SM U-103

For other ships with the same name, see German submarine U-103.
History
German Empire
NameU-103
Ordered15 September 1915
BuilderAG Weser, Bremen
Yard number254
Laid down8 August 1916
Launched9 June 1917
Commissioned15 July 1917
FateRammed and sunk 12 May 1918 by HMT Olympic. 9 crewmen killed, 31 survived.
General characteristics [1]
Class and typeGerman Type U 57 submarine
Displacement
  • 750 t (740 long tons) surfaced
  • 952 t (937 long tons) submerged
Length
Beam
  • 6.32 m (20 ft 9 in) (o/a)
  • 4.05 m (13 ft 3 in) (pressure hull)
Height8.25 m (27 ft 1 in)
Draught3.65 m (12 ft 0 in)
Installed power
  • 2 × 2,400 PS (1,765 kW; 2,367 shp) surfaced
  • 2 × 1,200 PS (883 kW; 1,184 shp) submerged
Propulsion2 shafts, 2 × 1.65 m (5 ft 5 in) propellers
Speed
  • 16.5 knots (30.6 km/h; 19.0 mph) surfaced
  • 8.8 knots (16.3 km/h; 10.1 mph) submerged
Range
  • 10,100 nmi (18,700 km; 11,600 mi) at 8 knots (15 km/h; 9.2 mph) surfaced
  • 56 nmi (104 km; 64 mi) at 5 knots (9.3 km/h; 5.8 mph) submerged
Test depth50 m (164 ft 1 in)
Complement4 officers, 32 enlisted
Armament
Service record
Part of:
  • II Flotilla
  • 26 August 1917 – 12 May 1918
Commanders:
  • Kptlt. Claus Rücker[2]
  • 26 August 1917 – 12 May 1918
Operations: 5 patrols
Victories:
  • 8 merchant ships sunk
    (15,467 GRT)
  • 1 merchant ship damaged
    (6,042 GRT)

SM U-103[Note 1] was an Imperial German Navy Type U 57 U-boat that was rammed and sunk by HMT Olympic during the First World War. U-103 was built by AG Weser in Bremen, launched on 9 June 1917 and commissioned 15 July 1917. She completed five tours of duty under Kptlt. Claus Rücker and sank eight ships totalling 15,467 gross register tons (GRT) before being lost in the English Channel on 12 May 1918.[3]

  1. ^ Gröner 1991, pp. 12–14.
  2. ^ Helgason, Guðmundur. "WWI U-boat commanders: Claus Rücker (Royal House Order of Hohenzollern)". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 26 January 2015.
  3. ^ Helgason, Guðmundur. "WWI U-boats: U 103". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 25 January 2010.


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