Super Lion (Alternative), Great Britain Battlecruiser laid down 1912
Displacement:
34,512 t light; 36,219 t standard; 39,566 t normal; 42,243 t full load
Dimensions: Length overall / water x beam x draught
750.00 ft / 750.00 ft x 100.00 ft x 32.00 ft (normal load)
228.60 m / 228.60 m x 30.48 m x 9.75 m
Armament:
4 - 15.00" / 381 mm guns (2x2 guns), 1,920.00lbs / 870.90kg shells, 1912 Model
Breech loading guns in turrets (on barbettes)
on centreline, evenly spread, 1 raised mount
2 - 15.00" / 381 mm guns (1x2 guns), 1,920.00lbs / 870.90kg shells, 1912 Model
Breech loading guns in a turret (on a barbette)
on centreline amidships
4 - 15.00" / 381 mm guns (2x2 guns), 1,920.00lbs / 870.90kg shells, 1912 Model
Breech loading guns in turrets (on barbettes)
on centreline, all aft, 1 raised mount - superfiring
16 - 4.00" / 102 mm guns in single mounts, 32.00lbs / 14.51kg shells, 1912 Model
Quick firing guns in casemate mounts
on side, evenly spread
Weight of broadside 19,712 lbs / 8,941 kg
Shells per gun, main battery: 80
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 7.00" / 178 mm 530.00 ft / 161.54 m 17.00 ft / 5.18 m
Ends: 4.00" / 102 mm 220.00 ft / 67.06 m 17.00 ft / 5.18 m
Main Belt covers 109 % of normal length
Main belt does not fully cover magazines and engineering spaces
- Torpedo Bulkhead:
1.50" / 38 mm 530.00 ft / 161.54 m 27.00 ft / 8.23 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 9.00" / 229 mm 6.00" / 152 mm 8.00" / 203 mm
2nd: 9.00" / 229 mm 6.00" / 152 mm 8.00" / 203 mm
3rd: 9.00" / 229 mm 6.00" / 152 mm 8.00" / 203 mm
4th: 2.00" / 51 mm - -
- Armour deck: 2.50" / 64 mm, Conning tower: 9.00" / 229 mm
Machinery:
Oil fired boilers, steam turbines,
Direct drive, 4 shafts, 149,039 shp / 111,183 Kw = 30.00 kts
Range 7,500nm at 15.00 kts
Bunker at max displacement = 6,024 tons
Complement:
1,402 - 1,823
Cost:
£3.866 million / $15.462 million
Distribution of weights at normal displacement:
Armament: 2,173 tons, 5.5 %
Armour: 9,175 tons, 23.2 %
- Belts: 3,219 tons, 8.1 %
- Torpedo bulkhead: 794 tons, 2.0 %
- Armament: 2,454 tons, 6.2 %
- Armour Deck: 2,483 tons, 6.3 %
- Conning Tower: 225 tons, 0.6 %
Machinery: 5,943 tons, 15.0 %
Hull, fittings & equipment: 17,221 tons, 43.5 %
Fuel, ammunition & stores: 5,054 tons, 12.8 %
Miscellaneous weights: 0 tons, 0.0 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
44,820 lbs / 20,330 Kg = 26.6 x 15.0 " / 381 mm shells or 5.6 torpedoes
Stability (Unstable if below 1.00): 1.14
Metacentric height 6.4 ft / 1.9 m
Roll period: 16.7 seconds
Steadiness - As gun platform (Average = 50 %): 52 %
- Recoil effect (Restricted arc if above 1.00): 0.84
Seaboat quality (Average = 1.00): 1.03
Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.577
Length to Beam Ratio: 7.50 : 1
'Natural speed' for length: 27.39 kts
Power going to wave formation at top speed: 54 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 0.00 degrees
Stern overhang: -2.00 ft / -0.61 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 31.00 ft / 9.45 m
- Forecastle (20 %): 25.00 ft / 7.62 m
- Mid (73 %): 25.00 ft / 7.62 m (17.00 ft / 5.18 m aft of break)
- Quarterdeck (15 %): 17.00 ft / 5.18 m
- Stern: 17.00 ft / 5.18 m
- Average freeboard: 23.32 ft / 7.11 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 112.4 %
- Above water (accommodation/working, high = better): 171.6 %
Waterplane Area: 53,685 Square feet or 4,987 Square metres
Displacement factor (Displacement / loading): 103 %
Structure weight / hull surface area: 223 lbs/sq ft or 1,090 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.96
- Longitudinal: 1.48
- Overall: 1.00
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is excellent
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Friday, May 27, 2005
The Red Admiral showed me a thing or two
The Red Admiral, from WesWorld, sent me his SpringSharp report for a Super Lion design. He also asked me why my gun layouts were strange (all superfiring). I studied his design and experimented with SpringSharp. I also am embarrassed to admit that I hadn't realized that you were supposed to change the shell weight to what you really wanted, not just accept the default value. This is my revised Super Lion SpringSharp report, which is still strange, but is better than what I had (I hope):
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