GB/CB/1915 Super Lion, Great Britain Battlecruiser laid down 1915 (Engine 1919) Displacement: 42,088 t light; 44,118 t standard; 47,086 t normal; 49,460 t full load Dimensions: Length (overall / waterline) x beam x draught (normal/deep) (860.06 ft / 855.00 ft) x 105.00 ft x (29.00 / 30.23 ft) (262.15 m / 260.60 m) x 32.00 m x (8.84 / 9.21 m) Armament: 10 - 15.00" / 381 mm 42.0 cal guns - 1,950.00lbs / 884.51kg shells, 90 per gun Breech loading guns in turret on barbette mounts, 1915 Model 4 x Twin mounts on centreline ends, evenly spread 2 raised mounts - superfiring 1 x Twin mount on centreline, aft deck forward 16 - 5.50" / 140 mm 50.0 cal guns - 85.00lbs / 38.56kg shells, 150 per gun Quick firing guns in deck and hoist mount, 1915 Model 1 x Single mount on sides amidships 4 raised mounts Weight of broadside 20,860 lbs / 9,462 kg Armour: - Belts: Width (max) Length (avg) Height (avg) Main: 8.00" / 203 mm 535.00 ft / 163.07 m 9.00 ft / 2.74 m Ends: 4.00" / 102 mm 320.00 ft / 97.54 m 12.00 ft / 3.66 m Upper: 5.00" / 127 mm 535.00 ft / 163.07 m 9.00 ft / 2.74 m Main Belt covers 96 % of normal length Main belt does not fully cover magazines and engineering spaces - Torpedo Bulkhead: 2.00" / 51 mm 535.00 ft / 163.07 m 29.00 ft / 8.84 m - Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max) Main: 10.0" / 254 mm 7.00" / 178 mm 10.0" / 254 mm 2nd: 5.00" / 127 mm 3.00" / 76 mm 5.00" / 127 mm - Armoured 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 10.00" / 254 mm, Aft 0.00" / 0 mm Machinery: Oil fired boilers, steam turbines, Geared drive, 4 shafts, 235,775 shp / 175,888 Kw = 33.00 kts Range 6,500nm at 16.00 kts Bunker at max displacement = 5,341 tons Complement: 1,597 - 2,077 Cost: £6.135 million / $24.539 million Distribution of weights at normal displacement: Armament: 2,953 tons, 6.3 % Armour: 11,629 tons, 24.7 % - Belts: 3,234 tons, 6.9 % - Torpedo bulkhead: 1,148 tons, 2.4 % - Armament: 3,181 tons, 6.8 % - Armour Deck: 3,785 tons, 8.0 % - Conning Tower: 281 tons, 0.6 % Machinery: 8,373 tons, 17.8 % Hull, fittings & equipment: 19,133 tons, 40.6 % Fuel, ammunition & stores: 4,998 tons, 10.6 % Miscellaneous weights: 0 tons, 0.0 % Overall survivability and seakeeping ability: Survivability (Non-critical penetrating hits needed to sink ship): 61,615 lbs / 27,948 Kg = 36.5 x 15.0 " / 381 mm shells or 7.5 torpedoes Stability (Unstable if below 1.00): 1.15 Metacentric height 7.0 ft / 2.1 m Roll period: 16.6 seconds Steadiness - As gun platform (Average = 50 %): 53 % - Recoil effect (Restricted arc if above 1.00): 0.89 Seaboat quality (Average = 1.00): 1.06 Hull form characteristics: Hull has rise forward of midbreak, a normal bow and a cruiser stern Block coefficient (normal/deep): 0.633 / 0.638 Length to Beam Ratio: 8.14 : 1 'Natural speed' for length: 29.24 kts Power going to wave formation at top speed: 55 % Trim (Max stability = 0, Max steadiness = 100): 50 Bow angle (Positive = bow angles forward): 8.00 degrees Stern overhang: -2.00 ft / -0.61 m Freeboard (% = length of deck as a percentage of waterline length): Fore end, Aft end - Forecastle: 30.00 %, 36.00 ft / 10.97 m, 30.00 ft / 9.14 m - Forward deck: 42.00 %, 30.00 ft / 9.14 m, 30.00 ft / 9.14 m - Aft deck: 13.00 %, 22.00 ft / 6.71 m, 22.00 ft / 6.71 m - Quarter deck: 15.00 %, 22.00 ft / 6.71 m, 22.00 ft / 6.71 m - Average freeboard: 28.48 ft / 8.68 m Ship space, strength and comments: Space - Hull below water (magazines/engines, low = better): 109.2 % - Above water (accommodation/working, high = better): 227.0 % Waterplane Area: 67,705 Square feet or 6,290 Square metres Displacement factor (Displacement / loading): 109 % Structure weight / hull surface area: 210 lbs/sq ft or 1,026 Kg/sq metre Hull strength (Relative): - Cross-sectional: 0.98 - Longitudinal: 1.24 - Overall: 1.00 Hull space for machinery, storage, compartmentation is adequate Room for accommodation and workspaces is excellent
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Monday, August 13, 2007
A Hood-like Super Lion
If we were building Super Lion battlecruiser, then our emergency war program for 1915 should include such a ship, albeit one that is Hood-like. I wanted 10-15in/42, 16-5.5in QF, an 8 inch belt, and 33 knots of speed. This is such a ship:
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