Serafimerorden, Sweden Royal Yacht laid down 1896 Displacement: 755 t light; 773 t standard; 850 t normal; 912 t full load Dimensions: Length overall / water x beam x draught 263,95 ft / 246,06 ft x 39,37 ft x 9,84 ft (normal load) 80,45 m / 75,00 m x 12,00 m x 3,00 m Armament: 2 - 2,24" / 57,0 mm guns in single mounts, 5,57lbs / 2,53kg shells, 1889 Model Breech loading guns in deck mounts on side, all amidships Weight of broadside 11 lbs / 5 kg Shells per gun, main battery: 50 Machinery: Coal fired boilers, complex reciprocating steam engines, Direct drive, 2 shafts, 1 285 ihp / 959 Kw = 15,00 kts Range 1 500nm at 12,00 kts Bunker at max displacement = 139 tons (100% coal) Complement: 78 - 102 Cost: £0,058 million / $0,230 million Distribution of weights at normal displacement: Armament: 1 tons, 0,2 % Machinery: 214 tons, 25,2 % Hull, fittings & equipment: 385 tons, 45,3 % Fuel, ammunition & stores: 95 tons, 11,1 % Miscellaneous weights: 155 tons, 18,2 % Overall survivability and seakeeping ability: Survivability (Non-critical penetrating hits needed to sink ship): 1 416 lbs / 642 Kg = 250,6 x 2,2 " / 57 mm shells or 0,7 torpedoes Stability (Unstable if below 1.00): 1,20 Metacentric height 1,7 ft / 0,5 m Roll period: 12,6 seconds Steadiness - As gun platform (Average = 50 %): 100 % - Recoil effect (Restricted arc if above 1.00): 0,01 Seaboat quality (Average = 1.00): 2,00 Hull form characteristics: Hull has raised forecastle Block coefficient: 0,312 Length to Beam Ratio: 6,25 : 1 'Natural speed' for length: 15,69 kts Power going to wave formation at top speed: 36 % Trim (Max stability = 0, Max steadiness = 100): 50 Bow angle (Positive = bow angles forward): 25,00 degrees Stern overhang: 9,84 ft / 3,00 m Freeboard (% = measuring location as a percentage of overall length): - Stem: 17,26 ft / 5,26 m - Forecastle (20 %): 16,40 ft / 5,00 m (10,99 ft / 3,35 m aft of break) - Mid (50 %): 10,99 ft / 3,35 m - Quarterdeck (15 %): 10,99 ft / 3,35 m - Stern: 10,99 ft / 3,35 m - Average freeboard: 12,14 ft / 3,70 m Ship tends to be wet forward Ship space, strength and comments: Space - Hull below water (magazines/engines, low = better): 103,1 % - Above water (accommodation/working, high = better): 162,7 % Waterplane Area: 6 061 Square feet or 563 Square metres Displacement factor (Displacement / loading): 143 % Structure weight / hull surface area: 45 lbs/sq ft or 219 Kg/sq metre Hull strength (Relative): - Cross-sectional: 0,88 - Longitudinal: 2,94 - Overall: 1,00 Hull space for machinery, storage, compartmentation is adequate Room for accommodation and workspaces is excellent Ship has slow, easy roll, a good, steady gun platform Excellent seaboat, comfortable, can fire her guns in the heaviest weather