Black Prince, Great Britain Armoured Cruiser laid down 1884 Displacement: 7,627 t light; 7,927 t standard; 9,800 t normal; 11,299 t full load Dimensions: Length overall / water x beam x draught 400.00 ft / 400.00 ft x 58.00 ft x 27.00 ft (normal load) 121.92 m / 121.92 m x 17.68 m x 8.23 m Armament: 4 - 8.00" / 203 mm guns in single mounts, 232.96lbs / 105.67kg shells, 1884 Model Breech loading guns in turrets (on barbettes) on centreline, all forward 10 - 6.00" / 152 mm guns in single mounts, 98.28lbs / 44.58kg shells, 1884 Model Breech loading guns in casemate mounts on side, all aft Weight of broadside 1,915 lbs / 868 kg Shells per gun, main battery: 90 6 - 17.7" / 450 mm above water torpedoes Armour: - Belts: Width (max) Length (avg) Height (avg) Main: 4.50" / 114 mm 250.00 ft / 76.20 m 16.00 ft / 4.88 m Ends: Unarmoured Main Belt covers 96 % of normal length Main belt does not fully cover magazines and engineering spaces - Torpedo Bulkhead: 1.00" / 25 mm 250.00 ft / 76.20 m 27.00 ft / 8.23 m - Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max) Main: 4.50" / 114 mm 4.00" / 102 mm 4.50" / 114 mm 2nd: 4.00" / 102 mm 4.00" / 102 mm 4.00" / 102 mm - Armour deck: 4.00" / 102 mm, Conning tower: 4.50" / 114 mm Machinery: Coal fired boilers, simple reciprocating steam engines, Direct drive, 2 shafts, 8,145 ihp / 6,076 Kw = 16.50 kts Range 6,500nm at 12.00 kts Bunker at max displacement = 3,372 tons (100% coal) Complement: 492 - 640 Cost: £0.692 million / $2.768 million Distribution of weights at normal displacement: Armament: 239 tons, 2.4 % Armour: 2,686 tons, 27.4 % - Belts: 785 tons, 8.0 % - Torpedo bulkhead: 250 tons, 2.5 % - Armament: 411 tons, 4.2 % - Armour Deck: 1,195 tons, 12.2 % - Conning Tower: 44 tons, 0.5 % Machinery: 1,601 tons, 16.3 % Hull, fittings & equipment: 3,101 tons, 31.6 % Fuel, ammunition & stores: 2,173 tons, 22.2 % Miscellaneous weights: 0 tons, 0.0 % Overall survivability and seakeeping ability: Survivability (Non-critical penetrating hits needed to sink ship): 12,583 lbs / 5,708 Kg = 54.0 x 8.0 " / 203 mm shells or 2.2 torpedoes Stability (Unstable if below 1.00): 1.15 Metacentric height 2.9 ft / 0.9 m Roll period: 14.4 seconds Steadiness - As gun platform (Average = 50 %): 100 % - Recoil effect (Restricted arc if above 1.00): 0.57 Seaboat quality (Average = 1.00): 2.00 Hull form characteristics: Hull has a flush deck Block coefficient: 0.548 Length to Beam Ratio: 6.90 : 1 'Natural speed' for length: 20.00 kts Power going to wave formation at top speed: 39 % Trim (Max stability = 0, Max steadiness = 100): 59 Bow angle (Positive = bow angles forward): 0.00 degrees Stern overhang: -2.00 ft / -0.61 m Freeboard (% = measuring location as a percentage of overall length): - Stem: 22.00 ft / 6.71 m - Forecastle (20 %): 19.00 ft / 5.79 m - Mid (50 %): 19.00 ft / 5.79 m - Quarterdeck (15 %): 19.00 ft / 5.79 m - Stern: 19.00 ft / 5.79 m - Average freeboard: 19.24 ft / 5.86 m Ship space, strength and comments: Space - Hull below water (magazines/engines, low = better): 109.9 % - Above water (accommodation/working, high = better): 103.8 % Waterplane Area: 16,154 Square feet or 1,501 Square metres Displacement factor (Displacement / loading): 126 % Structure weight / hull surface area: 111 lbs/sq ft or 542 Kg/sq metre Hull strength (Relative): - Cross-sectional: 0.90 - Longitudinal: 2.76 - Overall: 1.00 Hull space for machinery, storage, compartmentation is adequate Room for accommodation and workspaces is adequate Ship has slow, easy roll, a good, steady gun platform Excellent seaboat, comfortable, can fire her guns in the heaviest weather
Amazon Ad
Friday, January 05, 2007
A change of pace: the Black Prince (GB/CA/1884)
Some work that I had done a long time ago surfaced in the last few days. One of the designs is a ship named Black Prince, which I am calling the GB/CA/1884. This ship has 4-8in and 10-6in guns, all breachloaders. The armour basis is 4.5in. The maximum speed is 16.5 knots. The range is 6,500nm at 12 knots. This is the Springsharp report:
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment