Engineering:Diane-class submarine (1916)

Daphné at anchor, 1920s
Class overview
Name:	Diane
Operators:	French Navy
Preceded by:	Bellone class
Succeeded by:	Dupuy de Lôme class
Built:	1913–17
In service:	1916–35
Completed:	2
Lost:	1
Scrapped:	1
General characteristics
Type:	Submarine
Displacement:	673 t (662 long tons) (surfaced) 901 t (887 long tons) (submerged)
Length:	68 m (223 ft 1 in) (o/a)
Beam:	5.53 m (18 ft 2 in) (deep)
Draft:	3.56 m (11 ft 8 in)
Installed power:	2 × 900 PS (660 kW; 890 hp) diesel engines 2 × 700 PS (510 kW; 690 hp) electric motors
Propulsion:	2 shafts
Speed:	17 knots (31 km/h; 20 mph) (surfaced) 11.5 knots (21.3 km/h; 13.2 mph) (submerged)
Range:	2,600 nmi (4,800 km; 3,000 mi) at 10 knots (19 km/h; 12 mph) (surfaced) 100 nmi (190 km; 120 mi) at 5 knots (9.3 km/h; 5.8 mph) (submerged)
Complement:	34 crew
Armament:	2 × internal bow 450 mm (17.7 in) torpedo tubes 2 × external bow 450 mm torpedo tubes 2 × external stern 450 mm torpedo tubes 4 × single external 450 mm rotating torpedo launchers 1 × single 75 mm (3.0 in) Canon de 75 modèle 1897 deck gun (Daphné only)

The Diane class was a pair of submarines built for the French Navy during World War I.

Ships

Name	Builder	Laid down	Launched	Completed	Fate
Diane (Q107)	Arsenal de Cherbourg	16 August 1913	30 September 1916	25 July 1917	Lost, 11 February 1918
Daphné (Q108)			25 October 1915	22 November 1916	Stricken, 24 July 1935

Bibliography

• Couhat, Jean Labayle (1974). French Warships of World War I. London: Ian Allan. 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) (in French). A l'épreuve de la Grande Guerre. L'odyssée technique et humaine du sous-marin en France. 3–2. Bourg-en-Bresse, France: Marines édition. ISBN 2-909675-81-5. 
• Garier, Gérard (2000) (in French). Des Clorinde (1912-1916) aux Diane (1912–1917). L'odyssée technique et humaine du sous-marin en France. 3-1. Bourg-en-Bresse, France: Marines édition. ISBN 2-909675-54-8. 
• Roche, Jean-Michel (2005). "Classement par types". Dictionnaire des bâtiments de la flotte de guerre française de Colbert à nos jours 2, 1870 - 2006. Toulon: Roche. ISBN 978-2-9525917-0-6. OCLC 165892922.