Hey guys, long time no see. Anyways, what do you guys think of my Lion-class battleship design?
This is the largest and best armored design I could come up with within the 45,000 tons (standard) "escalator clause" in the 1936 London Naval Treaty.
Compare mine with the actual design:
http://en.wikipedia.org/wiki/Lion_class_battleship
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Lion Class, Great Britain Fast Battleships laid down 1940
Units in Class: HMS Lion, HMS Temeraire, HMS Conqueror, HMS Thunderer
Displacement: 41,114 t light; 44,105 t standard; 47,000 t normal; 49,316 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(793.00 ft / 782.00 ft) x 110.00 ft x (32.00 ft / 33.26 ft)
(241.71 m / 238.35 m) x 33.53 m x (9.75 m / 10.14 m)
Armament:
9 – BL 16" / 45.0 cal naval guns – 2,048 lbs / 929 kg shells, 150 per gun
3 x 3-gun mounts on centerline ends, majority forward
1 raised mount - superfiring
16 – QF 5.25" / 39.0 cal guns – 80 lbs / 36.3 kg shells, 1,000 per gun
Dual-Purpose (DP) guns in deck and hoist mounts
10 x 2-gun mounts on sides, evenly spread
4 raised mounts
40 – QF 2-pounder AA guns – 2.14 lbs / 0.97 kg shells, 3,000 per gun
AA guns in deck and hoist mounts
10 x 2 row quad mounts on sides, evenly spread
4 raised mounts
Weight of main battery broadside = 18,432 lbs
Armor:
- Belts: Width (max) Length (avg) Height (avg)
Main: 16.5" / 419 mm 508.30 ft / 154.93 m 20.00 ft / 6.10 m
Upper: 3.50" / 89 mm 508.30 ft / 154.93 m 12.00 ft / 3.66 m
Main Belt covers 100 % of normal length
Main Belt inclined 15.00 degrees (positive = in)
- Torpedo Bulkhead - Strengthened structural bulkheads:
3.50" / 89 mm 508.30 ft / 154.93 m 32.00 ft / 9.14 m
Beam between torpedo bulkheads 96.00 ft / 29.26 m
- Gun Armor: Face (max) Other Gunhouse (avg) Barbette / Hoist (max)
Main: 16.0" / 406 mm 13.0" / 330 mm 15.0" / 381 mm
2nd: 2.00" / 51 mm - 1.00" / 25 mm
3rd: 0.50" / 13 mm - -
- Box over machinery and magazines:
Fore and Aft decks: 6.50" / 165 mm
Forecastle: 3.25" / 83 mm
Quarter deck: 3.25" / 83 mm
- Conning Tower: 18.00" / 457 mm
Machinery:
• Oil fired boilers, steam turbines
• Geared drive, 4 shafts, 120,000 shp = 28.2 knots
• Range 15,000nm @ 12 knots
• Bunker at normal / max displacement = 2,895 tons / 5,210 tons (fuel oil)
Complement: 1,595 - 2,074 (planned 1600 +80 as flagship)
Cost: £22.383 million / $89.533 million
Distribution of weights at normal displacement:
• Armament: 4,065 tons, 8.6 %
o Guns: 4,065 tons, 8.6 %
• Armor: 18,136 tons, 38.6 %
o Belts: 8,159 tons, 17.4 %
o Torpedo Bulkhead: 2,106 tons, 4.5 %
o Armament: 4,378 tons, 9.3 %
o Armor Deck: 2,976 tons, 6.3 %
o Conning Tower: 505 tons, 1.1 %
• Machinery: 3,209 tons, 6.8 %
• Hull, Fittings & Equipment: 15,225 tons, 32.4 %
• Fuel, Ammunition & Stores: 5,886 tons, 12.5 %
• Miscellaneous Weights: 750 tons, 1.6 %
o Hull below water: 300 tons
o Hull above water: 200 tons
o On freeboard deck: 200 tons
o Above deck: 50 tons
Overall Survivability and Seakeeping Ability:
• Survivability (Non-critical penetrating hits needed to sink ship):
o 79,778 lbs / 36,187 kg = 39.0 x 16" shells or 14.3 torpedoes
• Stability (Unstable if below 1.00): 1.15
• Metacentric Height (GM): 7.5 ft / 2.3 m
• Roll Period: 16.8 seconds
• Steadiness - As gun platform (Average = 50 %): 63 %
- Recoil effect (Restricted arc if above 1.00): 0.69
• Seaboat Quality (Average = 1.00): 1.36
Hull Form Characteristics:
• Hull has a flush deck, a normal bow and small transom stern
• Block coefficient (normal/deep): 0.598 / 0.603
• Length to Beam Ratio: 7.11 : 1
• Hull Speed: 37.47 knots
• Power going to wave formation at top speed: 50 %
• Trim (Max stability = 0, Max steadiness = 100): 46
• Bow Angle (Positive = bow angles forward): 10.62 degrees
• Stern Overhang: 5.00 ft / 1.52 m
• Freeboard Breakdown (% = length of deck as a percentage of waterline length):
Part of Ship % of Length Fore End Aft End
Forecastle 20% 32.0 ft / 9.75 m 27.0 ft / 8.23 m
Forward Deck 30% 27.0 ft / 8.23 m 24.5 ft / 7.47 m
Aft Deck 35% 24.5 ft / 7.47 m 24.5 ft / 7.47 m
Quarter Deck 15% 24.5 ft / 7.47 m 24.5 ft / 7.47 m
Average Freeboard 25.78 ft / 7.86 m
Ship Space, Strength and Comments:
• Space - Hull below water (magazines/engines, low = better): 71.8 %
- Above water (accommodation/working, high = better): 192.7 %
• Waterplane Area: 64,361 square feet or 5,979 square meters
• Displacement Factor (displacement / loading): 111 %
• Structure weight / hull surface area: 216 lbs/sq ft or 1,056 kg/sq meter
• Hull Strength (Relative):
o Cross-sectional: 0.96
o Longitudinal: 1.51
o Overall: 1.00
• Excellent machinery, storage, compartmentation space
• Excellent accommodation and workspace room
• Ship has slow, easy roll, a good, steady gun platform
• Good seaboat, rides out heavy weather easily
Lion Class Battleship (wikipedia)