Lion, Great Britain Battlecruiser laid down 1912 Displacement: 24,988 t light; 26,092 t standard; 29,000 t normal; 31,326 t full load Dimensions: Length overall / water x beam x draught 700.91 ft / 700.00 ft x 88.00 ft x 27.00 ft (normal load) 213.64 m / 213.36 m x 26.82 m x 8.23 m Armament: 8 - 13.50" / 343 mm guns (3 mounts), 1,230.19lbs / 558.00kg shells, 1912 Model Breech loading guns in turrets (on barbettes) on centreline ends, majority forward, 1 raised mount - superfiring 16 - 4.00" / 102 mm guns (8x2 guns), 32.00lbs / 14.51kg shells, 1912 Model Quick firing guns in deck mounts with hoists on side, evenly spread, all raised mounts Weight of broadside 10,354 lbs / 4,696 kg Shells per gun, main battery: 90 Armour: - Belts: Width (max) Length (avg) Height (avg) Main: 9.00" / 229 mm 440.00 ft / 134.11 m 16.00 ft / 4.88 m Ends: 5.00" / 127 mm 260.00 ft / 79.25 m 12.00 ft / 3.66 m Main Belt covers 97 % of normal length Main belt does not fully cover magazines and engineering spaces - Torpedo Bulkhead: 2.00" / 51 mm 440.00 ft / 134.11 m 27.00 ft / 8.23 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: 4.00" / 102 mm 3.00" / 76 mm 4.00" / 102 mm - Armour deck: 3.00" / 76 mm, Conning tower: 9.00" / 229 mm Machinery: Coal fired boilers, steam turbines, Direct drive, 4 shafts, 96,871 shp / 72,266 Kw = 28.00 kts Range 5,600nm at 15.00 kts Bunker at max displacement = 5,234 tons (100% coal) Complement: 1,110 - 1,444 Cost: £2.557 million / $10.226 million Distribution of weights at normal displacement: Armament: 1,294 tons, 4.5 % Armour: 8,775 tons, 30.3 % - Belts: 3,304 tons, 11.4 % - Torpedo bulkhead: 879 tons, 3.0 % - Armament: 1,885 tons, 6.5 % - Armour Deck: 2,525 tons, 8.7 % - Conning Tower: 183 tons, 0.6 % Machinery: 4,249 tons, 14.7 % Hull, fittings & equipment: 10,670 tons, 36.8 % Fuel, ammunition & stores: 4,012 tons, 13.8 % Miscellaneous weights: 0 tons, 0.0 % Overall survivability and seakeeping ability: Survivability (Non-critical penetrating hits needed to sink ship): 36,077 lbs / 16,364 Kg = 29.3 x 13.5 " / 343 mm shells or 5.1 torpedoes Stability (Unstable if below 1.00): 1.19 Metacentric height 5.7 ft / 1.7 m Roll period: 15.5 seconds Steadiness - As gun platform (Average = 50 %): 52 % - Recoil effect (Restricted arc if above 1.00): 0.55 Seaboat quality (Average = 1.00): 1.04 Hull form characteristics: Hull has a flush deck Block coefficient: 0.610 Length to Beam Ratio: 7.95 : 1 'Natural speed' for length: 26.46 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 (% = measuring location as a percentage of overall length): - Stem: 26.00 ft / 7.92 m - Forecastle (20 %): 19.00 ft / 5.79 m - Mid (50 %): 19.00 ft / 5.79 m - Quarterdeck (15 %): 19.00 ft / 5.79 m - Stern: 19.00 ft / 5.79 m - Average freeboard: 19.56 ft / 5.96 m Ship tends to be wet forward Ship space, strength and comments: Space - Hull below water (magazines/engines, low = better): 105.1 % - Above water (accommodation/working, high = better): 148.3 % Waterplane Area: 45,487 Square feet or 4,226 Square metres Displacement factor (Displacement / loading): 105 % Structure weight / hull surface area: 168 lbs/sq ft or 818 Kg/sq metre Hull strength (Relative): - Cross-sectional: 1.00 - Longitudinal: 1.04 - Overall: 1.00 Hull space for machinery, storage, compartmentation is adequate Room for accommodation and workspaces is excellent
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Tuesday, January 16, 2007
My anachronistic Lion design
Another anachronistic design from 1988 had the battlecruiser Lion with a flush deck, a raked bow, and a Renown look. There were twin funnels and pole masts with tripod legs. The secondary armament 8 twin 4in QF mounts. This is the Springsharp report:
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