Enter ship name, Enter country Enter ship type laid down 1912
Displacement:
18,641 t light; 19,470 t standard; 21,790 t normal; 23,646 t full load
Dimensions: Length overall / water x beam x draught
650.00 ft / 650.00 ft x 79.00 ft x 26.00 ft (normal load)
198.12 m / 198.12 m x 24.08 m x 7.92 m
Armament:
12 - 9.00" / 229 mm guns (6x2 guns), 364.50lbs / 165.33kg shells, 1912 Model
Breech loading guns in turrets (on barbettes)
on centreline, evenly spread, 3 raised mounts
12 - 6.00" / 152 mm guns in single mounts, 108.00lbs / 48.99kg shells, 1912 Model
Quick firing guns in casemate mounts
on side, all amidships
12 guns in hull casemates - Limited use in heavy seas
Weight of broadside 5,670 lbs / 2,572 kg
Shells per gun, main battery: 120
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 6.00" / 152 mm 520.00 ft / 158.50 m 17.00 ft / 5.18 m
Ends: 4.00" / 102 mm 130.00 ft / 39.62 m 17.00 ft / 5.18 m
Main Belt covers 123 % of normal length
- Torpedo Bulkhead:
1.50" / 38 mm 520.00 ft / 158.50 m 25.00 ft / 7.62 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 8.00" / 203 mm 5.00" / 127 mm 6.00" / 152 mm
2nd: 4.00" / 102 mm - -
- Armour deck: 2.00" / 51 mm, Conning tower: 8.00" / 203 mm
Machinery:
Oil fired boilers, steam turbines,
Direct drive, 4 shafts, 107,506 shp / 80,199 Kw = 30.00 kts
Range 7,500nm at 15.00 kts
Bunker at max displacement = 4,177 tons
Complement:
896 - 1,165
Cost:
£1.848 million / $7.392 million
Distribution of weights at normal displacement:
Armament: 709 tons, 3.3 %
Armour: 6,128 tons, 28.1 %
- Belts: 2,501 tons, 11.5 %
- Torpedo bulkhead: 722 tons, 3.3 %
- Armament: 1,418 tons, 6.5 %
- Armour Deck: 1,353 tons, 6.2 %
- Conning Tower: 134 tons, 0.6 %
Machinery: 4,287 tons, 19.7 %
Hull, fittings & equipment: 7,519 tons, 34.5 %
Fuel, ammunition & stores: 3,149 tons, 14.4 %
Miscellaneous weights: 0 tons, 0.0 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
26,805 lbs / 12,159 Kg = 73.5 x 9.0 " / 229 mm shells or 3.7 torpedoes
Stability (Unstable if below 1.00): 1.20
Metacentric height 4.9 ft / 1.5 m
Roll period: 14.9 seconds
Steadiness - As gun platform (Average = 50 %): 52 %
- Recoil effect (Restricted arc if above 1.00): 0.47
Seaboat quality (Average = 1.00): 1.05
Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.571
Length to Beam Ratio: 8.23 : 1
'Natural speed' for length: 25.50 kts
Power going to wave formation at top speed: 56 %
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 (20 %): 26.00 ft / 7.92 m
- Mid (67 %): 18.00 ft / 5.49 m
- Quarterdeck (15 %): 18.00 ft / 5.49 m
- Stern: 18.00 ft / 5.49 m
- Average freeboard: 21.72 ft / 6.62 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 119.1 %
- Above water (accommodation/working, high = better): 162.4 %
Waterplane Area: 36,558 Square feet or 3,396 Square metres
Displacement factor (Displacement / loading): 107 %
Structure weight / hull surface area: 137 lbs/sq ft or 669 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.97
- Longitudinal: 1.23
- Overall: 1.00
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is excellent
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Sunday, June 05, 2005
A new take on the GB/CA/1912 design
I recast the GB/CA/1912 design with the armament correctly specified (hopefully), indicating that there are three superfiring twin 9.2in turrets. I was able to reduce the draft slightly, and have a belt that completely covers magazines and machinery spaces. Unlike the triple turret version from May 18th, 2005, this version retains the six twin turret layout with the secondary armament in casemates below the forecastle deck level. The dimensions are now 650ft x 79ft x 26ft. This is the new Springsharp report:
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