GB/CB/1916 Fast, Great Britain Battlecruiser laid down 1916 (Engine 1923)
Displacement:
42,316 t light; 43,995 t standard; 45,802 t normal; 47,248 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(885.86 ft / 878.00 ft) x 104.00 ft x (33.00 / 33.81 ft)
(270.01 m / 267.61 m) x 31.70 m x (10.06 / 10.30 m)
Armament:
6 - 16.50" / 419 mm 45.0 cal guns - 2,265.21lbs / 1,027.48kg shells, 90 per gun
Breech loading guns in turret on barbette mounts, 1916 Model
2 x Triple mounts on centreline, forward deck forward
1 raised mount - superfiring
10 - 6.00" / 152 mm 45.0 cal guns - 100.00lbs / 45.36kg shells, 150 per gun
Quick firing guns in deck and hoist mounts, 1916 Model
10 x Single mounts on sides, forward deck aft
2 raised mounts - superfiring
Weight of broadside 14,591 lbs / 6,618 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 6.00" / 152 mm 480.00 ft / 146.30 m 12.00 ft / 3.66 m
Ends: Unarmoured
Main Belt covers 84 % of normal length
Main belt does not fully cover magazines and engineering spaces
Main Belt inclined -12.00 degrees (positive = in)
- Torpedo Bulkhead - Additional damage containing bulkheads:
2.00" / 51 mm 480.00 ft / 146.30 m 33.00 ft / 10.06 m
Beam between torpedo bulkheads 74.00 ft / 22.56 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 8.00" / 203 mm 6.00" / 152 mm 8.00" / 203 mm
2nd: 4.00" / 102 mm 3.00" / 76 mm 4.00" / 102 mm
- Armoured deck - multiple decks:
For and Aft decks: 2.00" / 51 mm
Forecastle: 2.00" / 51 mm Quarter deck: 2.00" / 51 mm
- Conning towers: Forward 8.00" / 203 mm, Aft 6.00" / 152 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 6 shafts, 383,549 shp / 286,127 Kw = 38.00 kts
Range 4,800nm at 15.00 kts
Bunker at max displacement = 3,253 tons
Complement:
1,565 - 2,035
Cost:
£7.601 million / $30.406 million
Distribution of weights at normal displacement:
Armament: 2,467 tons, 5.4 %
- Guns: 2,467 tons, 5.4 %
Armour: 7,463 tons, 16.3 %
- Belts: 1,495 tons, 3.3 %
- Torpedo bulkhead: 1,172 tons, 2.6 %
- Armament: 2,075 tons, 4.5 %
- Armour Deck: 2,334 tons, 5.1 %
- Conning Towers: 386 tons, 0.8 %
Machinery: 12,819 tons, 28.0 %
Hull, fittings & equipment: 19,567 tons, 42.7 %
Fuel, ammunition & stores: 3,486 tons, 7.6 %
Miscellaneous weights: 0 tons, 0.0 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
41,045 lbs / 18,618 Kg = 18.3 x 16.5 " / 419 mm shells or 4.4 torpedoes
Stability (Unstable if below 1.00): 1.16
Metacentric height 7.0 ft / 2.1 m
Roll period: 16.5 seconds
Steadiness - As gun platform (Average = 50 %): 51 %
- Recoil effect (Restricted arc if above 1.00): 0.75
Seaboat quality (Average = 1.00): 1.02
Hull form characteristics:
Hull has low quarterdeck ,
an extended bulbous bow and a cruiser stern
Block coefficient (normal/deep): 0.532 / 0.536
Length to Beam Ratio: 8.44 : 1
'Natural speed' for length: 29.63 kts
Power going to wave formation at top speed: 59 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 12.00 degrees
Stern overhang: -2.00 ft / -0.61 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 37.00 ft / 11.28 m, 34.00 ft / 10.36 m
- Forward deck: 30.00 %, 34.00 ft / 10.36 m, 33.00 ft / 10.06 m
- Aft deck: 22.00 %, 33.00 ft / 10.06 m, 33.00 ft / 10.06 m
- Quarter deck: 28.00 %, 25.00 ft / 7.62 m, 25.00 ft / 7.62 m
- Average freeboard: 31.35 ft / 9.56 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 165.1 %
- Above water (accommodation/working, high = better): 253.9 %
Waterplane Area: 62,662 Square feet or 5,822 Square metres
Displacement factor (Displacement / loading): 99 %
Structure weight / hull surface area: 212 lbs/sq ft or 1,035 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.95
- Longitudinal: 1.64
- Overall: 1.00
Cramped machinery, storage, compartmentation space
Excellent accommodation and workspace room
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