French submarine Henri Poincaré

*Henri Poincaré*
	Henri Poincaré in port in France during the 1930s
History
France
Name	Henri Poincaré
Namesake	Henri Poincaré (1854–1912), French mathematician, theoretical physicist, engineer, and philosopher of science
Operator	French Navy
Builder	Arsenal de Lorient, Lorient, France
Laid down	1 March 1927
Launched	10 April 1929
Commissioned	23 December 1931
Homeport	Brest, France
Fate	Scuttled 27 November 1942; Seized by Italy;
Italy
Name	FR 118
Acquired	On or after 27 November 1942
Fate	Refloated June 1943; Scuttled 9 September 1943; Seized by Germany 9 September 1943;
Nazi Germany
Acquired	9 September 1943
Fate	Scrapped
General characteristics
Class and type	Redoutable-class submarine
Displacement	1,572 tonnes (1,547 long tons) (surfaced); 2,092 tonnes (2,059 long tons) (submerged);
Length	92.3 m (302 ft 10 in)
Beam	8.1 m (26 ft 7 in)
Draft	4.4 m (14 ft 5 in) (surfaced)
Propulsion	2 × diesel engines, 6,000 hp (4,474 kW); 2 × electric motors, 2,250 hp (1,678 kW);
Speed	17.5 kn (32.4 km/h; 20.1 mph) (surfaced); 10 kn (19 km/h; 12 mph) (submerged);
Range	14,000 nmi (26,000 km; 16,000 mi) at 7 kn (13 km/h; 8.1 mph) (surfaced); 10,000 nmi (19,000 km; 12,000 mi) at 10 kn (19 km/h; 12 mph) (surfaced); 4,000 nmi (7,400 km; 4,600 mi) at 17 kn (31 km/h; 20 mph) (surfaced); 90 nmi (170 km; 100 mi) at 7 kn (13 km/h; 8.1 mph) (submerged);
Test depth	80 m (262 ft)
Complement	5 officers (6 in operations); 66 men;
Armament	11 torpedo tubes; 1 × 100 mm (3.9 in) gun; 1 × 13.2 mm (0.5 in) machine gun;

Henri Poincaré was a French Navy Redoutable-class submarine of the M6 series commissioned in 1931. She participated in World War II, first on the side of the Allies from 1939 to June 1940, then in the navy of Vichy France until she was scuttled at Toulon in November 1942. The Italians seized her, refloated her, and renamed her FR 118, then scuttled her in September 1943. The Germans later scrapped her wreck.

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