Diane-class submarine (1930)

The Diane-class submarines were a group of nine submarines built for the French Navy during the 1930s. Six boats were sunk during the Second World War and the others were sold for scrap in 1946.

Class overview
NameDiane class
Operators French Navy
Preceded by600 Series submarines
Succeeded byOrion class
Built19301933
In commission19311946
Completed9
Lost6
Scrapped3
General characteristics (as built)
TypeSubmarine
Displacement
  • 571 long tons (580 t) (surfaced)
  • 809 long tons (822 t) (submerged)
Length64.4 m (211 ft 3 in)
Beam6.2 m (20 ft 4 in)
Draught4.3 m (14 ft 1 in)
Installed power
  • 1,400 bhp (1,000 kW) (diesels)
  • 1,000 shp (750 kW) (electric motors)
Propulsion
Speed
  • 14 knots (26 km/h; 16 mph) (surfaced)
  • 9 knots (17 km/h; 10 mph) (submerged)
Range
  • 4,000 nmi (7,400 km; 4,600 mi) at 10 knots (19 km/h; 12 mph) (surfaced)
  • 85 nmi (157 km; 98 mi) at 5 knots (9.3 km/h; 5.8 mph) (submerged)
Complement41
Armament
  • 3 × 550 mm (21.7 in) bow torpedo tubes
  • 3 × 400 mm (15.7 in) external torpedo tubes
  • 1 × 76.2 mm (3.0 in) deck gun
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