French submarine Amiral Bourgois

	A postcard of Amiral Bourgois, before 1918
Class overview
Name	Amiral Bourgois
Operators	French Navy
Preceded by	Mariotte
Succeeded by	Charles Brun
Built	1908–1914
In commission	1914–1919
Completed	1
Scrapped	1
History
France
Name	Amiral Bourgois
Namesake	Admiral Siméon Bourgois
Ordered	31 December 1906
Builder	Arsenal de Rochefort
Laid down	19 May 1908
Launched	25 November 1912
Completed	1913
Commissioned	7 August 1914
Stricken	12 November 1919
Fate	Sold for scrap, 25 June 1927
General characteristics (as built)
Type	Submarine
Displacement	580 t (571 long tons) (surfaced); 746 t (734 long tons) (submerged);
Length	56.2 m (184 ft 5 in) (o/a)
Beam	5.52 m (18 ft 1 in) (deep)
Draft	3.7 m (12 ft 2 in)
Installed power	1,400 PS (1,000 kW; 1,400 bhp) (diesels); 1,000 PS (740 kW; 990 bhp) (electric motors);
Propulsion	2 × shafts; 2 × diesel engines; 2 × electric motors;
Speed	13.85 knots (25.7 km/h; 15.9 mph) (surfaced); 8.65 knots (16.02 km/h; 9.95 mph) (submerged);
Range	1,500 nmi (2,800 km; 1,700 mi) at 10 knots (19 km/h; 12 mph) (surfaced); 89 nmi (165 km; 102 mi) at 4.2 knots (7.8 km/h; 4.8 mph) (submerged);
Complement	29 officers and crewmen
Armament	3 × 450 mm (17.7 in) torpedo tubes; 2 × twin 450 mm Drzewiecki drop collars;

Amiral Bourgois was one of four experimental submarines ordered for the French Navy in 1906. Each boat was built to a different design and Amiral Bourgois was intended to test a novel powerplant. The experimental diesel engines took over six years to build and greatly delayed the boat's completion until 1913. Although engine problems plagued the submarine throughout her service, she was commissioned shortly after the start of the First World War in 1914, but never made an operational patrol. Amiral Bourgois was under repair when the war ended in 1918, but the work was cancelled shortly afterwards. The boat was struck the following year and offered for sale in 1920. There were no offers and she was used for torpedo testing in 1924–1926. The submarine was sold for scrap in 1927.

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