Ideal Battleship, Great Britain Enter ship type laid down 1904 Displacement: 25,462 t light; 26,497 t standard; 28,450 t normal; 30,013 t full load Dimensions: Length overall / water x beam x draught 544.00 ft / 542.00 ft x 96.00 ft x 30.00 ft (normal load) 165.81 m / 165.20 m x 29.26 m x 9.14 m Armament: 4 - 12.00" / 305 mm guns (2x2 guns), 864.00lbs / 391.90kg shells, 1904 Model Breech loading guns in turrets (on barbettes) on centreline ends, evenly spread, all raised mounts 4 - 12.00" / 305 mm guns in single mounts, 864.00lbs / 391.90kg shells, 1904 Model Breech loading guns in turrets (on barbettes) on side, evenly spread, all raised mounts 4 - 12.00" / 305 mm guns (2x2 guns), 864.00lbs / 391.90kg shells, 1904 Model Breech loading guns in turrets (on barbettes) on side, all amidships, all raised mounts - superfiring 12 - 3.00" / 76.2 mm guns in single mounts, 13.50lbs / 6.12kg shells, 1904 Model Quick firing guns in casemate mounts on side, evenly spread 12 guns in hull casemates - Limited use in heavy seas 6 - 1.85" / 47.0 mm guns in single mounts, 3.17lbs / 1.44kg shells, 1904 Model Breech loading guns in deck mounts on side, evenly spread, all raised mounts Weight of broadside 10,549 lbs / 4,785 kg Shells per gun, main battery: 75 Armour: - Belts: Width (max) Length (avg) Height (avg) Main: 9.00" / 229 mm 380.00 ft / 115.82 m 8.00 ft / 2.44 m Ends: 6.00" / 152 mm 141.50 ft / 43.13 m 8.00 ft / 2.44 m 20.50 ft / 6.25 m Unarmoured ends Upper: 5.00" / 127 mm 280.00 ft / 85.34 m 8.00 ft / 2.44 m Main Belt covers 108 % of normal length Main belt does not fully cover magazines and engineering spaces - Torpedo Bulkhead: 1.00" / 25 mm 380.00 ft / 115.82 m 24.00 ft / 7.32 m - Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max) Main: 9.00" / 229 mm 6.00" / 152 mm 9.00" / 229 mm 2nd: 9.00" / 229 mm 6.00" / 152 mm 9.00" / 229 mm 3rd: 9.00" / 229 mm 6.00" / 152 mm 9.00" / 229 mm 4th: 2.00" / 51 mm - - - Armour deck: 2.00" / 51 mm, Conning tower: 7.00" / 178 mm Machinery: Coal fired boilers, steam turbines, Direct drive, 4 shafts, 60,214 shp / 44,920 Kw = 24.00 kts Range 4,000nm at 12.00 kts Bunker at max displacement = 3,516 tons (100% coal) Complement: 1,094 - 1,423 Cost: £2.842 million / $11.367 million Distribution of weights at normal displacement: Armament: 1,319 tons, 4.6 % Armour: 6,930 tons, 24.4 % - Belts: 1,976 tons, 6.9 % - Torpedo bulkhead: 337 tons, 1.2 % - Armament: 3,017 tons, 10.6 % - Armour Deck: 1,458 tons, 5.1 % - Conning Tower: 141 tons, 0.5 % Machinery: 6,021 tons, 21.2 % Hull, fittings & equipment: 11,192 tons, 39.3 % Fuel, ammunition & stores: 2,988 tons, 10.5 % Miscellaneous weights: 0 tons, 0.0 % Overall survivability and seakeeping ability: Survivability (Non-critical penetrating hits needed to sink ship): 26,264 lbs / 11,913 Kg = 30.4 x 12.0 " / 305 mm shells or 3.4 torpedoes Stability (Unstable if below 1.00): 1.01 Metacentric height 4.8 ft / 1.4 m Roll period: 18.5 seconds Steadiness - As gun platform (Average = 50 %): 54 % - Recoil effect (Restricted arc if above 1.00): 0.78 Seaboat quality (Average = 1.00): 1.08 Hull form characteristics: Hull has rise forward of midbreak Block coefficient: 0.638 Length to Beam Ratio: 5.65 : 1 'Natural speed' for length: 23.28 kts Power going to wave formation at top speed: 56 % 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 %): 26.00 ft / 7.92 m - Mid (67 %): 26.00 ft / 7.92 m (18.00 ft / 5.49 m aft of break) - Quarterdeck (18 %): 18.00 ft / 5.49 m - Stern: 18.00 ft / 5.49 m - Average freeboard: 23.36 ft / 7.12 m Ship space, strength and comments: Space - Hull below water (magazines/engines, low = better): 130.1 % - Above water (accommodation/working, high = better): 165.2 % Waterplane Area: 39,419 Square feet or 3,662 Square metres Displacement factor (Displacement / loading): 96 % Structure weight / hull surface area: 200 lbs/sq ft or 975 Kg/sq metre Hull strength (Relative): - Cross-sectional: 0.93 - Longitudinal: 1.96 - Overall: 1.00 Hull space for machinery, storage, compartmentation is cramped Room for accommodation and workspaces is excellent
This is a forum for discussion of topics relating to the Dreadnought era, prior to the ascendency of naval aviation. We will be discussing history, ship design, and naval wargaming.
Tuesday, May 24, 2005
My latest attempt at Colonel Cuniberti's battleship is a failure
I thought that employing some of the methods that I saw in The Red Admiral's X4 design would help Colonel Cuniberti's Ideal Battleship work in Springsharp, but I failed miserably. My design is too large for what was reasonable:
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