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Monday, April 16, 2007

I have this smaller Super Lion design

The "Red Book" has a smaller, 750ft, Super Lion design:

I did a Springsharp 3.0b1 Beta design with those specifications (Springsharp forced me to use geared turbines to remove an error):
GB/CB/1912 compact Super Lion, Great Britain Battlecruiser laid down 1912 (Engine 1918)

Displacement:
 31,995 t light; 33,679 t standard; 36,229 t normal; 38,269 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
 (757.00 ft / 750.00 ft) x 100.00 ft x (29.00 / 30.32 ft)
 (230.73 m / 228.60 m) x 30.48 m  x (8.84 / 9.24 m)

Armament:
      10 - 15.00" / 381 mm 42.0 cal guns - 1,920.00lbs / 870.90kg shells, 90 per gun
   Breech loading guns in turret on barbette mounts , 1912 Model
   4 x Twin mounts on centreline ends, majority forward
  2 raised mounts - superfiring
   1 x Twin mount on centreline, aft deck forward
 Weight of broadside 19,200 lbs / 19,200 kg

Armour:
   - Belts:  Width (max) Length (avg)  Height (avg)
 Main: 8.00" / 203 mm 510.00 ft / 155.45 m 8.00 ft / 2.44 m
 Ends: Unarmoured
 Upper: 6.00" / 152 mm 510.00 ft / 155.45 m 8.00 ft / 2.44 m
   Main Belt covers 105 % of normal length

   - Torpedo Bulkhead:
  1.50" / 38 mm 510.00 ft / 155.45 m 28.90 ft / 8.81 m

   - Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
 Main: 8.00" / 203 mm 6.00" / 152 mm  8.00" / 203 mm

   - Armour deck: 3.00" / 76 mm, Conning tower: 8.00" / 203 mm

Machinery:
 Oil fired boilers, steam turbines, 
 ERROR: Revise drives, 4 shafts, 142,096 shp / 106,004 Kw = 30.00 kts
 Range 7,500nm at 15.00 kts
 Bunker at max displacement = 4,590 tons

Complement:
 1,312 - 1,706

Cost:
 £3.261 million / $13.045 million

Distribution of weights at normal displacement:
 Armament: 2,535 tons, 7.0 %
 Armour: 9,117 tons, 25.2 %
    - Belts: 2,433 tons, 6.7 %
    - Torpedo bulkhead: 818 tons, 2.3 %
    - Armament: 2,681 tons, 7.4 %
    - Armour Deck: 2,996 tons, 8.3 %
    - Conning Tower: 189 tons, 0.5 %
 Machinery: 5,126 tons, 14.1 %
 Hull, fittings & equipment: 16,057 tons, 44.3 %
 Fuel, ammunition & stores: 4,234 tons, 11.7 %
 Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
 Survivability (Non-critical penetrating hits needed to sink ship):
   52,128 lbs / 23,645 Kg = 30.9 x 15.0 " / 381 mm shells or 6.7 torpedoes
 Stability (Unstable if below 1.00): 1.19
 Metacentric height 6.9 ft / 2.1 m
 Roll period: 16.0 seconds
 Steadiness - As gun platform (Average = 50 %): 52 %
   - Recoil effect (Restricted arc if above 1.00): 0.96
 Seaboat quality  (Average = 1.00): 1.17

Hull form characteristics:
 Hull has low quarterdeck ,
   a ram bow and a cruiser stern
 Block coefficient (normal/deep): 0.583 / 0.589
 Length to Beam Ratio: 7.50 : 1
 'Natural speed' for length: 27.39 kts
 Power going to wave formation at top speed: 53 %
 Trim (Max stability = 0, Max steadiness = 100): 44
 Bow angle (Positive = bow angles forward): -3.00 degrees
 Stern overhang: -2.00 ft / -0.61 m
 Freeboard (% = length of deck as a percentage of waterline length):
    Fore end,  Aft end
    - Forecastle: 25.00 %,  32.00 ft / 9.75 m,  28.00 ft / 8.53 m
    - Forward deck: 30.00 %,  28.00 ft / 8.53 m,  27.00 ft / 8.23 m
    - Aft deck: 12.00 %,  27.00 ft / 8.23 m,  27.00 ft / 8.23 m
    - Quarter deck: 33.00 %,  19.00 ft / 5.79 m,  21.00 ft / 6.40 m
    - Average freeboard:  25.49 ft / 7.77 m

Ship space, strength and comments:
 Space - Hull below water (magazines/engines, low = better): 102.4 %
  - Above water (accommodation/working, high = better): 214.4 %
 Waterplane Area: 53,988 Square feet or 5,016 Square metres
 Displacement factor (Displacement / loading): 110 %
 Structure weight / hull surface area: 208 lbs/sq ft or 1,016 Kg/sq metre
 Hull strength (Relative):
  - Cross-sectional: 0.95
  - Longitudinal: 1.51
  - Overall: 1.00
 Hull space for machinery, storage, compartmentation is adequate
 Room for accommodation and workspaces is excellent

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