Braunschweig, german battleship laid down 1901 (Engine 1902)
Displacement:
14 958 t light; 15 856 t standard; 17 247 t normal; 18 360 t full load
Dimensions: Length overall / water x beam x draught
502,36 ft / 502,36 ft x 79,79 ft x 25,79 ft (normal load)
153,12 m / 153,12 m x 24,32 m x 7,86 m
Armament:
8 - 11,02" / 280 mm guns (4x2 guns), 669,80lbs / 303,82kg shells, 1901 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread, 2 raised mounts - superfiring
14 - 6,69" / 170 mm guns in single mounts, 149,90lbs / 67,99kg shells, 1901 Model
Breech loading guns in casemate mounts
on side, all amidships
10 guns in hull casemates - Limited use in heavy seas
12 - 3,46" / 88,0 mm guns in single mounts, 20,79lbs / 9,43kg shells, 1901 Model
Quick firing guns in casemate mounts
on side, evenly spread
8 guns in hull casemates - Limited use in heavy seas
8 - 3,46" / 88,0 mm guns in single mounts, 20,79lbs / 9,43kg shells, 1901 Model
Quick firing guns in deck mounts with hoists
on side, all amidships, all raised mounts - superfiring
Weight of broadside 7 873 lbs / 3 571 kg
Shells per gun, main battery: 120
6 - 17,7" / 450 mm submerged torpedo tubes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 11,0" / 280 mm 258,46 ft / 78,78 m 10,01 ft / 3,05 m
Ends: 7,87" / 200 mm 134,78 ft / 41,08 m 10,01 ft / 3,05 m
109,12 ft / 33,26 m Unarmoured ends
Main Belt covers 79% of normal length
Main belt does not fully cover magazines and engineering spaces
- Torpedo Bulkhead:
1,57" / 40 mm 149,41 ft / 45,54 m 22,51 ft / 6,86 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 11,0" / 280 mm 7,87" / 200 mm 11,0" / 280 mm
2nd: 5,91" / 150 mm - -
3rd: 3,94" / 100 mm - -
4th: 0,98" / 25 mm - -
- Armour deck: 1,97" / 50 mm, Conning tower: 11,81" / 300 mm
Machinery:
Coal fired boilers, complex reciprocating steam engines,
Direct drive, 3 shafts, 17 710 ihp / 13 211 Kw = 19,00 kts
Range 6 000nm at 11,00 kts
Bunker at max displacement = 2 503 tons (100% coal)
Complement:
752 - 978
Cost:
£1,726 million / $6,903 million
Distribution of weights at normal displacement:
Armament: 984 tons, 5,7%
Armour: 5 155 tons, 29,9%
- Belts: 1 715 tons, 9,9%
- Torpedo bulkhead: 196 tons, 1,1%
- Armament: 2 022 tons, 11,7%
- Armour Deck: 1 052 tons, 6,1%
- Conning Tower: 170 tons, 1,0%
Machinery: 2 683 tons, 15,6%
Hull, fittings & equipment: 6 135 tons, 35,6%
Fuel, ammunition & stores: 2 289 tons, 13,3%
Miscellaneous weights: 0 tons, 0,0%
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
16 658 lbs / 7 556 Kg = 24,9 x 11,0 " / 280 mm shells or 2,5 torpedoes
Stability (Unstable if below 1.00): 1,12
Metacentric height 4,4 ft / 1,4 m
Roll period: 15,9 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0,65
Seaboat quality (Average = 1.00): 1,41
Hull form characteristics:
Hull has a flush deck
Block coefficient: 0,584
Length to Beam Ratio: 6,30 : 1
'Natural speed' for length: 22,41 kts
Power going to wave formation at top speed: 42 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): -14,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 19,26 ft / 5,87 m
- Forecastle (18%): 17,06 ft / 5,20 m
- Mid (50%): 17,06 ft / 5,20 m
- Quarterdeck (16%): 17,06 ft / 5,20 m
- Stern: 17,06 ft / 5,20 m
- Average freeboard: 17,22 ft / 5,25 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 132,5%
- Above water (accommodation/working, high = better): 124,8%
Waterplane Area: 28 881 Square feet or 2 683 Square metres
Displacement factor (Displacement / loading): 94%
Structure weight / hull surface area: 150 lbs/sq ft or 732 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,95
- Longitudinal: 1,47
- Overall: 1,00
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily
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