SM U-7 (Germany)

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Submarine U-7 at full speed (LOC) (6358166669).jpg
History
War Ensign of Germany 1903-1918.svg German Empire
NameU-7
Ordered8 April 1908
Builder Germaniawerft, Kiel
Cost2,540,000 Goldmark
Yard number149
Laid down6 May 1909
Launched28 July 1910
Commissioned18 July 1911
FateSunk in a friendly fire incident, 26 dead.
General characteristics [1]
Class & type Type U 5 submarine
Displacement
  • 505  t (497 long tons) surfaced
  • 636 t (626 long tons) submerged
Length
Beam
  • 5.60 m (18 ft 4 in) (o/a)
  • 3.75 m (12 ft 4 in) (pressure hull)
Draught3.55 m (11 ft 8 in)
Installed power
  • 2 × Körting 6-cylinder and 2 × Körting 8-cylinder two stroke paraffin motors with 900 PS (660 kW; 890 shp)
  • 2 × SSW electric motors with 1,040 PS (760 kW; 1,030 shp)
  • 550 rpm surfaced
  • 600 rpm submerged
Propulsion
  • 2 shafts
  • 2 × 1.30 m (4 ft 3 in) propellers
Speed
  • 13.4 knots (24.8 km/h; 15.4 mph) surfaced
  • 10.2 knots (18.9 km/h; 11.7 mph) submerged
Range3,300 nmi (6,100 km; 3,800 mi) at 9 knots (17 km/h; 10 mph)
Test depth30 m (98 ft)
Boats & landing
craft carried
1 dingi
Complement4 officers, 24 men
Armament

SM U-7 was a Type U 5 U-boat, one of the 329 that served in the Imperial German Navy in World War I. U-7 took part in the First Battle of the Atlantic.

Contents

Fate

On 21 January 1915, U-7 was torpedoed and sunk by SM U-22, which had mistaken her for an enemy submarine. Twenty-four crew were killed, and only one survived.

References

  1. Gröner 1991, pp. 4–6.

Bibliography

53°25′48″N6°02′00″E / 53.43000°N 6.03333°E / 53.43000; 6.03333