Tosa, laid down 1920 Length, 232.0 m x Beam, 31.0 m x Depth, 9.4 m 39874 tonnes normal displacement (37702 tonnes standard) Main battery: 10 x 41.0-cm (5 x 2; 2 superfiring) Secondary battery: 20 x 14.0-cm AA battery: 4 x 7.6-cm Weight of broadside: 10344 kg 8 TT, 61.0 cm (4 submerged) Main belt, 27.9 cm; ends unarmored Torpedo bulkhead, 7.6 cm Armor deck, average 10.2 cm Conning tower, 25.6 cm Battery armor: Main, 30.5 cm Maximum speed for 68831 shaft kw = 26.50 knots Approximate cruising radius, 5500 nm / 16 knots Typical complement: 1411-1834 Estimated cost, $38.445 million (�9.611 million) Remarks: Caution: Hull structure is subject to strain in open-sea conditions. Relative extent of belt armor, 105 percent of 'typical' coverage. Ship is roomy, with superior accommodation and working space. Distribution of weights: Percent normal displacement: Armament ......................... 2845 tonnes = 7 pct Armor, total ..................... 12948 tonnes = 32 pct Belt 2936 tonnes = 7 pct Torpedo bulkhead 1688 tonnes = 4 pct Deck 4014 tonnes = 10 pct C.T. 255 tonnes = 1 pct Armament 4056 tonnes = 10 pct Machinery ........................ 3225 tonnes = 8 pct Hull and fittings; equipment ..... 15940 tonnes = 40 pct Fuel, ammunition, stores ......... 4866 tonnes = 12 pct Miscellaneous weights ............ 50 tonnes = 0 pct ----- 39874 tonnes = 100 pct Estimated metacentric height, 1.8 m Displacement summary: Light ship: 35008 tonnes Standard displacement: 37702 tonnes Normal service: 39874 tonnes Full load: 41452 tonnes Loading submergence 5063 tonnes/metre +++++++++++++++++++++++++ Estimated overall survivability and seakeeping ability: Relative margin of stability: 1.07 Shellfire needed to sink: 14610 kg = 15.3 x 41.0-cm shells (Approximates weight of penetrating shell hits needed to sink ship, not counting critical hits) Torpedoes needed to sink: 4.4 (Approximates number of 'typical' torpedo hits needed to sink ship) Relative steadiness as gun platform, 53 percent (50 percent is 'average') Relative rocking effect from firing to beam, 0.71 Relative quality as a seaboat: 1.07 +++++++++++++++++++++++++ Hull form characteristics: Block coefficient: 0.58 Sharpness coefficient: 0.39 Hull speed coefficient 'M' = 6.81 'Natural speed' for length = 27.6 knots Power going to wave formation at top speed: 47 percent Estimated hull characteristics and strength: Relative underwater volume absorbed by magazines and engineering spaces: 105 percent Relative accommodation and working space: 130 percent Displacement factor: 95 percent (Displacement relative to loading factors) Relative cross-sectional hull strength: 0.99 (Structure weight per square metre of hull surface: 1044 kg) Relative longitudinal hull strength: 0.99 (for 5.70 m average freeboard; freeboard adjustment -0.39 m) Relative composite hull strength: 0.99 +++++++++++++++++++++++++ [Machine-readable parameters: Spring Style v. 1.2.1] 760.96 x 101.68 x 30.83; 18.70 -- Dimensions 0.58 -- Block coefficient 1920 -- Year laid down 26.50 / 5500 / 16.00; Oil-fired turbine or equivalent -- Speed / radius / cruise 50 tons -- Miscellaneous weights ++++++++++ 10 x 16.14; 5; 2 -- Main battery; turrets; superfiring : 20 x 5.51; 0 -- Secondary battery; turrets : 4 x 2.99 -- Tertiary (QF/AA) battery : 0 -- No fourth (light) battery 8 / 4 / 24.02 -- TT / submerged / size ++++++++++ 10.98 / 0.00 / 0.00 / 2.99; 105 -- Belt armor; relative extent 4.02 / 10.08 -- Deck / CT 12.01 / 0.00 / 0.00 / 0.00 -- Battery armor (Note: For portability, values are stored in Anglo-American units) +++++++++++++++++++++++++++++++++++++++++++++++++++++++