Ersatz Karlsruhe, Germany Light Cruiser laid down 1938
Displacement:
9,326 t light; 9,780 t standard; 10,748 t normal; 11,522 t full load
Dimensions: Length overall / water x beam x draught
642.99 ft / 623.36 ft x 63.98 ft x 18.86 ft (normal load)
195.98 m / 190.00 m x 19.50 m x 5.75 m
Armament:
10 - 5.91" / 150 mm guns (5x2 guns), 100.31lbs / 45.50kg shells, 1938 Model
Dual purpose guns in turrets (on barbettes)
on centreline ends, majority forward, 2 raised mounts - superfiring
12 - 4.13" / 105 mm guns (6x2 guns), 35.32lbs / 16.02kg shells, 1928 Model
Dual purpose guns in deck mounts with hoists
on side, evenly spread
16 - 1.46" / 37.0 mm guns (8x2 guns), 1.55lbs / 0.70kg shells, 1929 Model
Dual purpose guns in deck mounts
on centreline ends, evenly spread
8 - 0.79" / 20.0 mm guns (2x4 guns), 0.24lbs / 0.11kg shells, 1936 Model
Machine guns in deck mounts
on side ends, evenly spread, all raised mounts
32 - 0.79" / 20.0 mm guns (8x4 guns), 0.24lbs / 0.11kg shells, 1936 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 4 raised mounts
Weight of broadside 1,461 lbs / 663 kg
Shells per gun, main battery: 270
16 - 23.6" / 600 mm above water torpedoes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 4.13" / 105 mm 405.18 ft / 123.50 m 11.48 ft / 3.50 m
Ends: Unarmoured
Main Belt covers 100 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 5.91" / 150 mm 2.76" / 70 mm 4.72" / 120 mm
2nd: 1.97" / 50 mm 0.79" / 20 mm 1.97" / 50 mm
3rd: 0.79" / 20 mm 0.39" / 10 mm -
4th: 0.39" / 10 mm - -
5th: 0.39" / 10 mm - -
- Armour deck: 1.97" / 50 mm, Conning tower: 4.72" / 120 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 75,744 shp / 56,505 Kw = 32.00 kts
Range 8,000nm at 15.00 kts
Bunker at max displacement = 1,741 tons
Complement:
527 - 686
Cost:
£4.357 million / $17.428 million
Distribution of weights at normal displacement:
Armament: 186 tons, 1.7 %
Armour: 2,360 tons, 22.0 %
- Belts: 802 tons, 7.5 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 502 tons, 4.7 %
- Armour Deck: 1,006 tons, 9.4 %
- Conning Tower: 50 tons, 0.5 %
Machinery: 2,074 tons, 19.3 %
Hull, fittings & equipment: 4,446 tons, 41.4 %
Fuel, ammunition & stores: 1,421 tons, 13.2 %
Miscellaneous weights: 260 tons, 2.4 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
17,961 lbs / 8,147 Kg = 174.4 x 5.9 " / 150 mm shells or 2.2 torpedoes
Stability (Unstable if below 1.00): 1.11
Metacentric height 3.1 ft / 0.9 m
Roll period: 15.3 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.39
Seaboat quality (Average = 1.00): 1.28
Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.500
Length to Beam Ratio: 9.74 : 1
'Natural speed' for length: 28.55 kts
Power going to wave formation at top speed: 55 %
Trim (Max stability = 0, Max steadiness = 100): 55
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 1.64 ft / 0.50 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 31.17 ft / 9.50 m
- Forecastle (20 %): 21.33 ft / 6.50 m
- Mid (50 %): 21.33 ft / 6.50 m
- Quarterdeck (15 %): 21.33 ft / 6.50 m
- Stern: 21.33 ft / 6.50 m
- Average freeboard: 22.11 ft / 6.74 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 80.4 %
- Above water (accommodation/working, high = better): 138.5 %
Waterplane Area: 27,632 Square feet or 2,567 Square metres
Displacement factor (Displacement / loading): 130 %
Structure weight / hull surface area: 104 lbs/sq ft or 506 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.96
- Longitudinal: 1.41
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily
30 tons per 15 cm turret reserved for higher-powered motors, high-angle loading equipment, and fusing equipment
30 tons reserved for radar
25 tons reserved for aircraft
40 tons reserved for reload torpedoes
15 tons reserved for future growth
This post has been edited 3 times, last edit by "Hrolf Hakonson" (Sep 27th 2008, 6:37pm)