Circé-class submarine (1907)

Class overview
Name:	Circé class
Builders:	Arsenal de Toulon
Operators:	French Navy
Preceded by:	Émeraude class
Succeeded by:	Pluviôse class
Built:	1905–09
In commission:	1909–18
Completed:	2
Lost:	2
General characteristics (as built)
Type:	Submarine
Displacement:	361 t (355 long tons) (surfaced) 498 t (490 long tons) (submerged)
Length:	47.13 m (154 ft 8 in) (o/a)
Beam:	4.9 m (16 ft 1 in)
Draft:	3.24 m (10 ft 8 in)
Installed power:	630 PS (460 kW; 620 bhp) (diesels) 360 PS (260 kW; 360 bhp) (electric motors)
Propulsion:	2 × shafts; 2 × diesel engines 2 × electric motors
Speed:	11.9 knots (22.0 km/h; 13.7 mph) (surfaced) 7.7 knots (14.3 km/h; 8.9 mph) (submerged)
Range:	2,160 nmi (4,000 km; 2,490 mi) at 8 knots (15 km/h; 9.2 mph) surfaced 44 nmi (81 km; 51 mi) at 5 knots (9.3 km/h; 5.8 mph) submerged
Test depth:	40 m (130 ft)
Complement:	2 officers and 20 crewmen
Armament:	4 × external 450 mm (17.7 in) torpedo launchers (2 × forward, 2 × aft)

The Circé-class submarines were a pair of submarines built for the French Navy during the first decade of the 20th century. One boat was sunk in a collision before the First World War and the other was torpedoed and sunk in the last year of the war.

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