Forstena, Sweden Destroyer laid down 1944 Displacement: 2 264 t light; 2 349 t standard; 2 498 t normal; 2 617 t full load Dimensions: Length (overall / waterline) x beam x draught (normal/deep) (388,50 ft / 377,30 ft) x 42,65 ft x (13,12 / 13,53 ft) (118,41 m / 115,00 m) x 13,00 m x (4,00 / 4,12 m) Armament: 6 - 4,72" / 120 mm 45,0 cal guns - 53,17lbs / 24,12kg shells, 150 per gun Dual purpose guns in turret on barbette mounts, 1944 Model 3 x Twin mounts on centreline ends, majority forward 1 raised mount - superfiring 14 - 1,57" / 40,0 mm 60,0 cal guns - 2,14lbs / 0,97kg shells, 500 per gun Auto rapid fire guns in deck and hoist mounts, 1944 Model 7 x Twin mounts on sides, evenly spread 7 raised mounts Weight of broadside 349 lbs / 158 kg Main Torpedoes 10 - 21,0" / 533 mm, 26,25 ft / 8,00 m torpedoes - 1,758 t each, 17,580 t total In 2 sets of deck mounted centre rotating tubes Main DC/AS Mortars 4 - 231,49 lbs / 105,00 kg Depth Charges + 30 reloads - 3,514 t total in Depth charge throwers 2nd DC/AS Mortars 1 - 55,12 lbs / 25,00 kg trainable AS Mortar + 30 reloads - 0,763 t total Armour: - Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max) Main: 1,97" / 50 mm 0,39" / 10 mm 1,97" / 50 mm Machinery: Oil fired boilers, steam turbines, Geared drive, 2 shafts, 64 797 shp / 48 338 Kw = 37,00 kts Range 3 000nm at 14,00 kts Bunker at max displacement = 268 tons Complement: 176 - 229 Cost: £2,052 million / $8,206 million Distribution of weights at normal displacement: Armament: 143 tons, 5,7 % - Guns: 94 tons, 3,8 % - Weapons: 49 tons, 2,0 % Armour: 56 tons, 2,2 % - Armament: 56 tons, 2,2 % Machinery: 1 359 tons, 54,4 % Hull, fittings & equipment: 706 tons, 28,3 % Fuel, ammunition & stores: 234 tons, 9,4 % Miscellaneous weights: 0 tons, 0,0 % Overall survivability and seakeeping ability: Survivability (Non-critical penetrating hits needed to sink ship): 486 lbs / 221 Kg = 9,2 x 4,7 " / 120 mm shells or 0,2 torpedoes Stability (Unstable if below 1.00): 0,97 Metacentric height 1,3 ft / 0,4 m Roll period: 15,6 seconds Steadiness - As gun platform (Average = 50 %): 51 % - Recoil effect (Restricted arc if above 1.00): 0,33 Seaboat quality (Average = 1.00): 0,51 Hull form characteristics: Hull has rise forward of midbreak, a normal bow and large transom stern Block coefficient (normal/deep): 0,414 / 0,421 Length to Beam Ratio: 8,85 : 1 'Natural speed' for length: 22,66 kts Power going to wave formation at top speed: 72 % Trim (Max stability = 0, Max steadiness = 100): 100 Bow angle (Positive = bow angles forward): 26,00 degrees Stern overhang: 0,00 ft / 0,00 m Freeboard (% = length of deck as a percentage of waterline length): Fore end, Aft end - Forecastle: 20,00 %, 22,97 ft / 7,00 m, 19,69 ft / 6,00 m - Forward deck: 30,00 %, 19,69 ft / 6,00 m, 16,40 ft / 5,00 m - Aft deck: 47,00 %, 9,84 ft / 3,00 m, 9,84 ft / 3,00 m - Quarter deck: 3,00 %, 9,84 ft / 3,00 m, 9,84 ft / 3,00 m - Average freeboard: 14,53 ft / 4,43 m Ship space, strength and comments: Space - Hull below water (magazines/engines, low = better): 188,7 % - Above water (accommodation/working, high = better): 112,2 % Waterplane Area: 10 372 Square feet or 964 Square metres Displacement factor (Displacement / loading): 67 % Structure weight / hull surface area: 46 lbs/sq ft or 226 Kg/sq metre Hull strength (Relative): - Cross-sectional: 0,56 - Longitudinal: 1,18 - Overall: 0,60 Caution: Poor stability - excessive risk of capsizing Cramped machinery, storage, compartmentation space Adequate accommodation and workspace room Caution: Lacks seaworthiness - very limited seakeeping ability