Yamato, laid down 1938 Length, 263.0 m x Beam, 37.0 m x Depth, 10.4 m 65608 tonnes normal displacement (62970 tonnes standard) Main battery: 9 x 45.7-cm (3 x 3; 1 superfiring) Secondary battery: 12 x 15.5-cm (4 x 3) AA battery: 12 x 12.7-cm Weight of broadside: 12874 kg Main belt, 41.0 cm; ends unarmored Torpedo bulkhead, 13.0 cm Armor deck, average 20.0 cm Conning tower, 50.0 cm Battery armor: Main, 65.0 cm / secondary, 5.1 cm Maximum speed for 99576 shaft kw = 27.00 knots Approximate cruising radius, 6000 nm / 16 knots Typical complement: 2050-2665 Remarks: Relative extent of belt armor, 73 percent of 'typical' coverage. Magazines and engineering spaces are roomy, with superior watertight subdivision. Ship is roomy, with superior accommodation and working space. Distribution of weights: Percent normal displacement: Armament ......................... 3540 tonnes = 5 pct Armor, total ..................... 27254 tonnes = 42 pct Belt 3696 tonnes = 6 pct Torpedo bulkhead 3622 tonnes = 6 pct Deck 11344 tonnes = 17 pct C.T. 694 tonnes = 1 pct Armament 7898 tonnes = 12 pct Machinery ........................ 3654 tonnes = 6 pct Hull and fittings; equipment ..... 24799 tonnes = 38 pct Fuel, ammunition, stores ......... 6310 tonnes = 10 pct Miscellaneous weights ............ 50 tonnes = 0 pct ----- 65608 tonnes = 100 pct Estimated metacentric height, 2.5 m Displacement summary: Light ship: 59297 tonnes Standard displacement: 62970 tonnes Normal service: 65608 tonnes Full load: 67456 tonnes Loading submergence 7298 tonnes/metre +++++++++++++++++++++++++ Estimated overall survivability and seakeeping ability: Relative margin of stability: 1.10 Shellfire needed to sink: 36950 kg = 27.9 x 45.7-cm shells (Approximates weight of penetrating shell hits needed to sink ship, not counting critical hits) Torpedoes needed to sink: 14.9 (Approximates number of 'typical' torpedo hits needed to sink ship) Relative steadiness as gun platform, 56 percent (50 percent is 'average') Relative rocking effect from firing to beam, 0.49 Relative quality as a seaboat: 1.13 +++++++++++++++++++++++++ Hull form characteristics: Block coefficient: 0.64 Sharpness coefficient: 0.42 Hull speed coefficient 'M' = 6.54 'Natural speed' for length = 29.4 knots Power going to wave formation at top speed: 46 percent Estimated hull characteristics and strength: Relative underwater volume absorbed by magazines and engineering spaces: 72 percent Relative accommodation and working space: 152 percent Displacement factor: 106 percent (Displacement relative to loading factors) Relative cross-sectional hull strength: 1.01 (Structure weight per square metre of hull surface: 1176 kg) Relative longitudinal hull strength: 1.01 (for 6.40 m average freeboard; freeboard adjustment -0.33 m) Relative composite hull strength: 1.01 +++++++++++++++++++++++++ [Machine-readable parameters: Spring Style v. 1.2.1] 862.64 x 121.36 x 34.11; 20.99 -- Dimensions 0.64 -- Block coefficient 1938 -- Year laid down 27.00 / 6000 / 16.00; Oil-fired turbine or equivalent -- Speed / radius / cruise 50 tons -- Miscellaneous weights ++++++++++ 9 x 17.99; 3; 1 -- Main battery; turrets; superfiring : 12 x 6.10; 4 -- Secondary battery; turrets : 12 x 5.00 -- Tertiary (QF/AA) battery : 0 -- No fourth (light) battery 0 -- No torpedo armament ++++++++++ 16.14 / 0.00 / 0.00 / 5.12; 73 -- Belt armor; relative extent 7.87 / 19.69 -- Deck / CT 25.59 / 2.01 / 0.00 / 0.00 -- Battery armor (Note: For portability, values are stored in Anglo-American units) +++++++++++++++++++++++++++++++++++++++++++++++++++++++