Under construction (about 50-60% finished) as of Q1/1906
NSS United States
United States class, New Switzerland Battleship laid down 1905 (Engine 1909)
Displacement:
12,409 t light; 13,192 t standard; 15,550 t normal; 17,436 t full load
Dimensions: Length overall / water x beam x draught
550.00 ft / 550.00 ft x 70.00 ft x 24.80 ft (normal load)
167.64 m / 167.64 m x 21.34 m x 7.56 m
Armament:
6 - 12.00" / 305 mm guns (3x2 guns), 900.00lbs / 408.23kg shells, 1905 Model
Breech loading guns in turrets (on barbettes)
on centreline, evenly spread
Aft Main mounts separated by engine room
10 - 6.00" / 152 mm guns in single mounts, 108.00lbs / 48.99kg shells, 1905 Model
Breech loading guns in casemate mounts
on side, evenly spread
10 - 4.00" / 102 mm guns in single mounts, 32.00lbs / 14.51kg shells, 1905 Model
Quick firing guns in deck mounts
on side, evenly spread, all raised mounts
6 - 1.57" / 40.0 mm guns (3x2 guns), 1.95lbs / 0.88kg shells, 1915 Model
Anti-aircraft guns in deck mounts
on centreline, evenly spread, all raised mounts
Weight of broadside 6,812 lbs / 3,090 kg
Shells per gun, main battery: 120
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 11.0" / 279 mm 240.00 ft / 73.15 m 10.00 ft / 3.05 m
Ends: 5.00" / 127 mm 310.00 ft / 94.49 m 10.00 ft / 3.05 m
Upper: 5.00" / 127 mm 240.00 ft / 73.15 m 5.00 ft / 1.52 m
Main Belt covers 67 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 11.0" / 279 mm 7.00" / 178 mm 11.0" / 279 mm
2nd: 5.00" / 127 mm - -
- Armour deck: 3.00" / 76 mm, Conning tower: 5.00" / 127 mm
Machinery:
Coal and oil fired boilers, steam turbines,
Direct drive, 2 shafts, 23,141 shp / 17,263 Kw = 21.00 kts
Range 15,000nm at 10.00 kts
Bunker at max displacement = 4,244 tons (90% coal)
Complement:
696 - 905
Cost:
£1.287 million / $5.149 million
Distribution of weights at normal displacement:
Armament: 824 tons, 5.3 %
Armour: 4,937 tons, 31.8 %
- Belts: 2,080 tons, 13.4 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 1,271 tons, 8.2 %
- Armour Deck: 1,519 tons, 9.8 %
- Conning Tower: 67 tons, 0.4 %
Machinery: 1,146 tons, 7.4 %
Hull, fittings & equipment: 5,351 tons, 34.4 %
Fuel, ammunition & stores: 3,141 tons, 20.2 %
Miscellaneous weights: 150 tons, 1.0 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
21,583 lbs / 9,790 Kg = 25.0 x 12.0 " / 305 mm shells or 2.9 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 3.5 ft / 1.1 m
Roll period: 15.7 seconds
Steadiness - As gun platform (Average = 50 %): 71 %
- Recoil effect (Restricted arc if above 1.00): 0.73
Seaboat quality (Average = 1.00): 1.26
Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.570
Length to Beam Ratio: 7.86 : 1
'Natural speed' for length: 23.45 kts
Power going to wave formation at top speed: 42 %
Trim (Max stability = 0, Max steadiness = 100): 56
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: 21.00 ft / 6.40 m
- Forecastle (20 %): 15.00 ft / 4.57 m
- Mid (50 %): 15.00 ft / 4.57 m
- Quarterdeck (15 %): 15.00 ft / 4.57 m
- Stern: 15.00 ft / 4.57 m
- Average freeboard: 15.48 ft / 4.72 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 66.0 %
- Above water (accommodation/working, high = better): 112.4 %
Waterplane Area: 27,378 Square feet or 2,543 Square metres
Displacement factor (Displacement / loading): 111 %
Structure weight / hull surface area: 134 lbs/sq ft or 654 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.97
- Longitudinal: 1.23
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily