GB/CB/1916, Great Britain Battlecruiser laid down 1916 (Engine 1923)
Displacement:
41,938 t light; 43,640 t standard; 46,358 t normal; 48,533 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(871.35 ft / 865.00 ft) x 106.00 ft x (32.00 / 33.19 ft)
(265.59 m / 263.65 m) x 32.31 m x (9.75 / 10.12 m)
Armament:
6 - 16.50" / 419 mm 45.0 cal guns - 2,265.01lbs / 1,027.39kg shells, 90 per gun
Breech loading guns in turret on barbette mounts, 1916 Model
2 x Triple mounts on centreline, forward deck forward
10 - 6.00" / 152 mm 50.0 cal guns - 114.33lbs / 51.86kg 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 14,733 lbs / 6,683 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 9.00" / 229 mm 565.00 ft / 172.21 m 9.00 ft / 2.74 m
Ends: Unarmoured
Upper: 7.00" / 178 mm 565.00 ft / 172.21 m 8.00 ft / 2.44 m
Main Belt covers 100 % of normal length
Main belt does not fully cover magazines and engineering spaces
- Torpedo Bulkhead - Additional damage containing bulkheads:
2.00" / 51 mm 565.00 ft / 172.21 m 32.00 ft / 9.75 m
Beam between torpedo bulkheads 68.00 ft / 20.73 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 9.00" / 229 mm 7.00" / 178 mm 9.00" / 229 mm
2nd: 5.00" / 127 mm 4.00" / 102 mm 5.00" / 127 mm
- Armoured deck - multiple decks:
For and Aft decks: 3.00" / 76 mm
Forecastle: 3.00" / 76 mm Quarter deck: 3.00" / 76 mm
- Conning towers: Forward 9.00" / 229 mm, Aft 7.00" / 178 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 6 shafts, 317,040 shp / 236,512 Kw = 36.00 kts
Range 6,500nm at 16.00 kts
Bunker at max displacement = 4,893 tons
Complement:
1,579 - 2,053
Cost:
£7.099 million / $28.394 million
Distribution of weights at normal displacement:
Armament: 2,515 tons, 5.4 %
- Guns: 2,515 tons, 5.4 %
Armour: 10,695 tons, 23.1 %
- Belts: 3,255 tons, 7.0 %
- Torpedo bulkhead: 1,338 tons, 2.9 %
- Armament: 2,073 tons, 4.5 %
- Armour Deck: 3,584 tons, 7.7 %
- Conning Towers: 445 tons, 1.0 %
Machinery: 10,596 tons, 22.9 %
Hull, fittings & equipment: 18,131 tons, 39.1 %
Fuel, ammunition & stores: 4,420 tons, 9.5 %
Miscellaneous weights: 0 tons, 0.0 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
55,474 lbs / 25,163 Kg = 24.7 x 16.5 " / 419 mm shells or 6.3 torpedoes
Stability (Unstable if below 1.00): 1.24
Metacentric height 8.0 ft / 2.5 m
Roll period: 15.7 seconds
Steadiness - As gun platform (Average = 50 %): 53 %
- Recoil effect (Restricted arc if above 1.00): 0.54
Seaboat quality (Average = 1.00): 1.05
Hull form characteristics:
Hull has low quarterdeck ,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.553 / 0.558
Length to Beam Ratio: 8.16 : 1
'Natural speed' for length: 29.41 kts
Power going to wave formation at top speed: 58 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 36.00 ft / 10.97 m, 31.00 ft / 9.45 m
- Forward deck: 30.00 %, 31.00 ft / 9.45 m, 30.00 ft / 9.14 m
- Aft deck: 17.00 %, 30.00 ft / 9.14 m, 30.00 ft / 9.14 m
- Quarter deck: 33.00 %, 23.00 ft / 7.01 m, 23.00 ft / 7.01 m
- Average freeboard: 28.44 ft / 8.67 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 157.6 %
- Above water (accommodation/working, high = better): 234.7 %
Waterplane Area: 64,170 Square feet or 5,962 Square metres
Displacement factor (Displacement / loading): 103 %
Structure weight / hull surface area: 202 lbs/sq ft or 984 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.96
- Longitudinal: 1.41
- Overall: 1.00
Cramped machinery, storage, compartmentation space
Excellent accommodation and workspace room
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