WesWorld

Hugin, Sweden aircraftcarrying cruiser laid down 1930

Displacement:
9 325 t light; 9 616 t standard; 10 990 t normal; 12 046 t full load
Loading submergence 685 tons/feet

Dimensions:
590,55 ft x 65,62 ft x 20,34 ft (normal load)
180,00 m x 20,00 m x 6,20 m

Armament:
6 - 6,00" / 152 mm guns (2 Main turrets x 3 guns, 1 superfiring turret)
Main turrets are grouped together
12 - 3,00" / 76 mm guns (6 2nd turrets x 2 guns)
20 - 1,57" / 40 mm AA guns
10 - 0,98" / 25 mm guns
Weight of broadside 854 lbs / 387 kg

Armour:
Belt 4,92" / 125 mm, ends unarmoured
Belts cover 100 % of normal area
Main turrets 2,95" / 75 mm, 2nd turrets 0,98" / 25 mm
AA gun shields 0,39" / 10 mm, Light gun shields 0,20" / 5 mm
Armour deck 1,38" / 35 mm, Conning tower 3,94" / 100 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 69 791 shp / 52 064 Kw = 30,00 kts
Range 6 600nm at 18,00 kts

Complement:
536 - 697

Cost:
£2,978 million / $11,912 million

Distribution of weights at normal displacement:
Armament: 107 tons, 1,0 %
Armour: 1 636 tons, 14,9 %
Belts: 761 tons, 6,9 %, Armament: 222 tons, 2,0 %, Armour Deck: 611 tons, 5,6 %
Conning Tower: 42 tons, 0,4 %, Torpedo bulkhead: 0 tons, 0,0 %
Machinery: 2 115 tons, 19,2 %
Hull, fittings & equipment: 3 967 tons, 36,1 %
Fuel, ammunition & stores: 1 665 tons, 15,2 %
Miscellaneous weights: 1 500 tons, 13,6 %

Metacentric height 3,3

Remarks:
Hull space for machinery, storage & compartmentation is adequate
Room for accommodation & workspaces is excellent
Good seaboat, rides out heavy weather easily

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1,13
Shellfire needed to sink: 15 915 lbs / 7 219 Kg = 147,4 x 6,0 " / 152 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 2,0
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 68 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0,19
Relative quality as seaboat: 1,37

Hull form characteristics:
Block coefficient: 0,488
Sharpness coefficient: 0,34
Hull speed coefficient 'M': 8,12
'Natural speed' for length: 24,30 kts
Power going to wave formation at top speed: 54 %
Trim: 50
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 85,4 %
Relative accommodation and working space: 181,6 %
(Average = 100%)
Displacement factor: 134 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0,96
(Structure weight / hull surface area: 100 lbs / square foot or 490 Kg / square metre)
Relative longitudinal hull strength: 1,46
(for 21,33 ft / 6,50 m average freeboard, freeboard adjustment 5,89 ft)
Relative composite hull strength: 1,00

floatplanes (6x Fairey IIID/F until 1938, 4x Fairey Swordfish 1938-1945)

3 in class Hugin, Munin, Balder

There are picture avalible at:

http://www.geocities.com/kustflottan/kfl…mp/newships.htm