Bellone-class submarine

Unidentified Bellone-class submarine underway at Toulon, 1914–18
Class overview
NameBellone
Operators French Navy
Preceded byAmphitrite class
Succeeded byDiane class
Built1913–1918
In service1914–1935
Completed3
Scrapped3
General characteristics (as built)
TypeSubmarine
Displacement
  • 540 t (531 long tons) (surfaced)
  • 804 t (791 long tons) (submerged)
Length60 m (196 ft 10 in) (o/a)
Beam5.4 m (17 ft 9 in) (deep)
Draft3.8 m (12 ft 6 in)
Installed power
Propulsion2 shafts
Speed
  • 15 knots (28 km/h; 17 mph) (surfaced)
  • 8.2 knots (15.2 km/h; 9.4 mph) (submerged)
Range
  • 1,859 nmi (3,443 km; 2,139 mi) at 12 knots (22 km/h; 14 mph) (surfaced)
  • 100 nmi (190 km; 120 mi) at 5 knots (9.3 km/h; 5.8 mph) (submerged)
Complement28 crew
Armament
  • 2 × internal bow 450 mm (17.7 in) torpedo tubes
  • 2 × external stern 450 mm torpedo tubes
  • 4 × single 450 mm rotating torpedo launchers

The Bellone class consisted of three submarines built for the French Navy during World War I. Completed in 1916–1918, they saw limited use during the war and were sold for scrap in 1936.