RFP27

Tunisie, French "Très Lourd Croiseur" laid down 1931

Displacement:
	19,527 t light; 20,500 t standard; 22,325 t normal; 23,785 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(715.20 ft / 709.48 ft) x 79.56 ft x (31.50 / 32.87 ft)
	(217.99 m / 216.25 m) x 24.25 m  x (9.60 / 10.02 m)

Armament:
      8 - 12.01" / 305 mm 55.0 cal guns - 1,014.13lbs / 460.00kg shells, 100 per gun
	  Breech loading guns in turret on barbette mounts, 1928 Model
	  2 x Quad mounts on centreline ends, evenly spread
      12 - 3.94" / 100 mm 45.0 cal guns - 32.96lbs / 14.95kg shells, 300 per gun
	  Dual purpose guns in deck and hoist mounts, 1930 Model
	  4 x Twin mounts on sides, evenly spread
	  2 x Twin mounts on centreline, evenly spread
		2 raised mounts
      8 - 1.46" / 37.0 mm 54.0 cal guns - 1.61lbs / 0.73kg shells, 1,000 per gun
	  Anti-air guns in deck mounts, 1925 Model
	  8 x Single mounts on sides, evenly spread
      12 - 0.52" / 13.2 mm 76.0 cal guns - 0.11lbs / 0.05kg shells, 3,000 per gun
	  Anti-air guns in deck mounts, 1929 Model
	  6 x Twin mounts on centreline, evenly spread
		6 raised mounts
      Weight of broadside 8,523 lbs / 3,866 kg
      Main Torpedoes
      6 - 21.7" / 550 mm, 27.17 ft / 8.28 m torpedoes - 1.872 t each, 11.233 t total
	In 2 sets of deck mounted side rotating tubes
      2nd Torpedoes
      6 - 21.7" / 550 mm, 27.17 ft / 8.28 m torpedoes - 1.872 t each, 11.233 t total
	below water reloads

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Main:	8.86" / 225 mm	459.32 ft / 140.00 m	13.12 ft / 4.00 m
	Ends:	Unarmoured
	  Main Belt covers 100 % of normal length
	  Main Belt inclined -10.00 degrees (positive = in)

   - Torpedo Bulkhead - Strengthened structural bulkheads:
		2.36" / 60 mm	439.63 ft / 134.00 m	27.89 ft / 8.50 m
	Beam between torpedo bulkheads 66.44 ft / 20.25 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:	11.0" / 280 mm	3.94" / 100 mm		11.0" / 280 mm
	2nd:	2.17" / 55 mm	0.98" / 25 mm		2.17" / 55 mm

   - Armoured deck - multiple decks:
	For and Aft decks: 4.53" / 115 mm
	Forecastle: 0.00" / 0 mm  Quarter deck: 1.57" / 40 mm

   - Conning towers: Forward 11.02" / 280 mm, Aft 0.00" / 0 mm

Machinery:
	Oil fired boilers, steam turbines,
	Geared drive, 4 shafts, 98,200 shp / 73,257 Kw = 31.00 kts
	Range 8,000nm at 15.00 kts
	Bunker at max displacement = 3,285 tons

Complement:
	913 - 1,187

Cost:
	£8.660 million / $34.642 million

Distribution of weights at normal displacement:
	Armament: 1,752 tons, 7.8 %
	   - Guns: 1,716 tons, 7.7 %
	   - Weapons: 37 tons, 0.2 %
	Armour: 6,974 tons, 31.2 %
	   - Belts: 2,215 tons, 9.9 %
	   - Torpedo bulkhead: 1,072 tons, 4.8 %
	   - Armament: 916 tons, 4.1 %
	   - Armour Deck: 2,583 tons, 11.6 %
	   - Conning Tower: 188 tons, 0.8 %
	Machinery: 2,937 tons, 13.2 %
	Hull, fittings & equipment: 7,382 tons, 33.1 %
	Fuel, ammunition & stores: 2,797 tons, 12.5 %
	Miscellaneous weights: 482 tons, 2.2 %
	   - Hull void weights: 342 tons
	   - On freeboard deck: 90 tons
	   - Above deck: 50 tons

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  27,599 lbs / 12,519 Kg = 31.9 x 12.0 " / 305 mm shells or 3.0 torpedoes
	Stability (Unstable if below 1.00): 1.13
	Metacentric height 4.5 ft / 1.4 m
	Roll period: 15.7 seconds
	Steadiness	- As gun platform (Average = 50 %): 55 %
			- Recoil effect (Restricted arc if above 1.00): 0.61
	Seaboat quality  (Average = 1.00): 1.11

Hull form characteristics:
	Hull has a flush deck,
	  a normal bow and large transom stern
	Block coefficient (normal/deep): 0.440 / 0.449
	Length to Beam Ratio: 8.92 : 1
	'Natural speed' for length: 30.93 kts
	Power going to wave formation at top speed: 50 %
	Trim (Max stability = 0, Max steadiness = 100): 50
	Bow angle (Positive = bow angles forward): 15.00 degrees
	Stern overhang: 0.00 ft / 0.00 m
	Freeboard (% = length of deck as a percentage of waterline length):
				Fore end,	 Aft end
	   - Forecastle:	22.25 %,  21.33 ft / 6.50 m,  18.86 ft / 5.75 m
	   - Forward deck:	30.00 %,  18.86 ft / 5.75 m,  17.22 ft / 5.25 m
	   - Aft deck:	31.75 %,  17.22 ft / 5.25 m,  17.22 ft / 5.25 m
	   - Quarter deck:	16.00 %,  17.22 ft / 5.25 m,  18.04 ft / 5.50 m
	   - Average freeboard:		18.12 ft / 5.52 m
	Ship tends to be wet forward

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 94.7 %
		- Above water (accommodation/working, high = better): 133.8 %
	Waterplane Area: 37,080 Square feet or 3,445 Square metres
	Displacement factor (Displacement / loading): 102 %
	Structure weight / hull surface area: 162 lbs/sq ft or 793 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.98
		- Longitudinal: 1.40
		- Overall: 1.01
	Adequate machinery, storage, compartmentation space
	Excellent accommodation and workspace room