GB/CB/1912 Super Lion (long), Great Britain Battlecruiser laid down 1912
Displacement:
30,659 t light; 33,045 t standard; 36,376 t normal; 39,041 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(821.00 ft / 814.00 ft) x 95.00 ft x (28.00 / 29.67 ft)
(250.24 m / 248.11 m) x 28.96 m x (8.53 / 9.04 m)
Armament:
10 - 15.00" / 381 mm 42.0 cal guns - 1,950.00lbs / 884.51kg shells, 150 per gun
Breech loading guns in turret on barbette mounts, 1912 Model
4 x Single mounts on centreline ends, evenly spread
2 raised mounts - superfiring
1 x Twin mount on centreline, aft deck forward
12 - 4.00" / 102 mm 50.0 cal guns - 33.88lbs / 15.37kg shells, 150 per gun
Quick firing guns in deck and hoist mounts, 1912 Model
6 x Twin mounts on sides, forward deck aft
Weight of broadside 19,907 lbs / 9,029 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 6.00" / 152 mm 530.00 ft / 161.54 m 9.00 ft / 2.74 m
Ends: 4.00" / 102 mm 220.00 ft / 67.06 m 9.00 ft / 2.74 m
64.00 ft / 19.51 m Unarmoured ends
Main Belt covers 100 % of normal length
Main belt does not fully cover magazines and engineering spaces
- Torpedo Bulkhead:
1.50" / 38 mm 530.00 ft / 161.54 m 28.00 ft / 8.53 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 8.00" / 203 mm 5.00" / 127 mm 8.00" / 203 mm
- Protected deck - multiple decks: 3.00" / 76 mm For and Aft decks
Forecastle: 3.00" / 76 mm Quarter deck: 3.00" / 76 mm
- Conning towers: Forward 8.00" / 203 mm, Aft 0.00" / 0 mm
Machinery:
Oil fired boilers, steam turbines,
Direct drive, 4 shafts, 136,470 shp / 101,807 Kw = 30.00 kts
Range 6,700nm at 16.00 kts
Bunker at max displacement = 5,995 tons
Complement:
1,316 - 1,712
Cost:
£3.302 million / $13.210 million
Distribution of weights at normal displacement:
Armament: 3,085 tons, 8.5 %
Armour: 7,796 tons, 21.4 %
- Belts: 1,494 tons, 4.1 %
- Torpedo bulkhead: 824 tons, 2.3 %
- Armament: 2,164 tons, 5.9 %
- Armour Deck: 3,125 tons, 8.6 %
- Conning Tower: 189 tons, 0.5 %
Machinery: 5,441 tons, 15.0 %
Hull, fittings & equipment: 14,337 tons, 39.4 %
Fuel, ammunition & stores: 5,717 tons, 15.7 %
Miscellaneous weights: 0 tons, 0.0 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
45,700 lbs / 20,729 Kg = 27.1 x 15.0 " / 381 mm shells or 5.7 torpedoes
Stability (Unstable if below 1.00): 1.20
Metacentric height 6.5 ft / 2.0 m
Roll period: 15.7 seconds
Steadiness - As gun platform (Average = 50 %): 56 %
- Recoil effect (Restricted arc if above 1.00): 0.95
Seaboat quality (Average = 1.00): 1.19
Hull form characteristics:
Hull has rise forward of midbreak,
a ram bow and a cruiser stern
Block coefficient (normal/deep): 0.588 / 0.596
Length to Beam Ratio: 8.57 : 1
'Natural speed' for length: 28.53 kts
Power going to wave formation at top speed: 49 %
Trim (Max stability = 0, Max steadiness = 100): 47
Bow angle (Positive = bow angles forward): -2.00 degrees
Stern overhang: -3.00 ft / -0.91 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 36.00 %, 28.00 ft / 8.53 m, 25.00 ft / 7.62 m
- Forward deck: 36.00 %, 25.00 ft / 7.62 m, 25.00 ft / 7.62 m
- Aft deck: 13.00 %, 17.00 ft / 5.18 m, 17.00 ft / 5.18 m
- Quarter deck: 15.00 %, 17.00 ft / 5.18 m, 17.00 ft / 5.18 m
- Average freeboard: 23.19 ft / 7.07 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 110.7 %
- Above water (accommodation/working, high = better): 185.2 %
Waterplane Area: 55,926 Square feet or 5,196 Square metres
Displacement factor (Displacement / loading): 111 %
Structure weight / hull surface area: 197 lbs/sq ft or 964 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.99
- Longitudinal: 1.11
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
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Sunday, August 12, 2007
The long version of my Super Lion design from yesterday
In my specification for the Super Lion version that I designed yesterday, there was an alternate set of dimensions for a longer and narrower version: 814ft x 95ft x 28ft. I already knew, last night, that I wanted to try that version today:
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