Ger/BB/1916, Germany Battleship laid down 1916 (Engine 1927)
Displacement:
61,391 t light; 64,163 t standard; 68,510 t normal; 71,987 t full load
Dimensions: Length overall / water x beam x draught
763.01 ft / 760.00 ft x 132.00 ft x 37.00 ft (normal load)
232.57 m / 231.65 m x 40.23 m x 11.28 m
Armament:
9 - 18.00" / 457 mm guns (3x3 guns), 2,916.00lbs / 1,322.68kg shells, 1916 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, majority forward, all raised mounts - superfiring
24 - 5.00" / 127 mm guns (12x2 guns), 62.50lbs / 28.35kg shells, 1916 Model
Quick firing guns in deck mounts with hoists
on side, evenly spread, all raised mounts
Weight of broadside 27,744 lbs / 12,584 kg
Shells per gun, main battery: 90
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 18.0" / 457 mm 575.00 ft / 175.26 m 17.00 ft / 5.18 m
Ends: Unarmoured
Main Belt covers 116 % of normal length
- Torpedo Bulkhead:
3.00" / 76 mm 575.00 ft / 175.26 m 34.00 ft / 10.36 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 18.0" / 457 mm 10.0" / 254 mm 18.0" / 457 mm
2nd: 2.00" / 51 mm - -
- Armour deck: 8.00" / 203 mm, Conning tower: 12.00" / 305 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 146,312 shp / 109,149 Kw = 27.00 kts
Range 10,000nm at 15.00 kts
Bunker at max displacement = 7,824 tons
Complement:
2,116 - 2,752
Cost:
£9.341 million / $37.364 million
Distribution of weights at normal displacement:
Armament: 3,468 tons, 5.1 %
Armour: 27,475 tons, 40.1 %
- Belts: 7,532 tons, 11.0 %
- Torpedo bulkhead: 2,170 tons, 3.2 %
- Armament: 6,007 tons, 8.8 %
- Armour Deck: 11,332 tons, 16.5 %
- Conning Tower: 433 tons, 0.6 %
Machinery: 4,618 tons, 6.7 %
Hull, fittings & equipment: 25,830 tons, 37.7 %
Fuel, ammunition & stores: 7,119 tons, 10.4 %
Miscellaneous weights: 0 tons, 0.0 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
105,427 lbs / 47,821 Kg = 36.2 x 18.0 " / 457 mm shells or 20.6 torpedoes
Stability (Unstable if below 1.00): 1.06
Metacentric height 8.6 ft / 2.6 m
Roll period: 18.9 seconds
Steadiness - As gun platform (Average = 50 %): 56 %
- Recoil effect (Restricted arc if above 1.00): 0.59
Seaboat quality (Average = 1.00): 1.13
Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.646
Length to Beam Ratio: 5.76 : 1
'Natural speed' for length: 27.57 kts
Power going to wave formation at top speed: 53 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 2.00 degrees
Stern overhang: 2.00 ft / 0.61 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 29.00 ft / 8.84 m
- Forecastle (0 %): 25.00 ft / 7.62 m
- Mid (0 %): 25.00 ft / 7.62 m
- Quarterdeck (15 %): 25.00 ft / 7.62 m
- Stern: 25.00 ft / 7.62 m
- Average freeboard: 25.00 ft / 7.62 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 71.0 %
- Above water (accommodation/working, high = better): 172.3 %
Waterplane Area: 76,569 Square feet or 7,114 Square metres
Displacement factor (Displacement / loading): 106 %
Structure weight / hull surface area: 255 lbs/sq ft or 1,243 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.95
- Longitudinal: 1.62
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
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Wednesday, February 02, 2005
My answer to the GB/BB/1914: the Ger/BB/1916
I would have built these in numbers to contest the North Sea and Channel against what the British were building. This is the original concept, with 9-18in BLR and 24-5in QF guns. It has the thick armor, as in the original, but higher speed. I wanted a good mix of stability, hull strength, and seakeeping ability, and this is what resulted (from my 1971 notes):
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