NSS United States

[Desertfox]

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