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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