Ger/CS/1905, Germany Scout Cruiser laid down 1905 (Engine 1939) Displacement: 2,154 t light; 2,222 t standard; 2,327 t normal; 2,410 t full load Dimensions: Length overall / water x beam x draught 370.80 ft / 370.00 ft x 38.00 ft x 16.00 ft (normal load) 113.02 m / 112.78 m x 11.58 m x 4.88 m Armament: 5 - 4.00" / 102 mm guns in single mounts, 32.00lbs / 14.51kg shells, 1905 Model Quick firing guns in deck mounts with hoists on centreline ends, majority forward, all raised mounts - superfiring Weight of broadside 160 lbs / 73 kg Shells per gun, main battery: 250 4 - 18.0" / 457.2 mm above water torpedoes Armour: - Belts: Width (max) Length (avg) Height (avg) Main: 2.00" / 51 mm 160.00 ft / 48.77 m 12.00 ft / 3.66 m Ends: Unarmoured Main Belt covers 67 % of normal length Main belt does not fully cover magazines and engineering spaces - Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max) Main: 1.00" / 25 mm - - - Conning tower: 2.00" / 51 mm Machinery: Oil fired boilers, steam turbines, Direct drive, 4 shafts, 65,127 shp / 48,584 Kw = 36.00 kts Range 3,200nm at 12.00 kts Bunker at max displacement = 188 tons Complement: 166 - 217 Cost: £0.280 million / $1.120 million Distribution of weights at normal displacement: Armament: 20 tons, 0.9 % Armour: 189 tons, 8.1 % - Belts: 171 tons, 7.3 % - Torpedo bulkhead: 0 tons, 0.0 % - Armament: 11 tons, 0.5 % - Armour Deck: 0 tons, 0.0 % - Conning Tower: 8 tons, 0.3 % Machinery: 1,342 tons, 57.7 % Hull, fittings & equipment: 603 tons, 25.9 % Fuel, ammunition & stores: 173 tons, 7.4 % Miscellaneous weights: 0 tons, 0.0 % Overall survivability and seakeeping ability: Survivability (Non-critical penetrating hits needed to sink ship): 466 lbs / 211 Kg = 14.6 x 4.0 " / 102 mm shells or 0.3 torpedoes Stability (Unstable if below 1.00): 1.38 Metacentric height 2.1 ft / 0.6 m Roll period: 11.1 seconds Steadiness - As gun platform (Average = 50 %): 56 % - Recoil effect (Restricted arc if above 1.00): 0.19 Seaboat quality (Average = 1.00): 1.00 Hull form characteristics: Hull has rise forward of midbreak Block coefficient: 0.362 Length to Beam Ratio: 9.74 : 1 'Natural speed' for length: 19.24 kts Power going to wave formation at top speed: 68 % Trim (Max stability = 0, Max steadiness = 100): 56 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 (30 %): 21.00 ft / 6.40 m - Mid (30 %): 21.00 ft / 6.40 m (14.00 ft / 4.27 m aft of break) - Quarterdeck (15 %): 14.00 ft / 4.27 m - Stern: 14.00 ft / 4.27 m - Average freeboard: 16.34 ft / 4.98 m Ship space, strength and comments: Space - Hull below water (magazines/engines, low = better): 193.0 % - Above water (accommodation/working, high = better): 117.4 % Waterplane Area: 8,534 Square feet or 793 Square metres Displacement factor (Displacement / loading): 60 % Structure weight / hull surface area: 34 lbs/sq ft or 168 Kg/sq metre Hull strength (Relative): - Cross-sectional: 0.44 - Longitudinal: 2.04 - Overall: 0.51 Hull space for machinery, storage, compartmentation is cramped Room for accommodation and workspaces is adequate
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Tuesday, February 01, 2005
I made another attempt at the Ger/CS/1905
I greatly struggled with the Ger/CS/1905 to get it to have adequate structural strength, something similar to the specified dimensions, and the 36 knot speed. That was what kept me from easily getting adequate seakeeping ability. I am really starting to get a system down that will produce a ship with adequate strength, stability, and seakeeping ability. Here is the report:
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