Jap/CB/1927, Enter country Enter ship type laid down 1927 Displacement: 35,341 t light; 37,056 t standard; 40,778 t normal; 43,756 t full load Dimensions: Length overall / water x beam x draught 815.56 ft / 814.00 ft x 101.00 ft x 31.00 ft (normal load) 248.58 m / 248.11 m x 30.78 m x 9.45 m Armament: 8 - 14.00" / 356 mm guns (4x2 guns), 1,372.00lbs / 622.33kg shells, 1927 Model Breech loading guns in turrets (on barbettes) on centreline ends, evenly spread, all raised mounts - superfiring 16 - 5.50" / 140 mm guns (8x2 guns), 83.19lbs / 37.73kg shells, 1927 Model Breech loading guns in deck mounts with hoists on side, evenly spread, 7 raised mounts 12 - 5.00" / 127 mm guns (6x2 guns), 62.50lbs / 28.35kg shells, 1927 Model Dual purpose guns in deck mounts with hoists on side ends, evenly spread, all raised mounts - superfiring 45 - 0.98" / 25.0 mm guns (15x3 guns), 0.48lbs / 0.22kg shells, 1927 Model Anti-aircraft guns in deck mounts on side ends, majority aft, all raised mounts - superfiring Weight of broadside 13,078 lbs / 5,932 kg Shells per gun, main battery: 120 Armour: - Belts: Width (max) Length (avg) Height (avg) Main: 9.00" / 229 mm 560.00 ft / 170.69 m 17.00 ft / 5.18 m Ends: Unarmoured Main Belt covers 106 % of normal length - Torpedo Bulkhead: 2.00" / 51 mm 560.00 ft / 170.69 m 27.00 ft / 8.23 m - Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max) Main: 10.0" / 254 mm 7.00" / 178 mm 9.00" / 229 mm 2nd: 2.00" / 51 mm 2.00" / 51 mm 2.00" / 51 mm - Armour deck: 4.00" / 102 mm, Conning tower: 7.00" / 178 mm Machinery: Oil fired boilers, steam turbines, Geared drive, 4 shafts, 165,366 shp / 123,363 Kw = 31.00 kts Range 12,000nm at 15.00 kts Bunker at max displacement = 6,700 tons Complement: 1,434 - 1,865 Cost: £12.149 million / $48.596 million Distribution of weights at normal displacement: Armament: 1,635 tons, 4.0 % Armour: 11,850 tons, 29.1 % - Belts: 3,612 tons, 8.9 % - Torpedo bulkhead: 1,119 tons, 2.7 % - Armament: 2,655 tons, 6.5 % - Armour Deck: 4,286 tons, 10.5 % - Conning Tower: 179 tons, 0.4 % Machinery: 5,220 tons, 12.8 % Hull, fittings & equipment: 16,636 tons, 40.8 % Fuel, ammunition & stores: 5,438 tons, 13.3 % Miscellaneous weights: 0 tons, 0.0 % Overall survivability and seakeeping ability: Survivability (Non-critical penetrating hits needed to sink ship): 60,938 lbs / 27,641 Kg = 44.4 x 14.0 " / 356 mm shells or 8.7 torpedoes Stability (Unstable if below 1.00): 1.07 Metacentric height 5.8 ft / 1.8 m Roll period: 17.6 seconds Steadiness - As gun platform (Average = 50 %): 64 % - Recoil effect (Restricted arc if above 1.00): 0.84 Seaboat quality (Average = 1.00): 1.27 Hull form characteristics: Hull has rise forward of midbreak Block coefficient: 0.560 Length to Beam Ratio: 8.06 : 1 'Natural speed' for length: 28.53 kts Power going to wave formation at top speed: 51 % Trim (Max stability = 0, Max steadiness = 100): 50 Bow angle (Positive = bow angles forward): 1.00 degrees Stern overhang: 1.00 ft / 0.30 m Freeboard (% = measuring location as a percentage of overall length): - Stem: 32.00 ft / 9.75 m - Forecastle (20 %): 30.00 ft / 9.14 m - Mid (65 %): 30.00 ft / 9.14 m (21.00 ft / 6.40 m aft of break) - Quarterdeck (15 %): 21.00 ft / 6.40 m - Stern: 21.00 ft / 6.40 m - Average freeboard: 27.01 ft / 8.23 m Ship space, strength and comments: Space - Hull below water (magazines/engines, low = better): 90.6 % - Above water (accommodation/working, high = better): 209.5 % Waterplane Area: 57,917 Square feet or 5,381 Square metres Displacement factor (Displacement / loading): 115 % Structure weight / hull surface area: 195 lbs/sq ft or 953 Kg/sq metre Hull strength (Relative): - Cross-sectional: 0.96 - Longitudinal: 1.35 - Overall: 1.00 Hull space for machinery, storage, compartmentation is adequate Room for accommodation and workspaces is excellent Good seaboat, rides out heavy weather easily
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Friday, January 28, 2005
My attempt at a new Kongo-type battlecruiser
I just tried a new Kongo-type battlecruiser, and it worked out pretty well. It is not like the Kongo in the sense that I used the all-or-nothing armoring scheme, but I did attempt to use a raised forecastle and have 4 calibers of guns. The armor basis is somewhat greater, but I retained the 31 knots speed, although the ship is larger. I also wanted long range: 12,000nm for Pacific operations.
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