Gustave Zédé-class submarine

The Gustave Zédé class was a pair of submarines built for the French Navy just before World War I.

Ships
Ship Launched Completed
Gustave Zédé (Q92) 20 May 191310 October 1914
Néréide (Q93) 9 May 191431 October 1916
A Gustave Zédé-class submarine in the background behind the ex-German SMS U-139 in French service as Halbronn, Brest, France, February 1919
Class overview
NameGustave Zédé
BuildersArsenal de Cherbourg
Operators French Navy
Preceded byClorinde class
Succeeded byAmphitrite class
Built1911–16
In commission1914–37
Completed2
Scrapped2
General characteristics (as built)
TypeSubmarine
Displacement
  • 820–849 t (807–836 long tons) (surfaced)
  • 1,047–1,098 t (1,030–1,081 long tons) (submerged)
Length74 m (242 ft 9 in) (o/a)
Beam6 m (19 ft 8 in) (deep)
Draft3.75 m (12 ft 4 in)
Installed power
  • 1,640 PS (1,210 kW; 1,620 bhp) (electric motors)
  • 3,500 PS (2,600 kW; 3,500 bhp) (Du Temple boilers) or
  • 2,400 PS (1,800 kW; 2,400 bhp) (diesels)
Propulsion
  • 2 × shafts; 2 × electric motors
  • 2 × Diesel engines or
  • 2 × triple-expansion steam engines
Speed
  • 17 knots (31 km/h; 20 mph) (surfaced)
  • 10–11 knots (19–20 km/h; 12–13 mph) (submerged)
Range
  • 1,400–3,120 nmi (2,590–5,780 km; 1,610–3,590 mi) at 10 knots (19 km/h; 12 mph) (surfaced)
  • 90–135 nmi (167–250 km; 104–155 mi) at 4–5 knots (7.4–9.3 km/h; 4.6–5.8 mph) (submerged)
Complement47 officers and crewmen
Armament
  • 2 × 450 mm (17.7 in) bow torpedo tubes
  • 3 × twin external 450 mm torpedo launchers
  • 1 × 75 mm (3 in) deck gun
  • 1 × 47 mm (1.9 in) gun
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