Sjöormen, Sweden Destroyer laid down 1930

Displacement:
	1 934 t light; 1 994 t standard; 2 050 t normal; 2 095 t full load

Dimensions: Length overall / water x beam x draught
	384,37 ft / 367,45 ft x 32,81 ft (Bulges 39,37 ft) x 13,12 ft (normal load)
	117,16 m / 112,00 m x 10,00 m (Bulges 12,00 m)  x 4,00 m

Armament:
      5 - 4,13" / 105 mm guns (3 mounts), 35,32lbs / 16,02kg shells, 1924 Model
	  Dual purpose guns in deck mounts with hoists
	  on centreline ends, majority forward, 1 raised mount
      6 - 2,24" / 57,0 mm guns (3x2 guns), 5,65lbs / 2,56kg shells, 1918 Model
	  Anti-aircraft guns in deck mounts 
	  on side, evenly spread, all raised mounts
      8 - 0,98" / 25,0 mm guns (4x2 guns), 0,48lbs / 0,22kg shells, 1926 Model
	  Machine guns in deck mounts 
	  on side, evenly spread, all raised mounts
	Weight of broadside 214 lbs / 97 kg
	Shells per gun, main battery: 150
	10 - 21,0" / 533,4 mm above water torpedoes

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Main:	0,39" / 10 mm	198,49 ft / 60,50 m	6,89 ft / 2,10 m
	Ends:	Unarmoured
	  Main Belt covers 83 % of normal length
	  Main belt does not fully cover magazines and engineering spaces

   - Torpedo Bulkhead and Bulges:
		0,10" / 2 mm	198,49 ft / 60,50 m	9,25 ft / 2,82 m

   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	0,98" / 25 mm	0,20" / 5 mm		0,98" / 25 mm

   - Armour deck: 0,39" / 10 mm, Conning tower: 0,98" / 25 mm

Machinery:
	Oil fired boilers, steam turbines, 
	Geared drive, 2 shafts, 44 414 shp / 33 133 Kw = 35,00 kts
	Range 1 200nm at 14,00 kts (Bunkerage = 101 tons)

Complement:
	152 - 198

Cost:
	£1,005 million / $4,021 million

Distribution of weights at normal displacement:
	Armament: 27 tons, 1,3 %
	Armour: 96 tons, 4,7 %
	   - Belts: 23 tons, 1,1 %
	   - Torpedo bulkhead: 7 tons, 0,3 %
	   - Armament: 7 tons, 0,4 %
	   - Armour Deck: 56 tons, 2,7 %
	   - Conning Tower: 3 tons, 0,2 %
	Machinery: 1 073 tons, 52,3 %
	Hull, fittings & equipment: 729 tons, 35,5 %
	Fuel, ammunition & stores: 117 tons, 5,7 %
	Miscellaneous weights: 10 tons, 0,5 %

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  82 lbs / 37 Kg = 2,3 x 4,1 " / 105 mm shells or 0,1 torpedoes
	Stability (Unstable if below 1.00): 1,05
	Metacentric height 1,0 ft / 0,3 m
	Roll period: 16,3 seconds
	Steadiness	- As gun platform (Average = 50 %): 80 %
			- Recoil effect (Restricted arc if above 1.00): 0,27
	Seaboat quality  (Average = 1.00): 1,00

Hull form characteristics:
	Hull has raised forecastle
	  and transom stern
	Block coefficient: 0,378
	Length to Beam Ratio: 9,33 : 1
	'Natural speed' for length: 22,39 kts
	Power going to wave formation at top speed: 68 %
	Trim (Max stability = 0, Max steadiness = 100): 80
	Bow angle (Positive = bow angles forward): 30,00 degrees
	Stern overhang: 3,28 ft / 1,00 m
	Freeboard (% = measuring location as a percentage of overall length):
	   - Stem:		23,62 ft / 7,20 m
	   - Forecastle (30 %):	19,69 ft / 6,00 m (13,12 ft / 4,00 m aft of break)
	   - Mid (50 %):		13,12 ft / 4,00 m
	   - Quarterdeck (15 %):	13,12 ft / 4,00 m
	   - Stern:		13,12 ft / 4,00 m
	   - Average freeboard:	15,56 ft / 4,74 m

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 459,9 %
		- Above water (accommodation/working, high = better): 53,7 %
	Waterplane Area: 7 621 Square feet or 708 Square metres
	Displacement factor (Displacement / loading): 68 %
	Structure weight / hull surface area: 43 lbs/sq ft or 212 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0,60
		- Longitudinal: 2,41
		- Overall: 0,69
	Hull space for machinery, storage, compartmentation is extremely poor
	Room for accommodation and workspaces is cramped
	Ship has slow, easy roll, a good, steady gun platform