French submarine Montgolfier

An unidentified Brumaire-class submarine in Cherbourg
History
France
Name:	Montgolfier
Builder:	Arsenal de Rochefort
Launched:	18 April 1912
Completed:	8 August 1914
Struck:	27 July 1921
Identification:	Pennant number: Q81
General characteristics (as built)
Class and type:	Brumaire-class submarine
Displacement:	397 t (391 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:	3.19 m (10 ft 6 in)
Installed power:	840 PS (620 kW; 830 bhp) (diesels) 660 PS (490 kW; 650 bhp) (electric motors)
Propulsion:	2 × shafts; 2 × diesel engines 2 × electric motors
Speed:	13 knots (24 km/h; 15 mph) (surfaced) 8.8 knots (16.3 km/h; 10.1 mph) (submerged)
Range:	1,700 nmi (3,100 km; 2,000 mi) at 10 knots (19 km/h; 12 mph) (surfaced) 84 nmi (156 km; 97 mi) at 5 knots (9.3 km/h; 5.8 mph) (submerged)
Test depth:	40 m (130 ft)
Complement:	2 officers and 27 crewmen
Armament:	1 × 450 mm (17.7 in) bow torpedo tube 1 × twin 450 mm Drzewiecki drop collar 2 × single 450 mm Drzewiecki drop collars 2× single external 450 mm torpedo launchers

Montgolfier was one of 16 Brumaire-class submarines built for the French Navy during the 1910s.

Citations

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. 
• Garier, Gérard (2002). A l'épreuve de la Grande Guerre. L'odyssée technique et humaine du sous-marin en France (in French). 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). 2. Bourg-en-Bresse, France: Marines édition. ISBN 2-909675-34-3.