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Thursday, April 19, 2007

Super Lion, with the "Lion" look

A prominent member of Wesworld suggested to me that I should have my Super Lion look like the Lion of 1909. Since Admiral Fisher had recommended to Winston Churchill that the Super Lion have 10-15in guns, a 30 knot speed, and limited armour, I have used those in my Springsharp 3.0b1 Beta design. I wanted to use lighter weight machinery, so I needed to use geared turbines, because of what I consider to be a bug in the Springsharp Beta. I have one photo of the class that has that look to it:

This is the Springsharp report:
Super Lion (Lion look), Great Britain Battlecruiser laid down 1912 (Engine 1917)

Displacement:
 36,415 t light; 38,346 t standard; 42,707 t normal; 46,195 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
 (819.00 ft / 812.00 ft) x 104.00 ft x (30.00 / 32.00 ft)
 (249.63 m / 247.50 m) x 31.70 m  x (9.14 / 9.75 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
      14 - 6.00" / 152 mm 50.0 cal guns - 100.00lbs / 45.36kg shells, 150 per gun
   Quick firing guns in casemate mounts , 1912 Model
   14 x Single mounts on sides, evenly spread
  14 hull mounts in casemates- Limited use in heavy seas
 Weight of broadside 20,600 lbs / 20,600 kg

Armour:
   - Belts:  Width (max) Length (avg)  Height (avg)
 Main: 6.00" / 152 mm 515.00 ft / 156.97 m 16.00 ft / 4.88 m
 Ends: 4.00" / 102 mm 290.00 ft / 88.39 m 16.00 ft / 4.88 m
   7.00 ft / 2.13 m Unarmoured ends
   Main Belt covers 98 % of normal length

   - Torpedo Bulkhead:
  2.00" / 51 mm 515.00 ft / 156.97 m 30.00 ft / 9.14 m

   - Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
 Main: 8.00" / 203 mm 5.00" / 127 mm  8.00" / 203 mm
 2nd: 6.00" / 152 mm 4.00" / 102 mm  6.00" / 152 mm

   - Armour deck: 3.50" / 89 mm, Conning tower: 8.00" / 203 mm

Machinery:
 Oil fired boilers, steam turbines, 
 Geared drive, 4 shafts, 152,507 shp / 113,770 Kw = 30.00 kts
 Range 7,500nm at 18.00 kts
 Bunker at max displacement = 7,849 tons

Complement:
 1,485 - 1,931

Cost:
 £3.565 million / $14.260 million

Distribution of weights at normal displacement:
 Armament: 2,838 tons, 6.6 %
 Armour: 11,110 tons, 26.0 %
    - Belts: 2,813 tons, 6.6 %
    - Torpedo bulkhead: 1,143 tons, 2.7 %
    - Armament: 2,981 tons, 7.0 %
    - Armour Deck: 3,962 tons, 9.3 %
    - Conning Tower: 211 tons, 0.5 %
 Machinery: 5,590 tons, 13.1 %
 Hull, fittings & equipment: 17,920 tons, 42.0 %
 Fuel, ammunition & stores: 6,291 tons, 14.7 %
 Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
 Survivability (Non-critical penetrating hits needed to sink ship):
   68,047 lbs / 30,866 Kg = 40.3 x 15.0 " / 381 mm shells or 9.2 torpedoes
 Stability (Unstable if below 1.00): 1.20
 Metacentric height 7.5 ft / 2.3 m
 Roll period: 16.0 seconds
 Steadiness - As gun platform (Average = 50 %): 65 %
   - Recoil effect (Restricted arc if above 1.00): 0.92
 Seaboat quality  (Average = 1.00): 1.29

Hull form characteristics:
 Hull has low quarterdeck ,
   a ram bow and a cruiser stern
 Block coefficient (normal/deep): 0.590 / 0.598
 Length to Beam Ratio: 7.81 : 1
 'Natural speed' for length: 28.50 kts
 Power going to wave formation at top speed: 51 %
 Trim (Max stability = 0, Max steadiness = 100): 50
 Bow angle (Positive = bow angles forward): -4.00 degrees
 Stern overhang: -3.00 ft / -0.91 m
 Freeboard (% = length of deck as a percentage of waterline length):
    Fore end,  Aft end
    - Forecastle: 20.00 %,  32.00 ft / 9.75 m,  29.00 ft / 8.84 m
    - Forward deck: 30.00 %,  29.00 ft / 8.84 m,  29.00 ft / 8.84 m
    - Aft deck: 15.00 %,  29.00 ft / 8.84 m,  29.00 ft / 8.84 m
    - Quarter deck: 35.00 %,  21.00 ft / 6.40 m,  23.00 ft / 7.01 m
    - Average freeboard:  26.79 ft / 8.17 m

Ship space, strength and comments:
 Space - Hull below water (magazines/engines, low = better): 93.1 %
  - Above water (accommodation/working, high = better): 227.6 %
 Waterplane Area: 61,189 Square feet or 5,685 Square metres
 Displacement factor (Displacement / loading): 117 %
 Structure weight / hull surface area: 205 lbs/sq ft or 1,000 Kg/sq metre
 Hull strength (Relative):
  - Cross-sectional: 0.96
  - Longitudinal: 1.37
  - Overall: 1.00
 Hull space for machinery, storage, compartmentation is adequate
 Room for accommodation and workspaces is excellent
 Good seaboat, rides out heavy weather easily

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