Ger/BB/1910, Germany Battleship laid down 1910 (Engine 1921) Displacement: 29,717 t light; 31,116 t standard; 33,350 t normal; 35,137 t full load Dimensions: Length overall / water x beam x draught 645.00 ft / 645.00 ft x 106.00 ft x 30.00 ft (normal load) 196.60 m / 196.60 m x 32.31 m x 9.14 m Armament: 9 - 12.00" / 305 mm guns (3x3 guns), 864.00lbs / 391.90kg shells, 1910 Model Breech loading guns in turrets (on barbettes) on centreline ends, majority forward, all raised mounts - superfiring 8 - 6.00" / 152 mm guns in single mounts, 108.00lbs / 48.99kg shells, 1910 Model Quick firing guns in deck mounts with hoists on side, evenly spread, all raised mounts Weight of broadside 8,640 lbs / 3,919 kg Shells per gun, main battery: 150 Armour: - Belts: Width (max) Length (avg) Height (avg) Main: 14.0" / 356 mm 435.00 ft / 132.59 m 16.00 ft / 4.88 m Ends: Unarmoured Main Belt covers 104 % of normal length - Torpedo Bulkhead: 2.00" / 51 mm 435.00 ft / 132.59 m 28.00 ft / 8.53 m - Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max) Main: 14.0" / 356 mm 6.00" / 152 mm 14.0" / 356 mm 2nd: 2.00" / 51 mm - - - Armour deck: 6.00" / 152 mm, Conning tower: 14.00" / 356 mm Machinery: Oil fired boilers, steam turbines, Direct drive, 4 shafts, 51,219 shp / 38,209 Kw = 23.00 kts Range 7,500nm at 15.00 kts Bunker at max displacement = 4,022 tons Complement: 1,233 - 1,604 Cost: £2.194 million / $8.777 million Distribution of weights at normal displacement: Armament: 1,080 tons, 3.2 % Armour: 13,852 tons, 41.5 % - Belts: 4,241 tons, 12.7 % - Torpedo bulkhead: 901 tons, 2.7 % - Armament: 3,005 tons, 9.0 % - Armour Deck: 5,392 tons, 16.2 % - Conning Tower: 313 tons, 0.9 % Machinery: 1,764 tons, 5.3 % Hull, fittings & equipment: 13,021 tons, 39.0 % Fuel, ammunition & stores: 3,633 tons, 10.9 % Miscellaneous weights: 0 tons, 0.0 % Overall survivability and seakeeping ability: Survivability (Non-critical penetrating hits needed to sink ship): 84,733 lbs / 38,434 Kg = 98.1 x 12.0 " / 305 mm shells or 18.0 torpedoes Stability (Unstable if below 1.00): 1.03 Metacentric height 5.8 ft / 1.8 m Roll period: 18.5 seconds Steadiness - As gun platform (Average = 50 %): 100 % - Recoil effect (Restricted arc if above 1.00): 0.76 Seaboat quality (Average = 1.00): 2.00 Hull form characteristics: Hull has rise forward of midbreak Block coefficient: 0.569 Length to Beam Ratio: 6.08 : 1 'Natural speed' for length: 25.40 kts Power going to wave formation at top speed: 46 % Trim (Max stability = 0, Max steadiness = 100): 50 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: 32.00 ft / 9.75 m - Forecastle (20 %): 30.00 ft / 9.14 m - Mid (68 %): 30.00 ft / 9.14 m (23.00 ft / 7.01 m aft of break) - Quarterdeck (15 %): 23.00 ft / 7.01 m - Stern: 23.00 ft / 7.01 m - Average freeboard: 27.92 ft / 8.51 m Ship space, strength and comments: Space - Hull below water (magazines/engines, low = better): 53.5 % - Above water (accommodation/working, high = better): 211.4 % Waterplane Area: 48,577 Square feet or 4,513 Square metres Displacement factor (Displacement / loading): 128 % Structure weight / hull surface area: 186 lbs/sq ft or 911 Kg/sq metre Hull strength (Relative): - Cross-sectional: 0.92 - Longitudinal: 2.21 - Overall: 1.00 Hull space for machinery, storage, compartmentation is excellent Room for accommodation and workspaces is excellent Ship has slow, easy roll, a good, steady gun platform Excellent seaboat, comfortable, can fire her guns in the heaviest weather
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Thursday, March 24, 2005
Springsharp gives a glowing report to the Ger/BB/1910 design
The Ger/BB/1910 design was intended to be about a 32,000 ton vessel with 14in armor and 9-12in/50 BLR with 8-6in/50 QF guns. The designed speed was 23 knots. The Springsharp report is quite glowing, and was easy to finalize. I only had to raise the displacement to 33,350 tons normal displacement to achieve suffiicent structural strength.
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