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Admirał Dickmann, Polska krążownik lekki laid down 1924 (Engine 1925)
Displacement:
2 475 t light; 2 593 t standard; 2 764 t normal; 2 901 t full load
Dimensions: Length overall / water x beam x draught
360,60 ft / 353,35 ft x 39,37 ft x 13,45 ft (normal load)
109,91 m / 107,70 m x 12,00 m x 4,10 m
Armament:
6 - 6,10" / 155 mm guns (3x2 guns), 113,62lbs / 51,54kg shells, 1924 Model
Quick firing guns in turrets (on barbettes)
on centreline ends, majority forward
4 - 2,95" / 75,0 mm guns in single mounts, 12,87lbs / 5,84kg shells, 1924 Model
Anti-aircraft guns in deck mounts
on side, all amidships
6 - 0,52" / 13,2 mm guns in single mounts, 0,07lbs / 0,03kg shells, 1924 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 734 lbs / 333 kg
Shells per gun, main battery: 150
4 - 21,7" / 550 mm submerged torpedo tubes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 1,18" / 30 mm 150,92 ft / 46,00 m 11,48 ft / 3,50 m
Ends: 0,98" / 25 mm 78,74 ft / 24,00 m 9,84 ft / 3,00 m
123,69 ft / 37,70 m Unarmoured ends
Main Belt covers 66% of normal length
Main belt does not fully cover magazines and engineering spaces
- Torpedo Bulkhead:
0,79" / 20 mm 229,66 ft / 70,00 m 10,50 ft / 3,20 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1,57" / 40 mm 1,18" / 30 mm 1,18" / 30 mm
- Armour deck: 1,18" / 30 mm, Conning tower: 2,95" / 75 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 3 shafts, 22 635 shp / 16 886 Kw = 26,50 kts
Range 4 000nm at 12,50 kts
Bunker at max displacement = 309 tons
Complement:
189 - 247
Cost:
£0,824 million / $3,295 million
Distribution of weights at normal displacement:
Armament: 92 tons, 3,3%
Armour: 477 tons, 17,2%
- Belts: 121 tons, 4,4%
- Torpedo bulkhead: 70 tons, 2,5%
- Armament: 67 tons, 2,4%
- Armour Deck: 206 tons, 7,4%
- Conning Tower: 13 tons, 0,5%
Machinery: 735 tons, 26,6%
Hull, fittings & equipment: 1 171 tons, 42,4%
Fuel, ammunition & stores: 289 tons, 10,5%
Miscellaneous weights: 0 tons, 0,0%
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
2 142 lbs / 972 Kg = 18,9 x 6,1 " / 155 mm shells or 0,6 torpedoes
Stability (Unstable if below 1.00): 1,17
Metacentric height 1,7 ft / 0,5 m
Roll period: 12,8 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0,63
Seaboat quality (Average = 1.00): 1,00
Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0,517
Length to Beam Ratio: 8,97 : 1
'Natural speed' for length: 18,80 kts
Power going to wave formation at top speed: 61 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 18,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 22,31 ft / 6,80 m
- Forecastle (20%): 19,36 ft / 5,90 m
- Mid (40%): 19,36 ft / 5,90 m (11,48 ft / 3,50 m aft of break)
- Quarterdeck (15%): 11,48 ft / 3,50 m
- Stern: 12,14 ft / 3,70 m
- Average freeboard: 14,92 ft / 4,55 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 260,0%
- Above water (accommodation/working, high = better): 131,9%
Waterplane Area: 9 414 Square feet or 875 Square metres
Displacement factor (Displacement / loading): 103%
Structure weight / hull surface area: 72 lbs/sq ft or 349 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,92
- Longitudinal: 2,03
- Overall: 1,00
Hull space for machinery, storage, compartmentation is extremely poor
Room for accommodation and workspaces is excellent
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