53.163 Square feet or 4.939 Square metres
   Displacement factor (Displacement / loading): 99 %
   Structure weight / hull surface area: 201 lbs/sq ft or 983 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,98
      - Longitudinal: 1,23
      - Overall: 1,00
   Hull space for machinery, storage, compartmentation is adequate
   Room for accommodation and workspaces is excellent

and Third "The Nelson"configuration:

Ocean-class II, Esc Bb laid down 1921

Displacement:
   36.292 t light; 38.326 t standard; 41.206 t normal; 43.511 t full load

Dimensions: Length overall / water x beam x draught
   720,50 ft / 716,86 ft x 98,43 ft x 31,99 ft (normal load)
   219,61 m / 218,50 m x 30,00 m  x 9,75 m

Armament:
      9 - 15,94" / 405 mm guns (3x3 guns), 2.026,91lbs / 919,39kg shells, 1921 Model
     Breech loading guns in turrets (on barbettes)
     on centreline, all forward, 1 raised mount - superfiring
      12 - 5,91" / 150 mm guns (6x2 guns), 102,98lbs / 46,71kg shells, 1921 Model
     Quick firing guns in deck mounts
     on side, all amidships
      2 - 3,94" / 100 mm guns in single mounts, 30,51lbs / 13,84kg shells, 1921 Model
     Quick firing guns in deck mounts
     on side, evenly spread
      10 - 1,57" / 40,0 mm guns in single mounts, 1,95lbs / 0,89kg shells, 1921 Model
     Anti-aircraft guns in deck mounts
     on side, evenly spread, all raised mounts
   Weight of broadside 19.558 lbs / 8.872 kg
   Shells per gun, main battery: 110

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   13,8" / 350 mm   419,95 ft / 128,00 m   16,40 ft / 5,00 m
   Ends:   Unarmoured
   Upper:   5,91" / 150 mm   419,95 ft / 128,00 m   8,20 ft / 2,50 m
     Main Belt covers 90 % of normal length

   - Torpedo Bulkhead:
      1,97" / 50 mm   419,95 ft / 128,00 m   32,81 ft / 10,00 m

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   13,8" / 350 mm   9,84" / 250 mm      13,8" / 350 mm
   2nd:   2,95" / 75 mm   0,79" / 20 mm            -
   3rd:   0,79" / 20 mm         -               -
   4th:   0,39" / 10 mm         -               -

   - Armour deck: 5,91" / 150 mm, Conning tower: 13,78" / 350 mm

Machinery:
   Oil fired boilers, steam turbines,
   Electric cruising motors plus geared drives, 4 shafts, 90.739 shp / 67.691 Kw = 26,00 kts
   Range 10.000nm at 14,00 kts
   Bunker at max displacement = 5.185 tons

Complement:
   1.445 - 1.879

Cost:
   £9,574 million / $38,297 million

Distribution of weights at normal displacement:
   Armament: 2.445 tons, 5,9 %
   Armour: 15.409 tons, 37,4 %
      - Belts: 5.093 tons, 12,4 %
      - Torpedo bulkhead: 1.004 tons, 2,4 %
      - Armament: 3.112 tons, 7,6 %
      - Armour Deck: 5.846 tons, 14,2 %
      - Conning Tower: 354 tons, 0,9 %
   Machinery: 3.125 tons, 7,6 %
   Hull, fittings & equipment: 14.664 tons, 35,6 %
   Fuel, ammunition & stores: 4.915 tons, 11,9 %
   Miscellaneous weights: 650 tons, 1,6 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     51.214 lbs / 23.230 Kg = 25,3 x 15,9 " / 405 mm shells or 7,7 torpedoes
   Stability (Unstable if below 1.00): 1,08
   Metacentric height 5,7 ft / 1,7 m
   Roll period: 17,4 seconds
   Steadiness   - As gun platform (Average = 50 %): 57 %
         - Recoil effect (Restricted arc if above 1.00): 0,75
   Seaboat quality  (Average = 1.00): 1,15

Hull form characteristics:
   Hull has a flush deck
   Block coefficient: 0,639
   Length to Beam Ratio: 7,28 : 1
   'Natural speed' for length: 26,77 kts
   Power going to wave formation at top speed: 49 %
   Trim (Max stability = 0, Max steadiness = 100): 50
   Bow angle (Positive = bow angles forward): 9,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      22,97 ft / 7,00 m
      - Forecastle (10 %):   19,16 ft / 5,84 m
      - Mid (50 %):      19,16 ft / 5,84 m
      - Quarterdeck (15 %):   19,16 ft / 5,84 m
      - Stern:      19,16 ft / 5,84 m
      - Average freeboard:   19,31 ft / 5,89 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 89,8 %
      - Above water (accommodation/working, high = better): 135,1 %
   Waterplane Area: 53.507 Square feet or 4.971 Square metres
   Displacement factor (Displacement / loading): 98 %
   Structure weight / hull surface area: 199 lbs/sq ft or 970 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,97
      - Longitudinal: 1,28
      - Overall: 1,00
   Hull space for machinery, storage, compartmentation is adequate
   Room for accommodation and workspaces is excellent

Which One ??? ??? all feedback appreciated!!
Title: Re: Ocean class follow ups
Post by: Borys on December 25, 2009, 03:03:59 PM
Ahoj!
I consider all three to be equally bad, but the first (evenly spread) is the least bad of the lot.
Borys
Title: Re: Ocean class follow ups
Post by: ledeper on December 25, 2009, 03:12:12 PM
QuoteI consider all three to be equally bad
What u mean,u not nice :D :D :D
Title: Re: Ocean class follow ups
Post by: Borys on December 25, 2009, 03:34:06 PM
Ahoj!
They can't shoot - and that's what battleships are for - to shoot at other battleships.
Borys
Title: Re: Ocean class follow ups
Post by: ledeper on December 26, 2009, 11:13:09 AM
QuoteThey can't shoot
øhhh,what do u mean ??? ??? ???
Title: Re: Ocean class follow ups
Post by: Sachmle on December 26, 2009, 11:31:50 AM
Quote from: ledeper on December 26, 2009, 11:13:09 AM
QuoteThey can't shoot
øhhh,what do u mean ??? ??? ???

Probably a combination of the low stability (all less than 60%) and the highish recoil (0.66, 0.74, and 0.75)
Title: Re: Ocean class follow ups
Post by: Jefgte on December 26, 2009, 05:04:28 PM
QuoteEnds:   Unarmoured...

No protection for the BB stem !!!

IMO, All or nothing mean light protection.


Jef
Title: Re: Ocean class follow ups
Post by: Walter on December 26, 2009, 05:15:13 PM
To me it means either well protected or no armor at all. :)
Title: Re: Ocean class follow ups
Post by: Borys on December 27, 2009, 01:47:22 AM
Quote from: Sachmle on December 26, 2009, 11:31:50 AM
Quote from: ledeper on December 26, 2009, 11:13:09 AM
QuoteThey can't shoot
øhhh,what do u mean ??? ??? ???

Probably a combination of the low stability (all less than 60%) and the highish recoil (0.66, 0.74, and 0.75)
Yes, this is what I had in mind.
Borys