Posts: 5376 Joined: July 27th, 2010, 3:02 am
Location: Aalborg, Denmark
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Work has begun on a new cruiser.
Cruiser 1931, Denmark Light Cruiser laid down 1931
Displacement:
5.081 t light; 5.280 t standard; 5.748 t normal; 6.123 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(505,43 ft / 498,03 ft) x 45,60 ft x (16,40 / 17,24 ft)
(154,05 m / 151,80 m) x 13,90 m x (5,00 / 5,25 m)
Armament:
8 - 5,98" / 152 mm 55,0 cal guns - 115,65lbs / 52,46kg shells, 150 per gun
Breech loading guns in turret on barbette mounts, 1930 Model
4 x Twin mounts on centreline, evenly spread
2 raised mounts
4 - 2,95" / 75,0 mm 45,0 cal guns - 12,98lbs / 5,89kg shells, 200 per gun
Dual purpose guns in deck mounts, 1931 Model
4 x Single mounts on sides, evenly spread
2 raised mounts
4 - 0,79" / 20,0 mm 60,0 cal guns - 0,26lbs / 0,12kg shells, 3.000 per gun
Machine guns in deck mounts, 1931 Model
4 x Single mounts on sides, evenly spread
4 raised mounts
Weight of broadside 978 lbs / 444 kg
Main Torpedoes
8 - 21,0" / 533 mm, 6,60 ft / 2,01 m torpedoes - 0,554 t each, 4,435 t total
In 2 sets of deck mounted side rotating tubes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 2,36" / 60 mm 286,98 ft / 87,47 m 8,10 ft / 2,47 m
Ends: 1,18" / 30 mm 110,50 ft / 33,68 m 8,10 ft / 2,47 m
100,56 ft / 30,65 m Unarmoured ends
Upper: 1,18" / 30 mm 292,98 ft / 89,30 m 8,01 ft / 2,44 m
Main Belt covers 89 % of normal length
Main belt does not fully cover magazines and engineering spaces
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1,57" / 40 mm 0,98" / 25 mm 0,98" / 25 mm
- Box over machinery & magazines:
1,57" / 40 mm
- Conning towers: Forward 2,36" / 60 mm, Aft 0,00" / 0 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 49.889 shp / 37.217 Kw = 30,00 kts
Range 5.000nm at 15,00 kts
Bunker at max displacement = 842 tons
Complement:
329 - 429
Cost:
£2,166 million / $8,664 million
Distribution of weights at normal displacement:
Armament: 278 tons, 4,8 %
- Guns: 269 tons, 4,7 %
- Weapons: 9 tons, 0,2 %
Armour: 986 tons, 17,2 %
- Belts: 382 tons, 6,6 %
- Armament: 79 tons, 1,4 %
- Armour Deck: 509 tons, 8,9 %
- Conning Tower: 16 tons, 0,3 %
Machinery: 1.492 tons, 26,0 %
Hull, fittings & equipment: 2.245 tons, 39,1 %
Fuel, ammunition & stores: 667 tons, 11,6 %
Miscellaneous weights: 80 tons, 1,4 %
- Hull below water: 20 tons
- Hull above water: 20 tons
- On freeboard deck: 20 tons
- Above deck: 20 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
6.698 lbs / 3.038 Kg = 62,5 x 6,0 " / 152 mm shells or 2,6 torpedoes
Stability (Unstable if below 1.00): 1,04
Metacentric height 1,6 ft / 0,5 m
Roll period: 14,9 seconds
Steadiness - As gun platform (Average = 50 %): 65 %
- Recoil effect (Restricted arc if above 1.00): 0,84
Seaboat quality (Average = 1.00): 1,29
Hull form characteristics:
Hull has rise forward of midbreak,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0,540 / 0,547
Length to Beam Ratio: 10,92 : 1
'Natural speed' for length: 22,32 kts
Power going to wave formation at top speed: 57 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 8,00 degrees
Stern overhang: 3,94 ft / 1,20 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 22,70 %, 24,61 ft / 7,50 m, 22,64 ft / 6,90 m
- Forward deck: 30,00 %, 22,64 ft / 6,90 m, 21,33 ft / 6,50 m
- Aft deck: 26,30 %, 13,78 ft / 4,20 m, 13,78 ft / 4,20 m
- Quarter deck: 21,00 %, 13,78 ft / 4,20 m, 13,78 ft / 4,20 m
- Average freeboard: 18,43 ft / 5,62 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 102,7 %
- Above water (accommodation/working, high = better): 163,8 %
Waterplane Area: 15.703 Square feet or 1.459 Square metres
Displacement factor (Displacement / loading): 113 %
Structure weight / hull surface area: 83 lbs/sq ft or 407 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,94
- Longitudinal: 1,92
- Overall: 1,01
Adequate machinery, storage, compartmentation space
Excellent accommodation and workspace room
Good seaboat, rides out heavy weather easily
_________________ “Close” only counts with horseshoes, hand grenades, and tactical nuclear weapons.
That which does not kill me has made a grave tactical error
Worklist
Source Materiel is always welcome.
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