GB/BB/1913, Great Britain Battleship laid down 1913 Displacement: 32,989 t light; 34,788 t standard; 36,700 t normal; 38,230 t full load Dimensions: Length overall / water x beam x draught 730.00 ft / 730.00 ft x 98.00 ft x 31.00 ft (normal load) 222.50 m / 222.50 m x 29.87 m x 9.45 m Armament: 8 - 15.00" / 381 mm guns (4x2 guns), 1,920.00lbs / 870.90kg shells, 1913 Model Breech loading guns in turrets (on barbettes) on centreline ends, evenly spread 2 - 15.00" / 381 mm guns (1x2 guns), 1,920.00lbs / 870.90kg shells, 1913 Model Breech loading guns in a turret (on a barbette) on centreline amidships 14 - 6.00" / 152 mm guns in single mounts, 108.00lbs / 48.99kg shells, 1913 Model Quick firing guns in casemate mounts on centreline, all amidships 14 guns in hull casemates - Limited use in heavy seas 2 - 4.00" / 102 mm guns in single mounts, 32.00lbs / 14.51kg shells, 1913 Model Anti-aircraft guns in deck mounts on side, evenly spread Weight of broadside 20,776 lbs / 9,424 kg Shells per gun, main battery: 90 4 - 21.0" / 533.4 mm submerged torpedo tubes Armour: - Belts: Width (max) Length (avg) Height (avg) Main: 13.0" / 330 mm 520.00 ft / 158.50 m 16.00 ft / 4.88 m Ends: 6.00" / 152 mm 210.00 ft / 64.01 m 16.00 ft / 4.88 m Main Belt covers 110 % of normal length - Torpedo Bulkhead: 2.00" / 51 mm 520.00 ft / 158.50 m 30.00 ft / 9.14 m - Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max) Main: 13.0" / 330 mm 7.00" / 178 mm 13.0" / 330 mm 2nd: 13.0" / 330 mm 7.00" / 178 mm 13.0" / 330 mm 3rd: 6.00" / 152 mm 6.00" / 152 mm 6.00" / 152 mm - Armour deck: 3.00" / 76 mm, Conning tower: 13.00" / 330 mm Machinery: Oil fired boilers, steam turbines, Direct drive, 4 shafts, 56,047 shp / 41,811 Kw = 23.50 kts Range 4,500nm at 15.00 kts Bunker at max displacement = 3,442 tons Complement: 1,325 - 1,723 Cost: £3.708 million / $14.834 million Distribution of weights at normal displacement: Armament: 2,306 tons, 6.3 % Armour: 13,298 tons, 36.2 % - Belts: 5,313 tons, 14.5 % - Torpedo bulkhead: 1,154 tons, 3.1 % - Armament: 3,673 tons, 10.0 % - Armour Deck: 2,848 tons, 7.8 % - Conning Tower: 309 tons, 0.8 % Machinery: 2,196 tons, 6.0 % Hull, fittings & equipment: 15,188 tons, 41.4 % Fuel, ammunition & stores: 3,711 tons, 10.1 % Miscellaneous weights: 0 tons, 0.0 % Overall survivability and seakeeping ability: Survivability (Non-critical penetrating hits needed to sink ship): 53,580 lbs / 24,303 Kg = 31.8 x 15.0 " / 381 mm shells or 8.3 torpedoes Stability (Unstable if below 1.00): 1.10 Metacentric height 5.9 ft / 1.8 m Roll period: 17.0 seconds Steadiness - As gun platform (Average = 50 %): 73 % - Recoil effect (Restricted arc if above 1.00): 0.96 Seaboat quality (Average = 1.00): 1.46 Hull form characteristics: Hull has rise forward of midbreak Block coefficient: 0.579 Length to Beam Ratio: 7.45 : 1 'Natural speed' for length: 27.02 kts Power going to wave formation at top speed: 41 % 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: 29.00 ft / 8.84 m - Forecastle (20 %): 25.00 ft / 7.62 m - Mid (67 %): 25.00 ft / 7.62 m (17.00 ft / 5.18 m aft of break) - Quarterdeck (15 %): 17.00 ft / 5.18 m - Stern: 17.00 ft / 5.18 m - Average freeboard: 22.68 ft / 6.91 m Ship tends to be wet forward Ship space, strength and comments: Space - Hull below water (magazines/engines, low = better): 86.3 % - Above water (accommodation/working, high = better): 168.1 % Waterplane Area: 51,314 Square feet or 4,767 Square metres Displacement factor (Displacement / loading): 102 % Structure weight / hull surface area: 207 lbs/sq ft or 1,011 Kg/sq metre Hull strength (Relative): - Cross-sectional: 0.97 - Longitudinal: 1.45 - Overall: 1.01 Hull space for machinery, storage, compartmentation is adequate Room for accommodation and workspaces is excellent Ship has slow, easy roll, a good, steady gun platform Good seaboat, rides out heavy weather easily
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Friday, November 11, 2005
My version of the "Queen Victoria" class
I was originally inspired to try my had at photoart by the Queen Victoria Class Battleship page. I like the basic concept for the design: a more heavily armed and protected version of the Queen Elizabeth class that sacrifices some speed to achieve those goals. When we realize that the actual Queen Elizabeth class ships underperformed, so that they only could reach 23.5 to 24 knots, the sacrifice is pretty minimal. This is my version of the design. There are really only minimal differences. I would retain the plow bow, for example:
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