FDRLincoln
Posts: 744
Joined: 11/22/2004 From: Lawrence, KS Status: offline
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I worked up a quick Springsharp profile for this ship. I did this real fast so there could be mistakes. USS President, United States Heavy Battle Scout laid down 1924 Displacement: 43,079 t light; 46,161 t standard; 48,511 t normal; 50,391 t full load Dimensions: Length overall / water x beam x draught 875.00 ft / 875.00 ft x 107.00 ft x 31.00 ft (normal load) 266.70 m / 266.70 m x 32.61 m x 9.45 m Armament: 8 - 18.00" / 457 mm guns in single mounts, 2,916.00lbs / 1,322.68kg shells, 1924 Model Breech loading guns in deck mounts on centreline ends, evenly spread 16 - 6.00" / 152 mm guns in single mounts, 108.00lbs / 48.99kg shells, 1924 Model Breech loading guns in casemate mounts on side, all amidships Weight of broadside 25,056 lbs / 11,365 kg Shells per gun, main battery: 150 4 - 21.0" / 533.4 mm above water torpedoes Armour: - Belts: Width (max) Length (avg) Height (avg) Main: 9.00" / 229 mm 595.75 ft / 181.58 m 12.41 ft / 3.78 m Ends: Unarmoured Main Belt covers 105 % of normal length Main belt does not fully cover magazines and engineering spaces - Torpedo Bulkhead: 2.00" / 51 mm 568.75 ft / 173.36 m 29.03 ft / 8.85 m - Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max) Main: 10.0" / 254 mm 5.00" / 127 mm - 2nd: 2.00" / 51 mm - - - Armour deck: 1.75" / 44 mm, Conning tower: 12.00" / 305 mm Machinery: Oil fired boilers, steam turbines, Electric motors, 4 shafts, 181,291 shp / 135,243 Kw = 30.99 kts Range 10,000nm at 12.00 kts Bunker at max displacement = 4,231 tons Complement: 1,633 - 2,124 Cost: £15.376 million / $61.504 million Distribution of weights at normal displacement: Armament: 3,132 tons, 6.5 % Armour: 7,647 tons, 15.8 % - Belts: 2,810 tons, 5.8 % - Torpedo bulkhead: 1,222 tons, 2.5 % - Armament: 1,085 tons, 2.2 % - Armour Deck: 2,186 tons, 4.5 % - Conning Tower: 344 tons, 0.7 % Machinery: 5,971 tons, 12.3 % Hull, fittings & equipment: 26,328 tons, 54.3 % Fuel, ammunition & stores: 5,433 tons, 11.2 % Miscellaneous weights: 0 tons, 0.0 % Overall survivability and seakeeping ability: Survivability (Non-critical penetrating hits needed to sink ship): 60,395 lbs / 27,394 Kg = 20.7 x 18.0 " / 457 mm shells or 7.4 torpedoes Stability (Unstable if below 1.00): 1.51 Metacentric height 11.2 ft / 3.4 m Roll period: 13.4 seconds Steadiness - As gun platform (Average = 50 %): 66 % - Recoil effect (Restricted arc if above 1.00): 0.27 Seaboat quality (Average = 1.00): 1.19 Hull form characteristics: Hull has a flush deck Block coefficient: 0.585 Length to Beam Ratio: 8.18 : 1 'Natural speed' for length: 29.58 kts Power going to wave formation at top speed: 50 % Trim (Max stability = 0, Max steadiness = 100): 55 Bow angle (Positive = bow angles forward): 0.00 degrees Stern overhang: 0.00 ft / 0.00 m Freeboard (% = measuring location as a percentage of overall length): - Stem: 32.54 ft / 9.92 m - Forecastle (20 %): 20.71 ft / 6.31 m - Mid (50 %): 20.71 ft / 6.31 m - Quarterdeck (15 %): 20.71 ft / 6.31 m - Stern: 20.71 ft / 6.31 m - Average freeboard: 21.66 ft / 6.60 m Ship space, strength and comments: Space - Hull below water (magazines/engines, low = better): 110.7 % - Above water (accommodation/working, high = better): 158.3 % Waterplane Area: 67,521 Square feet or 6,273 Square metres Displacement factor (Displacement / loading): 109 % Structure weight / hull surface area: 286 lbs/sq ft or 1,396 Kg/sq metre Hull strength (Relative): - Cross-sectional: 1.76 - Longitudinal: 1.67 - Overall: 1.69 Hull space for machinery, storage, compartmentation is adequate Room for accommodation and workspaces is excellent
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