GB/CB/1915 Super Lion, Great Britain Battlecruiser laid down 1915 (Engine 1919)
Displacement:
42,088 t light; 44,118 t standard; 47,086 t normal; 49,460 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(860.06 ft / 855.00 ft) x 105.00 ft x (29.00 / 30.23 ft)
(262.15 m / 260.60 m) x 32.00 m x (8.84 / 9.21 m)
Armament:
10 - 15.00" / 381 mm 42.0 cal guns - 1,950.00lbs / 884.51kg shells, 90 per gun
Breech loading guns in turret on barbette mounts, 1915 Model
4 x Twin mounts on centreline ends, evenly spread
2 raised mounts - superfiring
1 x Twin mount on centreline, aft deck forward
16 - 5.50" / 140 mm 50.0 cal guns - 85.00lbs / 38.56kg shells, 150 per gun
Quick firing guns in deck and hoist mount, 1915 Model
1 x Single mount on sides amidships
4 raised mounts
Weight of broadside 20,860 lbs / 9,462 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 8.00" / 203 mm 535.00 ft / 163.07 m 9.00 ft / 2.74 m
Ends: 4.00" / 102 mm 320.00 ft / 97.54 m 12.00 ft / 3.66 m
Upper: 5.00" / 127 mm 535.00 ft / 163.07 m 9.00 ft / 2.74 m
Main Belt covers 96 % of normal length
Main belt does not fully cover magazines and engineering spaces
- Torpedo Bulkhead:
2.00" / 51 mm 535.00 ft / 163.07 m 29.00 ft / 8.84 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 10.0" / 254 mm 7.00" / 178 mm 10.0" / 254 mm
2nd: 5.00" / 127 mm 3.00" / 76 mm 5.00" / 127 mm
- Armoured deck - multiple decks: 3.00" / 76 mm For and Aft decks
Forecastle: 3.00" / 76 mm Quarter deck: 3.00" / 76 mm
- Conning towers: Forward 10.00" / 254 mm, Aft 0.00" / 0 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 235,775 shp / 175,888 Kw = 33.00 kts
Range 6,500nm at 16.00 kts
Bunker at max displacement = 5,341 tons
Complement:
1,597 - 2,077
Cost:
£6.135 million / $24.539 million
Distribution of weights at normal displacement:
Armament: 2,953 tons, 6.3 %
Armour: 11,629 tons, 24.7 %
- Belts: 3,234 tons, 6.9 %
- Torpedo bulkhead: 1,148 tons, 2.4 %
- Armament: 3,181 tons, 6.8 %
- Armour Deck: 3,785 tons, 8.0 %
- Conning Tower: 281 tons, 0.6 %
Machinery: 8,373 tons, 17.8 %
Hull, fittings & equipment: 19,133 tons, 40.6 %
Fuel, ammunition & stores: 4,998 tons, 10.6 %
Miscellaneous weights: 0 tons, 0.0 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
61,615 lbs / 27,948 Kg = 36.5 x 15.0 " / 381 mm shells or 7.5 torpedoes
Stability (Unstable if below 1.00): 1.15
Metacentric height 7.0 ft / 2.1 m
Roll period: 16.6 seconds
Steadiness - As gun platform (Average = 50 %): 53 %
- Recoil effect (Restricted arc if above 1.00): 0.89
Seaboat quality (Average = 1.00): 1.06
Hull form characteristics:
Hull has rise forward of midbreak,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.633 / 0.638
Length to Beam Ratio: 8.14 : 1
'Natural speed' for length: 29.24 kts
Power going to wave formation at top speed: 55 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 8.00 degrees
Stern overhang: -2.00 ft / -0.61 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 30.00 %, 36.00 ft / 10.97 m, 30.00 ft / 9.14 m
- Forward deck: 42.00 %, 30.00 ft / 9.14 m, 30.00 ft / 9.14 m
- Aft deck: 13.00 %, 22.00 ft / 6.71 m, 22.00 ft / 6.71 m
- Quarter deck: 15.00 %, 22.00 ft / 6.71 m, 22.00 ft / 6.71 m
- Average freeboard: 28.48 ft / 8.68 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 109.2 %
- Above water (accommodation/working, high = better): 227.0 %
Waterplane Area: 67,705 Square feet or 6,290 Square metres
Displacement factor (Displacement / loading): 109 %
Structure weight / hull surface area: 210 lbs/sq ft or 1,026 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.98
- Longitudinal: 1.24
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
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Monday, August 13, 2007
A Hood-like Super Lion
If we were building Super Lion battlecruiser, then our emergency war program for 1915 should include such a ship, albeit one that is Hood-like. I wanted 10-15in/42, 16-5.5in QF, an 8 inch belt, and 33 knots of speed. This is such a ship:
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