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
This is a forum for discussion of topics relating to the Dreadnought era, prior to the ascendency of naval aviation. We will be discussing history, ship design, and naval wargaming.
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:
No comments:
Post a Comment