Ger/CL/1915, Germany Light Cruiser laid down 1915 Displacement: 7,168 t light; 7,413 t standard; 7,968 t normal; 8,412 t full load Dimensions: Length overall / water x beam x draught 476.91 ft / 475.00 ft x 48.00 ft x 22.00 ft (normal load) 145.36 m / 144.78 m x 14.63 m x 6.71 m Armament: 6 - 6.00" / 152 mm guns (3x2 guns), 108.00lbs / 48.99kg shells, 1915 Model Quick firing guns in deck mounts with hoists on centreline ends, majority aft, all raised mounts - superfiring Weight of broadside 648 lbs / 294 kg Shells per gun, main battery: 240 4 - 23.6" / 599.44 mm above water torpedoes Armour: - Belts: Width (max) Length (avg) Height (avg) Main: 3.00" / 76 mm 345.00 ft / 105.16 m 16.00 ft / 4.88 m Ends: Unarmoured Main Belt covers 112 % of normal length Main belt does not fully cover magazines and engineering spaces - Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max) Main: 2.00" / 51 mm 2.00" / 51 mm 2.00" / 51 mm - Armour deck: 2.00" / 51 mm, Conning tower: 3.00" / 76 mm Machinery: Oil fired boilers, steam turbines, Geared drive, 4 shafts, 83,619 shp / 62,380 Kw = 32.00 kts Range 3,600nm at 15.00 kts Bunker at max displacement = 999 tons Complement: 421 - 548 Cost: £1.109 million / $4.435 million Distribution of weights at normal displacement: Armament: 81 tons, 1.0 % Armour: 1,353 tons, 17.0 % - Belts: 680 tons, 8.5 % - Torpedo bulkhead: 0 tons, 0.0 % - Armament: 55 tons, 0.7 % - Armour Deck: 592 tons, 7.4 % - Conning Tower: 26 tons, 0.3 % Machinery: 3,167 tons, 39.7 % Hull, fittings & equipment: 2,566 tons, 32.2 % Fuel, ammunition & stores: 801 tons, 10.0 % Miscellaneous weights: 0 tons, 0.0 % Overall survivability and seakeeping ability: Survivability (Non-critical penetrating hits needed to sink ship): 4,762 lbs / 2,160 Kg = 44.1 x 6.0 " / 152 mm shells or 0.8 torpedoes Stability (Unstable if below 1.00): 1.20 Metacentric height 2.3 ft / 0.7 m Roll period: 13.2 seconds Steadiness - As gun platform (Average = 50 %): 57 % - Recoil effect (Restricted arc if above 1.00): 0.38 Seaboat quality (Average = 1.00): 1.05 Hull form characteristics: Hull has rise forward of midbreak Block coefficient: 0.556 Length to Beam Ratio: 9.90 : 1 'Natural speed' for length: 21.79 kts Power going to wave formation at top speed: 64 % Trim (Max stability = 0, Max steadiness = 100): 54 Bow angle (Positive = bow angles forward): 2.00 degrees Stern overhang: 1.00 ft / 0.30 m Freeboard (% = measuring location as a percentage of overall length): - Stem: 26.00 ft / 7.92 m - Forecastle (20 %): 25.00 ft / 7.62 m - Mid (30 %): 25.00 ft / 7.62 m (17.00 ft / 5.18 m aft of break) - Quarterdeck (15 %): 17.00 ft / 5.18 m - Stern: 17.00 ft / 5.18 m - Average freeboard: 19.48 ft / 5.94 m Ship space, strength and comments: Space - Hull below water (magazines/engines, low = better): 137.1 % - Above water (accommodation/working, high = better): 111.8 % Waterplane Area: 16,002 Square feet or 1,487 Square metres Displacement factor (Displacement / loading): 96 % Structure weight / hull surface area: 83 lbs/sq ft or 407 Kg/sq metre Hull strength (Relative): - Cross-sectional: 0.91 - Longitudinal: 2.36 - Overall: 1.00 Hull space for machinery, storage, compartmentation is cramped Room for accommodation and workspaces is adequate
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Saturday, January 15, 2005
This is a design that I had intended to produce in numbers: Ger/CL/1915
This was a German light cruiser (Ger/CL/1915) that I had intended in the wargame, to produce in numbers. The ship had 6-6in guns in twin mounts, with one forward and two aft, with one superfiring with blast shield. The ship had three funnels, with the forefunnel raised. There is one twin TT aft of the bridge and forward of the funnels, and another just aft of the funnels. There are two tall pole masts, with a director on the bridge. I had hoped for 5400 tons with 60,000 SHP, but that was insufficient for Springsharp.
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