Weicahua-Class, Zhuoteng Empire Armored Corvette laid down 1860 Armoured Corvette (Broadside ironclad) Displacement: 1,753 t light; 1,900 t standard; 2,200 t normal; 2,439 t full load Dimensions: Length (overall / waterline) x beam x draught (normal/deep) (209.97 ft / 196.85 ft) x 39.37 ft x (13.12 / 14.41 ft) (64.00 m / 60.00 m) x 12.00 m x (4.00 / 4.39 m) Armament: 20 - 5.91" / 150 mm 20.0 cal guns - 68.45lbs / 31.05kg shells, 100 per gun Muzzle loading guns in broadside mounts, 1860 Model 20 x Single mounts on sides, evenly spread 20 - 3.94" / 100 mm 60.0 cal guns - 24.78lbs / 11.24kg shells, 100 per gun Muzzle loading guns in deck mounts, 1860 Model 4 x Quintuple mounts on sides, evenly spread Weight of broadside 1,865 lbs / 846 kg Armour: - Belts: Width (max) Length (avg) Height (avg) Main: 6.89" / 175 mm 127.95 ft / 39.00 m 7.51 ft / 2.29 m Ends: 3.94" / 100 mm 68.86 ft / 20.99 m 7.51 ft / 2.29 m Main Belt covers 100 % of normal length Main Belt inclined 10.00 degrees (positive = in) - Torpedo Bulkhead - Strengthened structural bulkheads: 0.79" / 20 mm 127.95 ft / 39.00 m 12.89 ft / 3.93 m Beam between torpedo bulkheads 39.37 ft / 12.00 m Machinery: Coal fired boilers, simple reciprocating steam engines, Direct drive, 2 shafts, 1,142 ihp / 852 Kw = 11.00 kts Range 1,000nm at 11.00 kts Bunker at max displacement = 539 tons (100% coal) Complement: 159 - 208 Cost: £0.173 million / $0.694 million Distribution of weights at normal displacement: Armament: 164 tons, 7.5 % - Guns: 164 tons, 7.5 % Armour: 432 tons, 19.7 % - Belts: 384 tons, 17.5 % - Torpedo bulkhead: 48 tons, 2.2 % Machinery: 366 tons, 16.6 % Hull, fittings & equipment: 790 tons, 35.9 % Fuel, ammunition & stores: 447 tons, 20.3 % Miscellaneous weights: 0 tons, 0.0 % Overall survivability and seakeeping ability: Survivability (Non-critical penetrating hits needed to sink ship): 1,671 lbs / 758 Kg = 29.5 x 5.9 " / 150 mm shells or 0.9 torpedoes Stability (Unstable if below 1.00): 1.76 Metacentric height 3.1 ft / 0.9 m Roll period: 9.4 seconds Steadiness - As gun platform (Average = 50 %): 93 % - Recoil effect (Restricted arc if above 1.00): 0.51 Seaboat quality (Average = 1.00): 1.86 Hull form characteristics: Hull has a flush deck, a ram bow and a cruiser stern Block coefficient (normal/deep): 0.757 / 0.765 Length to Beam Ratio: 5.00 : 1 'Natural speed' for length: 14.03 kts Power going to wave formation at top speed: 44 % Trim (Max stability = 0, Max steadiness = 100): 50 Bow angle (Positive = bow angles forward): -10.00 degrees Stern overhang: -3.28 ft / -1.00 m Freeboard (% = length of deck as a percentage of waterline length): Fore end, Aft end - Forecastle: 20.00 %, 11.48 ft / 3.50 m, 9.84 ft / 3.00 m - Forward deck: 30.00 %, 9.84 ft / 3.00 m, 8.20 ft / 2.50 m - Aft deck: 35.00 %, 8.20 ft / 2.50 m, 8.20 ft / 2.50 m - Quarter deck: 15.00 %, 8.20 ft / 2.50 m, 8.20 ft / 2.50 m - Average freeboard: 8.91 ft / 2.72 m Ship tends to be wet forward Ship space, strength and comments: Space - Hull below water (magazines/engines, low = better): 82.6 % - Above water (accommodation/working, high = better): 67.2 % Waterplane Area: 6,537 Square feet or 607 Square metres Displacement factor (Displacement / loading): 126 % Structure weight / hull surface area: 103 lbs/sq ft or 501 Kg/sq metre Hull strength (Relative): - Cross-sectional: 0.90 - Longitudinal: 2.45 - Overall: 1.00 Excellent machinery, storage, compartmentation space Cramped accommodation and workspace room Ship has slow, easy roll, a good, steady gun platform Excellent seaboat, comfortable, can fire her guns in the heaviest weather