United States, United States Battleship/CV laid down 1950
Displacement:
429,119 t light; 442,651 t standard; 450,000 t normal; 455,879 t full load
Dimensions: Length overall / water x beam x draught
2,500.00 ft / 2,500.00 ft x 250.00 ft x 35.00 ft (normal load)
762.00 m / 762.00 m x 76.20 m x 10.67 m
Armament:
20 - 16.00" / 406 mm guns (4x5 guns), 2,500.00lbs / 1,133.98kg shells, 1950 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread, 2 raised mounts - superfiring
50 - 5.00" / 127 mm guns (25x2 guns), 62.50lbs / 28.35kg shells, 1950 Model
Dual purpose guns in deck mounts with hoists
on side, all amidships, 10 raised mounts - superfiring
200 - 1.57" / 40.0 mm guns (50x4 guns), 1.95lbs / 0.89kg shells, 1950 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 53,516 lbs / 24,274 kg
Shells per gun, main battery: 150
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 10.0" / 254 mm 500.00 ft / 152.40 m 20.00 ft / 6.10 m
Ends: 5.00" / 127 mm 2,000.00 ft / 609.60 m 20.00 ft / 6.10 m
Upper: 10.0" / 254 mm 500.00 ft / 152.40 m 10.00 ft / 3.05 m
Main Belt covers 31 % of normal length
- Torpedo Bulkhead:
1.00" / 25 mm 1,000.00 ft / 304.80 m 35.00 ft / 10.67 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 10.0" / 254 mm 5.00" / 127 mm 5.00" / 127 mm
2nd: 1.00" / 25 mm - -
3rd: 1.00" / 25 mm - -
- Armour deck: 5.00" / 127 mm, Conning tower: 10.00" / 254 mm
Machinery:
Oil fired boilers, steam turbines,
geared drive, 12 shafts, 343,350 shp / 256,139 Kw = 25.00 kts
Range 8,000nm at 10.00 kts
Bunker at max displacement = 13,228 tons
Complement:
8,686 - 11,293
Cost:
£162.924 million / $651.694 million
Distribution of weights at normal displacement:
Armament: 5,559 tons, 1.2 %
Armour: 70,735 tons, 15.7 %
- Belts: 15,640 tons, 3.5 %
- Torpedo bulkhead: 1,295 tons, 0.3 %
- Armament: 5,367 tons, 1.2 %
- Armour Deck: 47,167 tons, 10.5 %
- Conning Tower: 1,265 tons, 0.3 %
Machinery: 8,214 tons, 1.8 %
Hull, fittings & equipment: 319,611 tons, 71.0 %
Fuel, ammunition & stores: 20,881 tons, 4.6 %
Miscellaneous weights: 25,000 tons, 5.6 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
3,208,589 lbs / 1,455,392 Kg = 1,566.7 x 16.0 " / 406 mm shells or 1,274.9 torpedoes
Stability (Unstable if below 1.00): 1.28
Metacentric height 31.0 ft / 9.4 m
Roll period: 18.9 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.15
Seaboat quality (Average = 1.00): 1.12
Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.720
Length to Beam Ratio: 10.00 : 1
'Natural speed' for length: 50.00 kts
Power going to wave formation at top speed: 14 %
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 (% = measuring location as a percentage of overall length):
- Stem: 75.00 ft / 22.86 m
- Forecastle (20 %): 60.00 ft / 18.29 m
- Mid (50 %): 60.00 ft / 18.29 m
- Quarterdeck (15 %): 60.00 ft / 18.29 m
- Stern: 60.00 ft / 18.29 m
- Average freeboard: 61.20 ft / 18.65 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 25.4 %
- Above water (accommodation/working, high = better): 670.9 %
Waterplane Area: 509,916 Square feet or 47,373 Square metres
Displacement factor (Displacement / loading): 287 %
Structure weight / hull surface area: 506 lbs/sq ft or 2,471 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.68
- Longitudinal: 0.84
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
25,000 tons reserved for aircraft handling facilites amidships
Angled flight decks with hangars amidships
