French battleship Richelieu

Richelieu, French Richelieu-class battleship laid down 1936

Displacement:
	50,163 t light; 52,717 t standard; 55,611 t normal; 57,926 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(885.83 ft / 856.30 ft) x 114.83 ft x (31.82 / 32.93 ft)
	(270.00 m / 261.00 m) x 35.00 m  x (9.70 / 10.04 m)

Armament:
      8 - 16.14" / 410 mm 45.0 cal guns - 2,149.51lbs / 975.00kg shells, 110 per gun
	  Breech loading guns in turret on barbette mounts, 1936 Model
	  2 x 4-gun mounts on centreline, forward deck forward
		1 raised mount - superfiring
      24 - 5.12" / 130 mm 45.0 cal guns - 70.77lbs / 32.10kg shells, 400 per gun
	  Dual purpose guns in turret on barbette mounts, 1936 Model
	  3 x Quad mounts on centreline, aft evenly spread
		1 raised mount
	  6 x Twin mounts on sides, evenly spread
		2 raised mounts
      8 - 1.46" / 37.0 mm 50.0 cal guns - 1.60lbs / 0.73kg shells, 1,000 per gun
	  Anti-air guns in deck mounts, 1936 Model
	  4 x Twin mounts on sides, evenly spread
      24 - 0.52" / 13.2 mm 76.0 cal guns - 0.11lbs / 0.05kg shells, 4,000 per gun
	  Machine guns in deck mounts, 1936 Model
	  24 x Single mounts on sides, evenly spread
      Weight of broadside 18,910 lbs / 8,577 kg

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Main:	13.4" / 340 mm	428.15 ft / 130.50 m	12.86 ft / 3.92 m
	Ends:	2.95" / 75 mm	428.12 ft / 130.49 m	12.86 ft / 3.92 m
	Upper:	10.6" / 270 mm	428.15 ft / 130.50 m	8.01 ft / 2.44 m
	  Main Belt covers 77 % of normal length

   - Torpedo Bulkhead - Additional damage containing bulkheads:
		6.69" / 170 mm	428.15 ft / 130.50 m	30.31 ft / 9.24 m
	Beam between torpedo bulkheads 82.02 ft / 25.00 m

   - Hull void:
		0.00" / 0 mm	  0.00 ft / 0.00 m	0.00 ft / 0.00 m

   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	13.4" / 340 mm	8.92" / 227 mm		12.2" / 310 mm
	2nd:	5.12" / 130 mm	2.36" / 60 mm		5.12" / 130 mm

   - Armoured deck - multiple decks:
	For and Aft decks: 6.89" / 175 mm
	Forecastle: 1.18" / 30 mm  Quarter deck: 1.18" / 30 mm

   - Conning towers: Forward 10.63" / 270 mm, Aft 6.30" / 160 mm

Machinery:
	Oil fired boilers, steam turbines,
	Geared drive, 4 shafts, 150,009 shp / 111,907 Kw = 28.64 kts
	Range 8,000nm at 15.00 kts
	Bunker at max displacement = 5,209 tons

Complement:
	1,809 - 2,353

Cost:
	£21.526 million / $86.103 million

Distribution of weights at normal displacement:
	Armament: 3,746 tons, 6.7 %
	   - Guns: 3,746 tons, 6.7 %
	Armour: 20,420 tons, 36.7 %
	   - Belts: 5,594 tons, 10.1 %
	   - Torpedo bulkhead: 3,214 tons, 5.8 %
	   - Armament: 4,073 tons, 7.3 %
	   - Armour Deck: 7,008 tons, 12.6 %
	   - Conning Towers: 531 tons, 1.0 %
	Machinery: 4,209 tons, 7.6 %
	Hull, fittings & equipment: 21,303 tons, 38.3 %
	Fuel, ammunition & stores: 5,448 tons, 9.8 %
	Miscellaneous weights: 485 tons, 0.9 %
	   - Hull below water: 120 tons
	   - Hull void weights: 120 tons
	   - Hull above water: 120 tons
	   - On freeboard deck: 75 tons
	   - Above deck: 50 tons

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  119,466 lbs / 54,189 Kg = 56.8 x 16.1 " / 410 mm shells or 24.4 torpedoes
	Stability (Unstable if below 1.00): 1.17
	Metacentric height 8.3 ft / 2.5 m
	Roll period: 16.8 seconds
	Steadiness	- As gun platform (Average = 50 %): 71 %
			- Recoil effect (Restricted arc if above 1.00): 0.73
	Seaboat quality  (Average = 1.00): 1.61

Hull form characteristics:
	Hull has a flush deck,
	  a straight bulbous bow and a cruiser stern
	Block coefficient (normal/deep): 0.622 / 0.626
	Length to Beam Ratio: 7.46 : 1
	'Natural speed' for length: 29.26 kts
	Power going to wave formation at top speed: 48 %
	Trim (Max stability = 0, Max steadiness = 100): 44
	Bow angle (Positive = bow angles forward): 35.00 degrees
	Stern overhang: 6.56 ft / 2.00 m
	Freeboard (% = length of deck as a percentage of waterline length):
				Fore end,	 Aft end
	   - Forecastle:	25.00 %,  32.81 ft / 10.00 m,  31.17 ft / 9.50 m
	   - Forward deck:	30.00 %,  31.17 ft / 9.50 m,  31.17 ft / 9.50 m
	   - Aft deck:	20.00 %,  31.17 ft / 9.50 m,  31.17 ft / 9.50 m
	   - Quarter deck:	25.00 %,  31.17 ft / 9.50 m,  31.17 ft / 9.50 m
	   - Average freeboard:		31.33 ft / 9.55 m

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 76.8 %
		- Above water (accommodation/working, high = better): 240.9 %
	Waterplane Area: 73,404 Square feet or 6,819 Square metres
	Displacement factor (Displacement / loading): 121 %
	Structure weight / hull surface area: 219 lbs/sq ft or 1,072 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.95
		- Longitudinal: 1.61
		- Overall: 1.00
	Excellent machinery, storage, compartmentation space
	Excellent accommodation and workspace room
	Ship has slow, easy roll, a good, steady gun platform
	Excellent seaboat, comfortable, can fire her guns in the heaviest weather

Lead ship of the Richelieu-class battleships. Armed with the largest guns ever fitted to a French warships. Designed after France's withdrawal from the London Naval Treaty, in response to increases in German and Italian naval power in both the North Sea and Mediterranean.