French submarine Thermidor

A postcard of sister ship Monge underway before 1915
History
France
Name	Thermidor
Namesake	The second month of Summer in the French Republican Calendar
Builder	Arsenal de Cherbourg
Laid down	1906
Launched	3 July 1909
Completed	13 July 1910
Stricken	12 November 1919
Identification	Pennant number: Q57
General characteristics (as built)
Class and type	Template:Sclass-
Displacement	417 t (410 long tons) (surfaced) 551 t (542 long tons) (submerged)
Length	52.15 m (171 ft 1 in) (o/a)
Beam	5.42 m (17 ft 9 in)
Draft	3.15 m (10 ft 4 in)
Installed power	700 PS (510 kW; 690 bhp) (steam) 2 × Du Temple boilers 400 PS (290 kW; 390 bhp) (electric motors)
Propulsion	2 × shafts; 2 × Triple-expansion steam engines 2 × electric motors
Speed	12 knots (22 km/h; 14 mph) (surfaced) 8 knots (15 km/h; 9.2 mph) (submerged)
Range	1,000 nmi (1,900 km; 1,200 mi) at 8.5 knots (15.7 km/h; 9.8 mph) (surfaced) 27 nmi (50 km; 31 mi) at 5 knots (9.3 km/h; 5.8 mph) (submerged)
Complement	2 officers and 23 crewmen
Armament	1 × twin 450 mm (17.7 in) Drzewiecki drop collar 4 × external 450 mm torpedo launchers (2 × facing forward, 2 × aft)

Thermidor was one of 18 Template:Sclass-s built for the French Navy in the first decade of the 20th century.

See also

• List of submarines of France

Bibliography

• Couhat, Jean Labayle (1974). French Warships of World War I. London: Ian Allen. ISBN 0-7110-0445-5.
• Gardiner, Robert; Gray, Randal (1985). Conway's All The World's Fighting Ships 1906–1921. London: Conway Maritime Press. ISBN 0-85177-245-5. {{cite book}}: Unknown parameter |lastauthoramp= ignored (|name-list-style= suggested) (help)
• Garier, Gérard (2002). A l'épreuve de la Grande Guerre. L'odyssée technique et humaine du sous-marin en France (in French). Vol. 3–2. Bourg-en-Bresse, France: Marines édition. ISBN 2-909675-81-5.
• Garier, Gérard (1998). Des Émeraude (1905-1906) au Charles Brun (1908–1933). L'odyssée technique et humaine du sous-marin en France (in French). Vol. 2. Bourg-en-Bresse, France: Marines édition. ISBN 2-909675-34-3.