12 gun version.
Edited the design, lengthened the stern, modified the armor scheme to exactly match the North Carolina.
USS South Carolina, United States Battleship laid down 1937
Displacement:
35,938 t light; 37,735 t standard; 39,855 t normal; 41,551 t full load
Dimensions: Length overall / water x beam x draught
777.77 ft / 762.00 ft x 108.00 ft x 30.00 ft (normal load)
237.07 m / 232.26 m x 32.92 m x 9.14 m
Armament:
12 - 14.00" / 356 mm guns (4x3 guns), 1,372.00lbs / 622.33kg shells, 1937 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread, 2 raised mounts - superfiring
20 - 5.00" / 127 mm guns (10x2 guns), 62.50lbs / 28.35kg shells, 1937 Model
Dual purpose guns in deck mounts with hoists
on side, all amidships, 6 raised mounts - superfiring
24 - 1.10" / 27.9 mm guns (6x4 guns), 0.67lbs / 0.30kg shells, 1937 Model
Anti-aircraft guns in deck mounts
on centreline, evenly spread, all raised mounts
12 - 0.30" / 7.6 mm guns in single mounts, 0.01lbs / 0.00kg shells, 1937 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 17,730 lbs / 8,042 kg
Shells per gun, main battery: 100
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 12.5" / 318 mm 416.00 ft / 126.80 m 12.47 ft / 3.80 m
Ends: Unarmoured
Main Belt covers 84 % of normal length
- Torpedo Bulkhead:
3.00" / 76 mm 416.00 ft / 126.80 m 27.84 ft / 8.49 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 16.0" / 406 mm 9.50" / 241 mm 16.0" / 406 mm
2nd: 2.50" / 64 mm 2.50" / 64 mm 2.50" / 64 mm
- Armour deck: 5.00" / 127 mm, Conning tower: 16.00" / 406 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 114,267 shp / 85,243 Kw = 28.00 kts
Range 17,450nm at 10.00 kts
Bunker at max displacement = 3,815 tons
Complement:
1,409 - 1,833
Cost:
£19.434 million / $77.736 million
Distribution of weights at normal displacement:
Armament: 2,216 tons, 5.6 %
Armour: 14,238 tons, 35.7 %
- Belts: 2,910 tons, 7.3 %
- Torpedo bulkhead: 1,286 tons, 3.2 %
- Armament: 4,253 tons, 10.7 %
- Armour Deck: 5,388 tons, 13.5 %
- Conning Tower: 402 tons, 1.0 %
Machinery: 3,167 tons, 7.9 %
Hull, fittings & equipment: 16,167 tons, 40.6 %
Fuel, ammunition & stores: 3,917 tons, 9.8 %
Miscellaneous weights: 150 tons, 0.4 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
53,243 lbs / 24,151 Kg = 38.8 x 14.0 " / 356 mm shells or 9.3 torpedoes
Stability (Unstable if below 1.00): 1.03
Metacentric height 6.0 ft / 1.8 m
Roll period: 18.5 seconds
Steadiness - As gun platform (Average = 50 %): 60 %
- Recoil effect (Restricted arc if above 1.00): 0.60
Seaboat quality (Average = 1.00): 1.06
Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.565
Length to Beam Ratio: 7.06 : 1
'Natural speed' for length: 27.60 kts
Power going to wave formation at top speed: 49 %
Trim (Max stability = 0, Max steadiness = 100): 57
Bow angle (Positive = bow angles forward): 17.50 degrees
Stern overhang: 6.00 ft / 1.83 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 31.00 ft / 9.45 m
- Forecastle (19 %): 22.00 ft / 6.71 m
- Mid (50 %): 18.00 ft / 5.49 m
- Quarterdeck (15 %): 19.00 ft / 5.79 m
- Stern: 21.00 ft / 6.40 m
- Average freeboard: 20.55 ft / 6.26 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 84.0 %
- Above water (accommodation/working, high = better): 151.2 %
Waterplane Area: 58,248 Square feet or 5,411 Square metres
Displacement factor (Displacement / loading): 104 %
Structure weight / hull surface area: 207 lbs/sq ft or 1,011 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.99
- Longitudinal: 1.12
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
Main Armor Belt inclined 15'