Ger/BB/1906, Germany Battleship laid down 1906 Displacement: 17,607 t light; 18,485 t standard; 21,014 t normal; 23,038 t full load Dimensions: Length (overall / waterline) x beam x draught (normal/deep) (489.00 ft / 489.00 ft) x 89.00 ft x (26.00 / 28.12 ft) (149.05 m / 149.05 m) x 27.13 m x (7.92 / 8.57 m) Armament: 8 - 12.00" / 305 mm 45.0 cal guns - 871.38lbs / 395.25kg shells, 90 per gun Breech loading guns in turret on barbette mounts, 1906 Model 4 x Twin mounts on centreline ends, evenly spread 2 raised mounts - superfiring 12 - 6.00" / 152 mm 45.0 cal guns - 108.93lbs / 49.41kg shells, 150 per gun Quick firing guns in casemate mounts, 1906 Model 12 x Single mounts on sides, evenly spread Weight of broadside 8,278 lbs / 3,755 kg Armour: - Belts: Width (max) Length (avg) Height (avg) Main: 12.0" / 305 mm 325.00 ft / 99.06 m 8.00 ft / 2.44 m Ends: 5.00" / 127 mm 164.00 ft / 49.99 m 12.00 ft / 3.66 m Upper: 8.00" / 203 mm 325.00 ft / 99.06 m 8.00 ft / 2.44 m Main Belt covers 102 % of normal length - Torpedo Bulkhead - Additional damage containing bulkheads: 1.50" / 38 mm 320.00 ft / 97.54 m 26.00 ft / 7.92 m Beam between torpedo bulkheads 59.00 ft / 17.98 m - Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max) Main: 12.0" / 305 mm 8.00" / 203 mm 12.0" / 305 mm 2nd: 6.00" / 152 mm 4.00" / 102 mm 6.00" / 152 mm - Armoured deck - multiple decks: For and Aft decks: 3.00" / 76 mm Forecastle: 2.00" / 51 mm Quarter deck: 2.00" / 51 mm - Conning towers: Forward 12.00" / 305 mm, Aft 8.00" / 203 mm Machinery: Coal fired boilers, steam turbines, Direct drive, 4 shafts, 30,859 shp / 23,021 Kw = 21.00 kts Range 4,200nm at 15.00 kts Bunker at max displacement = 4,553 tons (100% coal) Complement: 872 - 1,134 Cost: £1.637 million / $6.549 million Distribution of weights at normal displacement: Armament: 1,462 tons, 7.0 % - Guns: 1,462 tons, 7.0 % Armour: 7,294 tons, 34.7 % - Belts: 2,691 tons, 12.8 % - Torpedo bulkhead: 462 tons, 2.2 % - Armament: 2,112 tons, 10.1 % - Armour Deck: 1,701 tons, 8.1 % - Conning Towers: 328 tons, 1.6 % Machinery: 2,204 tons, 10.5 % Hull, fittings & equipment: 6,647 tons, 31.6 % Fuel, ammunition & stores: 3,407 tons, 16.2 % Miscellaneous weights: 0 tons, 0.0 % Overall survivability and seakeeping ability: Survivability (Non-critical penetrating hits needed to sink ship): 33,257 lbs / 15,085 Kg = 38.5 x 12.0 " / 305 mm shells or 5.7 torpedoes Stability (Unstable if below 1.00): 1.23 Metacentric height 6.1 ft / 1.9 m Roll period: 15.1 seconds Steadiness - As gun platform (Average = 50 %): 68 % - Recoil effect (Restricted arc if above 1.00): 0.53 Seaboat quality (Average = 1.00): 1.35 Hull form characteristics: Hull has a flush deck, a normal bow and a cruiser stern Block coefficient (normal/deep): 0.650 / 0.659 Length to Beam Ratio: 5.49 : 1 'Natural speed' for length: 22.11 kts Power going to wave formation at top speed: 52 % Trim (Max stability = 0, Max steadiness = 100): 50 Bow angle (Positive = bow angles forward): 0.00 degrees Stern overhang: -3.00 ft / -0.91 m Freeboard (% = length of deck as a percentage of waterline length): Fore end, Aft end - Forecastle: 25.00 %, 24.00 ft / 7.32 m, 21.00 ft / 6.40 m - Forward deck: 30.00 %, 21.00 ft / 6.40 m, 19.00 ft / 5.79 m - Aft deck: 25.00 %, 19.00 ft / 5.79 m, 18.00 ft / 5.49 m - Quarter deck: 20.00 %, 18.00 ft / 5.49 m, 17.50 ft / 5.33 m - Average freeboard: 19.73 ft / 6.01 m Ship tends to be wet forward Ship space, strength and comments: Space - Hull below water (magazines/engines, low = better): 98.7 % - Above water (accommodation/working, high = better): 140.7 % Waterplane Area: 33,340 Square feet or 3,097 Square metres Displacement factor (Displacement / loading): 114 % Structure weight / hull surface area: 159 lbs/sq ft or 774 Kg/sq metre Hull strength (Relative): - Cross-sectional: 0.93 - Longitudinal: 1.85 - Overall: 1.00 Adequate machinery, storage, compartmentation space Excellent accommodation and workspace room Good seaboat, rides out heavy weather easily
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Thursday, August 21, 2008
Oops, the Ger/BB/1906 with coal on board
I reader pointed out that I had neglected to give the Ger/BB/1906 battleship design a range and the associated coal in bunkers. Last night, I reran Springsharp to correct the problem:
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