GB/BB/1908, Great Britain Battleship laid down 1908 (Engine 1917)
Displacement:
25,937 t light; 27,011 t standard; 29,298 t normal; 31,128 t full load
Dimensions: Length overall / water x beam x draught
650.00 ft / 650.00 ft x 100.00 ft x 29.00 ft (normal load)
198.12 m / 198.12 m x 30.48 m x 8.84 m
Armament:
9 - 12.00" / 305 mm guns (3x3 guns), 864.00lbs / 391.90kg shells, 1908 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, majority forward, all raised mounts - superfiring
8 - 6.00" / 152 mm guns in single mounts, 108.00lbs / 48.99kg shells, 1908 Model
Quick firing guns in deck mounts with hoists
on side, all amidships, all raised mounts - superfiring
Weight of broadside 8,640 lbs / 3,919 kg
Shells per gun, main battery: 100
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 13.0" / 330 mm 430.00 ft / 131.06 m 17.00 ft / 5.18 m
Ends: Unarmoured
Main Belt covers 102 % of normal length
- Torpedo Bulkhead:
2.00" / 51 mm 430.00 ft / 131.06 m 27.00 ft / 8.23 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 13.0" / 330 mm 7.00" / 178 mm 13.0" / 330 mm
2nd: 2.00" / 51 mm - -
- Armour deck: 4.00" / 102 mm, Conning tower: 9.00" / 229 mm
Machinery:
Oil fired boilers, steam turbines,
Direct drive, 4 shafts, 63,971 shp / 47,722 Kw = 25.00 kts
Range 7,500nm at 15.00 kts
Bunker at max displacement = 4,117 tons
Complement:
1,119 - 1,455
Cost:
£2.143 million / $8.573 million
Distribution of weights at normal displacement:
Armament: 1,080 tons, 3.7 %
Armour: 11,160 tons, 38.1 %
- Belts: 4,118 tons, 14.1 %
- Torpedo bulkhead: 859 tons, 2.9 %
- Armament: 2,660 tons, 9.1 %
- Armour Deck: 3,338 tons, 11.4 %
- Conning Tower: 184 tons, 0.6 %
Machinery: 2,345 tons, 8.0 %
Hull, fittings & equipment: 11,352 tons, 38.7 %
Fuel, ammunition & stores: 3,361 tons, 11.5 %
Miscellaneous weights: 0 tons, 0.0 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
50,076 lbs / 22,714 Kg = 58.0 x 12.0 " / 305 mm shells or 10.0 torpedoes
Stability (Unstable if below 1.00): 1.03
Metacentric height 5.3 ft / 1.6 m
Roll period: 18.2 seconds
Steadiness - As gun platform (Average = 50 %): 83 %
- Recoil effect (Restricted arc if above 1.00): 0.54
Seaboat quality (Average = 1.00): 1.66
Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.544
Length to Beam Ratio: 6.50 : 1
'Natural speed' for length: 25.50 kts
Power going to wave formation at top speed: 48 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): -1.00 degrees
Stern overhang: -1.00 ft / -0.30 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 31.00 ft / 9.45 m
- Forecastle (67 %): 28.00 ft / 8.53 m
- Mid (67 %): 28.00 ft / 8.53 m (19.00 ft / 5.79 m aft of break)
- Quarterdeck (15 %): 19.00 ft / 5.79 m
- Stern: 19.00 ft / 5.79 m
- Average freeboard: 25.83 ft / 7.87 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 68.2 %
- Above water (accommodation/working, high = better): 145.9 %
Waterplane Area: 45,109 Square feet or 4,191 Square metres
Displacement factor (Displacement / loading): 120 %
Structure weight / hull surface area: 174 lbs/sq ft or 850 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.94
- Longitudinal: 1.83
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather
Amazon Ad
Sunday, March 13, 2005
The GB/BB/1908 battleship design (Hindustan)
My friend Cliff's 1908 battleship design had three triple 12in gun turrets. The maximum speed was 25 knots with the armor basis being 13in. The ship was intended to fill the battleship-cruiser role. Hopefully, there are no glaring errors that I'm not seeing. This is the Springsharp report:
Subscribe to:
Post Comments (Atom)


No comments:
Post a Comment