GB/CB/1909, Great Britain Battlecruiser laid down 1909
Displacement:
26,817 t light; 27,945 t standard; 32,366 t normal; 35,903 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(703.00 ft / 695.00 ft) x 94.00 ft x (30.00 / 32.64 ft)
(214.27 m / 211.84 m) x 28.65 m x (9.14 / 9.95 m)
Armament:
6 - 13.50" / 343 mm 45.0 cal guns - 1,240.67lbs / 562.76kg shells, 90 per gun
Breech loading guns in turret on barbette mounts, 1909 Model
3 x Twin mounts on centreline ends, majority forward
1 raised mount - superfiring
12 - 6.00" / 152 mm 45.0 cal guns - 108.93lbs / 49.41kg shells, 150 per gun
Quick firing guns in casemate mounts, 1909 Model
12 x Single mounts on sides, forward deck aft
Weight of broadside 8,751 lbs / 3,969 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 12.0" / 305 mm 455.00 ft / 138.68 m 9.00 ft / 2.74 m
Ends: Unarmoured
Upper: 10.0" / 254 mm 455.00 ft / 138.68 m 8.00 ft / 2.44 m
Main Belt covers 101 % of normal length
- Torpedo Bulkhead - Strengthened structural bulkheads:
2.00" / 51 mm 455.00 ft / 138.68 m 30.00 ft / 9.14 m
Beam between torpedo bulkheads 62.00 ft / 18.90 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 12.0" / 305 mm 9.00" / 229 mm 12.0" / 305 mm
2nd: 4.00" / 102 mm 3.00" / 76 mm 4.00" / 102 mm
- Protected deck - multiple decks:
For and Aft decks: 4.00" / 102 mm
Forecastle: 4.00" / 102 mm Quarter deck: 4.00" / 102 mm
- Conning towers: Forward 12.00" / 305 mm, Aft 9.00" / 229 mm
Machinery:
Oil fired boilers, steam turbines,
Direct drive, 4 shafts, 96,148 shp / 71,727 Kw = 27.50 kts
Range 8,500nm at 16.00 kts
Bunker at max displacement = 7,958 tons
Complement:
1,206 - 1,568
Cost:
£2.307 million / $9.226 million
Distribution of weights at normal displacement:
Armament: 1,501 tons, 4.6 %
- Guns: 1,501 tons, 4.6 %
Armour: 10,858 tons, 33.5 %
- Belts: 3,649 tons, 11.3 %
- Torpedo bulkhead: 1,010 tons, 3.1 %
- Armament: 2,256 tons, 7.0 %
- Armour Deck: 3,484 tons, 10.8 %
- Conning Towers: 459 tons, 1.4 %
Machinery: 4,370 tons, 13.5 %
Hull, fittings & equipment: 10,087 tons, 31.2 %
Fuel, ammunition & stores: 5,549 tons, 17.1 %
Miscellaneous weights: 0 tons, 0.0 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
57,968 lbs / 26,294 Kg = 47.1 x 13.5 " / 343 mm shells or 8.7 torpedoes
Stability (Unstable if below 1.00): 1.19
Metacentric height 6.3 ft / 1.9 m
Roll period: 15.7 seconds
Steadiness - As gun platform (Average = 50 %): 75 %
- Recoil effect (Restricted arc if above 1.00): 0.61
Seaboat quality (Average = 1.00): 1.50
Hull form characteristics:
Hull has low quarterdeck ,
a ram bow and a cruiser stern
Block coefficient (normal/deep): 0.578 / 0.589
Length to Beam Ratio: 7.39 : 1
'Natural speed' for length: 26.36 kts
Power going to wave formation at top speed: 51 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): -2.00 degrees
Stern overhang: -2.00 ft / -0.61 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 28.00 %, 30.00 ft / 9.14 m, 28.00 ft / 8.53 m
- Forward deck: 30.00 %, 28.00 ft / 8.53 m, 28.00 ft / 8.53 m
- Aft deck: 9.00 %, 28.00 ft / 8.53 m, 28.00 ft / 8.53 m
- Quarter deck: 33.00 %, 20.00 ft / 6.10 m, 20.00 ft / 6.10 m
- Average freeboard: 25.58 ft / 7.80 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 99.7 %
- Above water (accommodation/working, high = better): 207.0 %
Waterplane Area: 46,807 Square feet or 4,349 Square metres
Displacement factor (Displacement / loading): 121 %
Structure weight / hull surface area: 168 lbs/sq ft or 822 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.95
- Longitudinal: 1.63
- Overall: 1.00
Adequate machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily
No comments:
Post a Comment