1897 MN Le Puissant

Le Puissant, La Troisième République Cuirassé Super-Tremblement laid down 1897

Displacement:
	13,592 t light; 15,205 t standard; 16,019 t normal; 16,670 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(518.37 ft / 492.13 ft) x 68.90 ft x (26.25 / 27.14 ft)
	(158.00 m / 150.00 m) x 21.00 m  x (8.00 / 8.27 m)

Armament:
      32 - 10.79" / 274 mm 40.0 cal guns - 579.00lbs / 262.63kg shells, 111 per gun
	  Breech loading guns in casemate mounts, 1895 Model
	  32 x Single mounts on sides, evenly spread
		16 hull mounts in casemates- Limited use in any sea
      40 - 4.72" / 120 mm 45.0 cal guns - 45.15lbs / 20.48kg shells, 150 per gun
	  Breech loading guns in casemate mounts, 1891 Model
	  40 x Single mounts on sides, evenly spread
		36 raised mounts
      Weight of broadside 20,334 lbs / 9,223 kg
      Main Torpedoes
      24 - 17.7" / 450 mm, 11.67 ft / 3.56 m torpedoes - 0.379 t each, 9.091 t total
	In 6 sets of deck mounted carriage/fixed tubes
      2nd Torpedoes
      48 - 17.7" / 450 mm, 11.67 ft / 3.56 m torpedoes - 0.379 t each, 18.182 t total
	In 6 sets of deck mounted reloads

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Main:	12.0" / 305 mm	393.70 ft / 120.00 m	8.20 ft / 2.50 m
	Ends:	4.13" / 105 mm	  98.39 ft / 29.99 m	8.20 ft / 2.50 m
	  Main Belt covers 123 % of normal length
	  Main Belt inclined 20.00 degrees (positive = in)

   - Torpedo Bulkhead - Strengthened structural bulkheads:
		2.36" / 60 mm	492.13 ft / 150.00 m	29.53 ft / 9.00 m
	Beam between torpedo bulkheads 62.34 ft / 19.00 m

   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	2nd:	11.8" / 300 mm	3.15" / 80 mm		11.8" / 300 mm
	3rd:	1.97" / 50 mm	1.97" / 50 mm		3.94" / 100 mm

   - Protected deck - single deck:
	For and Aft decks: 5.12" / 130 mm
	Forecastle: 5.12" / 130 mm  Quarter deck: 5.12" / 130 mm

   - Conning towers: Forward 3.94" / 100 mm, Aft 0.00" / 0 mm

Machinery:
	Coal fired boilers, complex reciprocating steam engines,
	Direct drive, 2 shafts, 11,275 ihp / 8,411 Kw = 17.00 kts
	Range 4,000nm at 10.00 kts
	Bunker at max displacement = 1,465 tons (100% coal)

Complement:
	711 - 925

Cost:
	£1.635 million / $6.541 million

Distribution of weights at normal displacement:
	Armament: 2,446 tons, 15.3 %
	   - Guns: 2,412 tons, 15.1 %
	   - Weapons: 34 tons, 0.2 %
	Armour: 7,268 tons, 45.4 %
	   - Belts: 1,723 tons, 10.8 %
	   - Torpedo bulkhead: 1,270 tons, 7.9 %
	   - Armament: 1,784 tons, 11.1 %
	   - Armour Deck: 2,436 tons, 15.2 %
	   - Conning Tower: 54 tons, 0.3 %
	Machinery: 1,848 tons, 11.5 %
	Hull, fittings & equipment: 1,880 tons, 11.7 %
	Fuel, ammunition & stores: 2,427 tons, 15.2 %
	Miscellaneous weights: 150 tons, 0.9 %
	   - On freeboard deck: 100 tons
	   - Above deck: 50 tons

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  1,321,004 lbs / 599,197 Kg = 2,104.7 x 6 " / 152 mm shells or 234.9 torpedoes
	Stability (Unstable if below 1.00): 17,407.11
	Metacentric height 99,545.3 ft / 30,341.4 m
	Roll period: 0.1 seconds
	Steadiness	- As gun platform (Average = 50 %): 100 %
			- Recoil effect (Restricted arc if above 1.00): 0.00
	Seaboat quality  (Average = 1.00): 2.00

Hull form characteristics:
	Hull has raised forecastle, raised quarterdeck ,
	  a ram bow and a round stern
	Block coefficient (normal/deep): 0.630 / 0.634
	Length to Beam Ratio: 7.14 : 1
	'Natural speed' for length: 22.18 kts
	Power going to wave formation at top speed: 37 %
	Trim (Max stability = 0, Max steadiness = 100): 50
	Bow angle (Positive = bow angles forward): -80.00 degrees
	Stern overhang: 16.40 ft / 5.00 m
	Freeboard (% = length of deck as a percentage of waterline length):
				Fore end,	 Aft end
	   - Forecastle:	10.00 %,  5.91 ft / 1.80 m,  5.91 ft / 1.80 m
	   - Forward deck:	50.00 %,  3.61 ft / 1.10 m,  3.61 ft / 1.10 m
	   - Aft deck:	30.00 %,  3.61 ft / 1.10 m,  3.61 ft / 1.10 m
	   - Quarter deck:	10.00 %,  5.99 ft / 1.83 m,  10.50 ft / 3.20 m
	   - Average freeboard:		4.30 ft / 1.31 m
	Ship tends to be wet forward

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 102.9 %
		- Above water (accommodation/working, high = better): 22.6 %
	Waterplane Area: 25,500 Square feet or 2,369 Square metres
	Displacement factor (Displacement / loading): 81 %
	Structure weight / hull surface area: 138 lbs/sq ft or 672 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 1.41
		- Longitudinal: 1.12
		- Overall: 1.19
	Adequate machinery, storage, compartmentation space
	Extremely poor 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



274mm/40 Mle 1895
120mm/45 Canet Mle 1891
450mm Whitehead torpedo

Ships in Class:
Le Puissant (1897)