SM U-71

SM U-71 was one of 329 submarines serving in the Imperial German Navy in World War I. U-71 was engaged in the naval warfare and took part in the First Battle of the Atlantic.

History
German Empire
NameU-71
Ordered6 January 1915
BuilderAG Vulkan, Hamburg
Yard number55
Launched31 October 1915
Commissioned20 December 1915
Fate23 February 1919 - Surrendered to France. Broken up at Cherburg in 1921.
General characteristics
Class and typeGerman Type UE I submarine
Displacement
  • 755 t (743 long tons) surfaced
  • 832 t (819 long tons) submerged
Length
Beam
  • 5.90 m (19 ft 4 in) (o/a)
  • 5.00 m (16 ft 5 in) (pressure hull)
Height8.25 m (27 ft 1 in)
Draught4.86 m (15 ft 11 in)
Installed power
  • 2 × 900 PS (662 kW; 888 shp) surfaced
  • 2 × 900 PS (662 kW; 888 shp) submerged
Propulsion2 shafts
Speed
  • 10.6 knots (19.6 km/h; 12.2 mph) surfaced
  • 7.9 knots (14.6 km/h; 9.1 mph) submerged
Range
  • 7,880 nmi (14,590 km; 9,070 mi) at 7 knots (13 km/h; 8.1 mph) surfaced
  • 83 nmi (154 km; 96 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth50 m (164 ft 1 in)
Complement4 officers, 28 enlisted
Armament
Service record
Part of:
  • I Flotilla
  • 7 April 1916 – 11 November 1918
Commanders:
  • Kptlt. Hugo Schmidt
  • 20 December 1915 – 19 April 1917
  • Kptlt. Walter Gude
  • 20 April – 27 November 1917
  • Kptlt. Otto Dröscher
  • 28 November 1917 – 27 January 1918
  • Oblt.z.S. Richard Scheurlen
  • 28 January – 29 July 1918
  • Oblt.z.S. Kurt Slevogt
  • 30 July – 14 October 1918
Operations: 12 patrols
Victories:
  • 17 merchant ships sunk
    (14,964 GRT)
  • 2 warships sunk
    (2,731 tons)
  • 1 auxiliary warship sunk
    (309 GRT)
  • 1 merchant ship damaged
    (3,230 GRT)
  • 1 warship damaged
    (820 tons)
  • 1 merchant ship taken as prize
    (82 GRT)
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