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SM UC-8

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For other ships with the same name, see German submarine U-8.
The UC-8 in Dutch service as HNLMS M-1
History
German Empire
NameUC-8
OrderedNovember 1914[1]
BuilderAG Vulcan, Hamburg[2]
Yard number52[1]
Launched6 July 1915[1]
Commissioned5 July 1915[1]
FateGrounded on Dutch coast, 4 November 1915; interned[1]
Netherlands
NameM-1
OwnerRoyal Netherlands Navy
Acquired1917[3]
Commissioned13 March 1917[4]
FateBroken up in 1932[1]
General characteristics [5]
Class and typeType UC I submarine
Displacement
  • 168 t (165 long tons), surfaced
  • 183 t (180 long tons), submerged
Length
Beam3.15 m (10 ft 4 in)
Draft3.04 m (10 ft)
Propulsion
Speed
  • 6.20 knots (11.48 km/h; 7.13 mph), surfaced
  • 5.22 knots (9.67 km/h; 6.01 mph), submerged
Range
  • 780 nmi (1,440 km; 900 mi) at 5 knots (9.3 km/h; 5.8 mph) surfaced
  • 50 nmi (93 km; 58 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth50 m (160 ft)
Complement14
Armament
  • 6 × 100 cm (39 in) mine tubes
  • 12 × UC 120 mines
  • 1 × 7.92 mm (0.312 in) machine gun
Service record
Part of:
  • I Flotilla
  • Unknown – 4 November 1915
Commanders:
  • Oblt.z.S. Georg Haag[6]
  • 5 July – 17 October 1915
  • Oblt.z.S. Walter Gottfried Schmidt[7]
  • 18 October – 4 November 1915
Operations: 1 patrol
Victories: None

SM UC-8 was a German Type UC I minelayer submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. The U-boat had been ordered by November 1914 and was launched on 6 July 1915. She was commissioned into the German Imperial Navy on 5 July 1915 as SM UC-8.[Note 1] Mines laid by UC-8 in her one patrol are not known to have sunk any ships. UC-8 ran aground on the Dutch coast near Terschelling on 4 November 1915. Interned by the Dutch, UC-8 was purchased and commissioned into the Dutch Navy as HNLMS M-1. The submarine was broken up in 1932.[1]

Design

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A Type UC I submarine, UC-8 had a displacement of 168 tonnes (165 long tons) when at the surface and 183 tonnes (180 long tons) while submerged. She had a length overall of 33.99 m (111 ft 6 in), a beam of 3.15 m (10 ft 4 in), and a draught of 3.04 m (10 ft). The submarine was powered by one Daimler-Motoren-Gesellschaft six-cylinder, four-stroke diesel engine producing 90 metric horsepower (66 kW; 89 shp), an electric motor producing 175 metric horsepower (129 kW; 173 shp), and one propeller shaft. She was capable of operating at a depth of 50 metres (160 ft).[5]

The submarine had a maximum surface speed of 6.20 knots (11.48 km/h; 7.13 mph) and a maximum submerged speed of 5.22 knots (9.67 km/h; 6.01 mph). When submerged, she could operate for 50 nautical miles (93 km; 58 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, she could travel 780 nautical miles (1,440 km; 900 mi) at 5 knots (9.3 km/h; 5.8 mph). UC-8 was fitted with six 100 centimetres (39 in) mine tubes, twelve UC 120 mines, and one 8 millimetres (0.31 in) machine gun. She was built by AG Vulcan Stettin and her complement was fourteen crew members.[5]

Notes

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  1. ^ "SM" stands for "Seiner Majestät" (English: His Majesty's) and combined with the U for Unterseeboot would be translated as His Majesty's Submarine.

References

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  1. ^ a b c d e f g Helgason, Guðmundur. "WWI U-boats: UC 8". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 20 February 2009.
  2. ^ Tarrant, p. 173.
  3. ^ Roetering, p. 14.
  4. ^ Jalhay, p. 107.
  5. ^ a b c Gröner 1991, pp. 30–31.
  6. ^ Helgason, Guðmundur. "WWI U-boat commanders: Georg Haag". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 8 March 2015.
  7. ^ Helgason, Guðmundur. "WWI U-boat commanders: Walter Gottfried Schmidt". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 8 March 2015.

Bibliography

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  • Bendert, Harald (2001). Die UC-Boote der Kaiserlichen Marine 1914-1918. Minenkrieg mit U-Booten (in German). Hamburg, Berlin, Bonn: Mittler. ISBN 3-8132-0758-7.
  • Gröner, Erich; Jung, Dieter; Maass, Martin (1991). U-boats and Mine Warfare Vessels. German Warships 1815–1945. Vol. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press. ISBN 0-85177-593-4.
  • Gardiner, Robert; Gray, Randal, eds. (1985). Conway's All the World's Fighting Ships 1906–1921. Annapolis, Maryland: Naval Institute Press. ISBN 978-0-87021-907-8. OCLC 12119866.
  • Tarrant, V. E. (1989). The U-Boat Offensive: 1914–1945. Annapolis, Maryland: Naval Institute Press. ISBN 978-0-87021-764-7. OCLC 20338385.
  • Roetering, B., ed. (1997). Mijnendienst 1907-1997 90 jaar: feiten, verhalen en anekdotes uit het negentigjarig bestaan van de Mijnendienst van de Koninklijke Marine (in Dutch). Roetering. ISBN 90-90-10528-X.
  • Jalhay, P.C. (1982). Nederlandse Onderzeedienst 75 jaar (in Dutch). Bussum: De Boer Maritiem. ISBN 90-228-1864-0.
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