Kamerun class, Germany Colonial Battlecruiser laid down 1918
Displacement:
24.335 t light; 25.606 t standard; 27.105 t normal; 28.304 t full load
Dimensions: Length overall / water x beam x draught
672,57 ft / 672,57 ft x 89,57 ft x 26,25 ft (normal load)
205,00 m / 205,00 m x 27,30 m x 8,00 m
Armament:
8 - 12,01" / 305 mm guns (4x2 guns), 865,70lbs / 392,68kg shells, 1908 Model
Breech loading guns in Coles/Ericsson turrets
on centreline ends, evenly spread, 2 raised mounts
12 - 5,91" / 150 mm guns in single mounts, 102,98lbs / 46,71kg shells, 1906 Model
Quick firing guns in casemate mounts
on side, evenly spread
8 - 4,13" / 105 mm guns in single mounts, 37,48lbs / 17,00kg shells, 1906 Model
Quick firing guns in deck mounts
on side, all amidships
8 - 0,79" / 20,0 mm guns in single mounts, 0,33lbs / 0,15kg shells, 1918 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 8.464 lbs / 3.839 kg
Shells per gun, main battery: 150
8 - 19,7" / 500 mm above water torpedoes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 5,91" / 150 mm 437,17 ft / 133,25 m 11,38 ft / 3,47 m
Ends: 3,15" / 80 mm 235,37 ft / 71,74 m 11,38 ft / 3,47 m
Upper: 1,97" / 50 mm 437,17 ft / 133,25 m 8,01 ft / 2,44 m
Main Belt covers 100% of normal length
- Torpedo Bulkhead:
1,97" / 50 mm 437,17 ft / 133,25 m 24,74 ft / 7,54 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 10,6" / 270 mm 8,66" / 220 mm -
3rd: 1,97" / 50 mm - -
- Armour deck: 1,97" / 50 mm, Conning tower: 7,87" / 200 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 3 shafts, 94.738 shp / 70.675 Kw = 28,00 kts
Range 6.000nm at 14,00 kts
Bunker at max displacement = 2.698 tons
Complement:
1.056 - 1.373
Cost:
£4,434 million / $17,736 million
Distribution of weights at normal displacement:
Armament: 1.056 tons, 3,9%
Armour: 8.484 tons, 31,3%
- Belts: 1.873 tons, 6,9%
- Torpedo bulkhead: 788 tons, 2,9%
- Armament: 4.066 tons, 15,0%
- Armour Deck: 1.604 tons, 5,9%
- Conning Tower: 153 tons, 0,6%
Machinery: 3.418 tons, 12,6%
Hull, fittings & equipment: 10.878 tons, 40,1%
Fuel, ammunition & stores: 2.770 tons, 10,2%
Miscellaneous weights: 500 tons, 1,8%
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
38.559 lbs / 17.490 Kg = 44,5 x 12,0 " / 305 mm shells or 5,9 torpedoes
Stability (Unstable if below 1.00): 1,01
Metacentric height 4,3 ft / 1,3 m
Roll period: 18,1 seconds
Steadiness - As gun platform (Average = 50 %): 52 %
- Recoil effect (Restricted arc if above 1.00): 0,65
Seaboat quality (Average = 1.00): 1,04
Hull form characteristics:
Hull has low forecastle, rise aft of midbreak
Block coefficient: 0,600
Length to Beam Ratio: 7,51 : 1
'Natural speed' for length: 25,93 kts
Power going to wave formation at top speed: 53 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 0,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 27,46 ft / 8,37 m
- Forecastle (20%): 17,49 ft / 5,33 m (32,81 ft / 10,00 m aft of break)
- Mid (50%): 17,49 ft / 5,33 m (26,25 ft / 8,00 m aft of break)
- Quarterdeck (15%): 17,49 ft / 5,33 m
- Stern: 17,49 ft / 5,33 m
- Average freeboard: 22,12 ft / 6,74 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 94,9%
- Above water (accommodation/working, high = better): 170,9%
Waterplane Area: 44.059 Square feet or 4.093 Square metres
Displacement factor (Displacement / loading): 112%
Structure weight / hull surface area: 174 lbs/sq ft or 850 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,98
- Longitudinal: 1,19
- Overall: 1,00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent