Ger/CS/1905, Germany Scout Cruiser laid down 1905 Displacement: 2,205 t light; 2,265 t standard; 2,339 t normal; 2,398 t full load Dimensions: Length overall / water x beam x draught 370.80 ft / 370.00 ft x 37.00 ft x 13.00 ft (normal load) 113.02 m / 112.78 m x 11.28 m x 3.96 m Armament: 5 - 4.00" / 102 mm guns in single mounts, 32.00lbs / 14.51kg shells, 1905 Model Quick firing guns in deck mounts on side ends, majority forward, all raised mounts - superfiring Weight of broadside 160 lbs / 73 kg Shells per gun, main battery: 150 2 - 18.0" / 457.2 mm above water torpedoes Machinery: Oil fired boilers, steam turbines, Direct drive, 2 shafts, 36,551 shp / 27,267 Kw = 31.00 kts Range 900nm at 12.00 kts Bunker at max displacement = 133 tons Complement: 167 - 218 Cost: £0.335 million / $1.341 million Distribution of weights at normal displacement: Armament: 20 tons, 0.9 % Machinery: 1,724 tons, 73.7 % Hull, fittings & equipment: 461 tons, 19.7 % Fuel, ammunition & stores: 134 tons, 5.7 % Miscellaneous weights: 0 tons, 0.0 % Overall survivability and seakeeping ability: Survivability (Non-critical penetrating hits needed to sink ship): 341 lbs / 155 Kg = 10.7 x 4.0 " / 102 mm shells or 0.2 torpedoes Stability (Unstable if below 1.00): 2.06 Metacentric height 3.5 ft / 1.1 m Roll period: 8.3 seconds Steadiness - As gun platform (Average = 50 %): 54 % - Recoil effect (Restricted arc if above 1.00): 0.06 Seaboat quality (Average = 1.00): 1.05 Hull form characteristics: Hull has rise forward of midbreak Block coefficient: 0.460 Length to Beam Ratio: 10.00 : 1 'Natural speed' for length: 19.24 kts Power going to wave formation at top speed: 64 % Trim (Max stability = 0, Max steadiness = 100): 52 Bow angle (Positive = bow angles forward): 2.00 degrees Stern overhang: 0.00 ft / 0.00 m Freeboard (% = measuring location as a percentage of overall length): - Stem: 23.00 ft / 7.01 m - Forecastle (20 %): 20.00 ft / 6.10 m - Mid (30 %): 20.00 ft / 6.10 m (11.00 ft / 3.35 m aft of break) - Quarterdeck (15 %): 11.00 ft / 3.35 m - Stern: 11.00 ft / 3.35 m - Average freeboard: 13.94 ft / 4.25 m Ship space, strength and comments: Space - Hull below water (magazines/engines, low = better): 243.8 % - Above water (accommodation/working, high = better): 115.2 % Waterplane Area: 8,805 Square feet or 818 Square metres Displacement factor (Displacement / loading): 41 % Structure weight / hull surface area: 30 lbs/sq ft or 144 Kg/sq metre Hull strength (Relative): - Cross-sectional: 0.48 - Longitudinal: 1.00 - Overall: 0.52 Hull space for machinery, storage, compartmentation is extremely poor Room for accommodation and workspaces is adequate
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Friday, January 21, 2005
I still think that I should be able to make the Ger/CS/1905 design work in Springsharp
The original concept for the Ger/CS/1905 was similar to that of the British Swift, of similar vintage. In Springsharp, my latest attempt came up considerably short of what I had wanted. The design is too slow and too short a range:
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