SM U-18

SM U-18 (second row, second from the right)
History
Germany
NameU-18
OrderedMay 6, 1910
BuilderKaiserliche Werft Danzig
Cost2,333,000 Goldmark
Yard number12
Laid down27 October 1910
Launched25 April 1912
Commissioned17 November 1912
Fate
  • Scuttled - 23 November 1914
  • 1 dead
General characteristics
Class & typeGerman Type U 17 submarine
Displacement
  • 564 t (555 long tons) surfaced
  • 691 t (680 long tons) submerged
Length62.35 m (204 ft 7 in)
Beam6 m (19 ft 8 in)
Height7.30 m (23 ft 11 in)
Draught3.40 m (11 ft 2 in)
Propulsion
  • 2 shafts
  • 2 × 2 Körting 8-cylinder two stroke paraffin motors with 1,400 PS (1,030 kW; 1,380 shp)
  • 2 × AEG electric motors with 1,120 PS (820 kW; 1,100 shp)
  • 550 rpm surfaced
  • 425 rpm submerged
Speed
  • 14.9 knots (27.6 km/h; 17.1 mph) surfaced
  • 9.5 knots (17.6 km/h; 10.9 mph) submerged
Range
  • 6,700 nmi (12,400 km; 7,700 mi) at 8 kn surfaced
  • 75 nmi (139 km; 86 mi) at 5 kn submerged
Test depth50 m (164 ft 1 in)
Boats & landing
craft carried		1 dingi
Complement4 officers, 25 men
Armament4 × 45 cm (17.7 in) torpedo tubes (2 each bow and stern) with 6 torpedoes
Service record
Part of:
  • II Flotilla
  • 1 August – 23 November 1914
Commanders:
  • Kptlt. Heinrich von Henning
  • 1 August – 23 November 1914
Operations: 3 patrols
Victories: None

SM U-18 was one of 329 submarines serving in the Imperial German Navy in World War I. U-18 engaged in the commerce warfare in the First Battle of the Atlantic.

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