SMS Blücher II, German Armoured cruiser laid down 1914
Displacement:
12 988 t light; 13 675 t standard; 15 000 t normal; 16 060 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(601,50 ft / 590,55 ft) x 65,62 ft x (30,18 / 31,69 ft)
(183,34 m / 180,00 m) x 20,00 m x (9,20 / 9,66 m)
Armament:
8 - 8,27" / 210 mm 45,0 cal guns - 308,65lbs / 140,00kg shells, 160 per gun
Breech loading guns in turret on barbette mounts, 1914 Model
4 x Twin mounts on centreline ends, evenly spread
2 raised mounts - superfiring
10 - 3,46" / 88,0 mm 45,0 cal guns - 20,97lbs / 9,51kg shells, 250 per gun
Anti-air guns in deck mounts, 1914 Model
6 x Single mounts on centreline, evenly spread
6 raised mounts
4 x Single mounts on sides, evenly spread
10 - 5,91" / 150 mm 45,0 cal guns - 99,87lbs / 45,30kg shells, 250 per gun
Breech loading guns in deck mounts, 1914 Model
10 x Single mounts on sides, evenly spread
Weight of broadside 3 678 lbs / 1 668 kg
Main Torpedoes
4 - 20,0" / 508 mm, 19,69 ft / 6,00 m torpedoes - 1,152 t each, 4,608 t total
In 2 sets of deck mounted carriage/fixed tubes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 8,07" / 205 mm 360,70 ft / 109,94 m 9,71 ft / 2,96 m
Ends: 3,94" / 100 mm 229,82 ft / 70,05 m 9,71 ft / 2,96 m
Upper: 2,95" / 75 mm 360,70 ft / 109,94 m 8,01 ft / 2,44 m
Main Belt covers 94 % of normal length
- Torpedo Bulkhead - Additional damage containing bulkheads:
1,57" / 40 mm 360,70 ft / 109,94 m 24,70 ft / 7,53 m
Beam between torpedo bulkheads 59,61 ft / 18,17 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 7,48" / 190 mm 5,51" / 140 mm 7,87" / 200 mm
3rd: 2,36" / 60 mm 1,18" / 30 mm -
- Armoured deck - multiple decks:
For and Aft decks: 3,15" / 80 mm
Forecastle: 1,18" / 30 mm Quarter deck: 1,18" / 30 mm
- Conning towers: Forward 5,91" / 150 mm, Aft 0,00" / 0 mm
Machinery:
Coal fired boilers, steam turbines,
Geared drive, 4 shafts, 72 873 shp / 54 363 Kw = 29,00 kts
Range 6 700nm at 12,00 kts
Bunker at max displacement = 2 385 tons (100% coal)
Complement:
677 - 881
Cost:
£1,476 million / $5,905 million
Distribution of weights at normal displacement:
Armament: 711 tons, 4,7 %
- Guns: 705 tons, 4,7 %
- Weapons: 6 tons, 0,0 %
Armour: 4 571 tons, 30,5 %
- Belts: 1 862 tons, 12,4 %
- Torpedo bulkhead: 519 tons, 3,5 %
- Armament: 865 tons, 5,8 %
- Armour Deck: 1 247 tons, 8,3 %
- Conning Tower: 77 tons, 0,5 %
Machinery: 3 088 tons, 20,6 %
Hull, fittings & equipment: 4 618 tons, 30,8 %
Fuel, ammunition & stores: 2 012 tons, 13,4 %
Miscellaneous weights: 0 tons, 0,0 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
15 713 lbs / 7 127 Kg = 55,6 x 8,3 " / 210 mm shells or 2,9 torpedoes
Stability (Unstable if below 1.00): 1,08
Metacentric height 3,1 ft / 0,9 m
Roll period: 15,7 seconds
Steadiness - As gun platform (Average = 50 %): 52 %
- Recoil effect (Restricted arc if above 1.00): 0,52
Seaboat quality (Average = 1.00): 1,03
Hull form characteristics:
Hull has rise forward of midbreak,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0,449 / 0,458
Length to Beam Ratio: 9,00 : 1
'Natural speed' for length: 24,30 kts
Power going to wave formation at top speed: 51 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 9,00 degrees
Stern overhang: 6,56 ft / 2,00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 19,46 %, 27,72 ft / 8,45 m, 22,87 ft / 6,97 m
- Forward deck: 20,00 %, 22,87 ft / 6,97 m, 22,87 ft / 6,97 m
- Aft deck: 41,08 %, 11,91 ft / 3,63 m, 11,91 ft / 3,63 m
- Quarter deck: 19,46 %, 11,91 ft / 3,63 m, 11,91 ft / 3,63 m
- Average freeboard: 16,61 ft / 5,06 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 93,9 %
- Above water (accommodation/working, high = better): 107,1 %
Waterplane Area: 24 695 Square feet or 2 294 Square metres
Displacement factor (Displacement / loading): 112 %
Structure weight / hull surface area: 122 lbs/sq ft or 594 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,96
- Longitudinal: 1,44
- Overall: 1,00
Adequate machinery, storage, compartmentation space
Adequate accommodation and workspace room