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- USS Vermont, United States Battleship laid down 1936
- Displacement:
- 33,544 t light; 35,006 t standard; 39,078 t normal; 42,335 t full load
- Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
- (797.36 ft / 780.00 ft) x 108.00 ft x (33.00 / 35.05 ft)
- (243.03 m / 237.74 m) x 32.92 m x (10.06 / 10.68 m)
- Armament:
- 12 - 14.00" / 356 mm 50.0 cal guns - 1,500.00lbs / 680.39kg shells, 50 per gun
- Breech loading guns in turret on barbette mounts, 1936 Model
- 2 x Quad mounts on centreline, forward deck forward
- 1 raised mount - superfiring
- 1 x Quad mount on centreline, aft deck aft
- 12 - 5.00" / 127 mm 38.0 cal guns - 55.18lbs / 25.03kg shells, 400 per gun
- Dual purpose guns in deck and hoist mounts, 1934 Model
- 6 x Twin mounts on sides, evenly spread
- 2 raised mounts
- 32 - 1.10" / 27.9 mm 75.0 cal guns - 0.93lbs / 0.42kg shells, 2,000 per gun
- Anti-air guns in deck mounts, 1936 Model
- 8 x Quad mounts on sides, evenly spread
- 2 raised mounts
- 16 - 0.50" / 12.7 mm 90.0 cal guns - 0.04lbs / 0.02kg shells, 2,000 per gun
- Machine guns in deck mounts, 1936 Model
- 16 x Single mounts on sides, evenly spread
- Weight of broadside 18,693 lbs / 8,479 kg
- Armour:
- - Belts: Width (max) Length (avg) Height (avg)
- Main: 11.1" / 283 mm 510.12 ft / 155.48 m 12.50 ft / 3.81 m
- Ends: Unarmoured
- Main Belt covers 101 % of normal length
- Main Belt inclined -15.00 degrees (positive = in)
- - Torpedo Bulkhead - Additional damage containing bulkheads:
- 3.25" / 83 mm 510.12 ft / 155.48 m 28.78 ft / 8.77 m
- Beam between torpedo bulkheads 74.00 ft / 22.56 m
- - Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
- Main: 16.0" / 406 mm 9.00" / 229 mm 11.2" / 283 mm
- 2nd: 3.00" / 76 mm 2.00" / 51 mm 4.00" / 102 mm
- - Protected deck - multiple decks:
- For and Aft decks: 4.71" / 120 mm
- Forecastle: 1.50" / 38 mm Quarter deck: 1.50" / 38 mm
- - Conning towers: Forward 14.00" / 356 mm, Aft 0.00" / 0 mm
- Machinery:
- Oil fired boilers, steam turbines,
- Geared drive, 4 shafts, 108,101 shp / 80,643 Kw = 28.00 kts
- Range 15,000nm at 15.00 kts
- Bunker at max displacement = 7,329 tons
- Complement:
- 1,389 - 1,806
- Cost:
- £18.275 million / $73.101 million
- Distribution of weights at normal displacement:
- Armament: 3,440 tons, 8.8 %
- - Guns: 3,440 tons, 8.8 %
- Armour: 11,814 tons, 30.2 %
- - Belts: 3,006 tons, 7.7 %
- - Torpedo bulkhead: 1,765 tons, 4.5 %
- - Armament: 2,429 tons, 6.2 %
- - Armour Deck: 4,266 tons, 10.9 %
- - Conning Tower: 347 tons, 0.9 %
- Machinery: 3,033 tons, 7.8 %
- Hull, fittings & equipment: 15,051 tons, 38.5 %
- Fuel, ammunition & stores: 5,534 tons, 14.2 %
- Miscellaneous weights: 205 tons, 0.5 %
- - On freeboard deck: 100 tons
- - Above deck: 105 tons
- Overall survivability and seakeeping ability:
- Survivability (Non-critical penetrating hits needed to sink ship):
- 55,249 lbs / 25,060 Kg = 40.3 x 14.0 " / 356 mm shells or 10.0 torpedoes
- Stability (Unstable if below 1.00): 1.20
- Metacentric height 7.8 ft / 2.4 m
- Roll period: 16.2 seconds
- Steadiness - As gun platform (Average = 50 %): 60 %
- - Recoil effect (Restricted arc if above 1.00): 0.52
- Seaboat quality (Average = 1.00): 1.20
- Hull form characteristics:
- Hull has a flush deck,
- a straight bulbous bow and a round stern
- Block coefficient (normal/deep): 0.492 / 0.502
- Length to Beam Ratio: 7.22 : 1
- 'Natural speed' for length: 27.93 kts
- Power going to wave formation at top speed: 47 %
- Trim (Max stability = 0, Max steadiness = 100): 50
- Bow angle (Positive = bow angles forward): 24.00 degrees
- Stern overhang: 4.00 ft / 1.22 m
- Freeboard (% = length of deck as a percentage of waterline length):
- Fore end, Aft end
- - Forecastle: 17.30 %, 30.00 ft / 9.14 m, 19.00 ft / 5.79 m
- - Forward deck: 31.00 %, 19.00 ft / 5.79 m, 18.00 ft / 5.49 m
- - Aft deck: 34.40 %, 18.00 ft / 5.49 m, 18.00 ft / 5.49 m
- - Quarter deck: 17.30 %, 18.00 ft / 5.49 m, 18.00 ft / 5.49 m
- - Average freeboard: 19.09 ft / 5.82 m
- Ship tends to be wet forward
- Ship space, strength and comments:
- Space - Hull below water (magazines/engines, low = better): 98.5 %
- - Above water (accommodation/working, high = better): 139.4 %
- Waterplane Area: 55,722 Square feet or 5,177 Square metres
- Displacement factor (Displacement / loading): 109 %
- Structure weight / hull surface area: 213 lbs/sq ft or 1,042 Kg/sq metre
- Hull strength (Relative):
- - Cross-sectional: 0.97
- - Longitudinal: 1.30
- - Overall: 1.00
- Adequate machinery, storage, compartmentation space
- Excellent accommodation and workspace room
- Good seaboat, rides out heavy weather easily
- -------
- Belt Taper
- Main Belt Thickness: 12.5"
- Main Belt Height: 8.5ft
- Taper Bottom Thickness: 4"
- Taper Height: 4ft
- Avg Thickness: 11.14"
- Avg Height: 12.5ft
- -------
- Deck Taper
- Mag Length: 212.12ft
- Mag Thickness: 5"
- Machinery Length: 298
- Machinery Thickness: 4.5
- Avg Thicknesds: 4.71
- Deck is split across:
- Weather Deck: 1.45"
- Armor Deck: 3.5" (Class B laminated on STS)
- Splinter Deck (Structural): 0.62" (Note, this is not visible to SS as it's structural steel)
- -------
- Barbette Split
- Height of Armor Deck: 10ft, 10ft, 10ft
- Superfactor: 0,1,0
- Number of guns, 4,4,4
- Barbette Thickness Above: 12.5",12.5",12.5"
- Barbette Thickness Below: 10",10",10"
- Average Thickness: 11.16"
- -------
- Misc Weights:
- x1 Flag Facilities = 100 tons
- x2 Rotating Gunpowder Catapults = 40tons AD
- x1 Heavy Crane = 25 tons AD
- x2 Floatplanes = 40 tons AD
- -------
- Main Guns when set to 50 shells reaches Composite Strength of 1.00. 100 Shells is .97 CS.
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