HMS L6

HMS L6 was a L-class submarine built for the Royal Navy during World War I. The boat survived the war and was sold for scrap in 1935.

HMS L6 and L8 by Francis Dodd
History
United Kingdom
Name: HMS L6
Builder: William Beardmore and Company, Dalmuir
Laid down: October 1916
Commissioned: 3 July 1918
Fate: Sold for scrapping, January 1935
General characteristics
Class and type: L-class submarine
Displacement:
  • 891 long tons (905 t) surfaced
  • 1,074 long tons (1,091 t) submerged
Length: 231 ft 1 in (70.4 m)
Beam: 23 ft 6 in (7.2 m)
Draught: 13 ft 3 in (4.0 m)
Installed power:
  • 2,400 bhp (1,800 kW) (diesel)
  • 1,600 hp (1,200 kW) (electric)
Propulsion:
Speed:
  • 17 kn (31 km/h; 20 mph) surfaced
  • 10.5 kn (19.4 km/h; 12.1 mph) submerged
Range: 3,800 nmi (7,000 km; 4,400 mi) at 10 kn (19 km/h; 12 mph) on the surface
Test depth: 100 feet (30.5 m)
Complement: 35
Armament:

Design and description

The L-class boats were enlarged and improved versions of the preceding E class. The submarine had a length of 231 feet 1 inch (70.4 m) overall, a beam of 23 feet 6 inches (7.2 m) and a mean draft of 13 feet 3 inches (4.0 m). They displaced 891 long tons (905 t) on the surface and 1,074 long tons (1,091 t) submerged. The L-class submarines had a crew of 35 officers and ratings.[1]

For surface running, the boats were powered by two 12-cylinder Vickers[2] 1,200-brake-horsepower (895 kW) diesel engines, each driving one propeller shaft. When submerged each propeller was driven by a 600-horsepower (447 kW) electric motor.[1] They could reach 17 knots (31 km/h; 20 mph) on the surface and 10.5 knots (19.4 km/h; 12.1 mph) underwater.[3] On the surface, the L class had a range of 3,200 nautical miles (5,900 km; 3,700 mi) at 10 knots (19 km/h; 12 mph).[1]

The boats were armed with a total of six 18-inch (45 cm) torpedo tubes. Four of these were in the bow and the remaining pair in broadside mounts. They carried 10 reload torpedoes, all for the bow tubes.[4] They were also armed with a 4-inch (102 mm) deck gun.[5]

Construction and career

HMS L3 was laid down on 19 October 1916 by William Beardmore and Company at their Dalmuir shipyard, launched on 14 January 1918, and completed on 3 July 1918. She was based at Falmouth, Cornwall in 1918.

HMS L6 was assigned to the 4th Submarine Flotilla and HMS Titania in 1919 and sailed to Hong Kong, arriving on 14 April 1920.

HMS L6 was sold for scrap in January 1935 in Newport, Monmouthshire.

Notes
  1. Gardiner & Gray, p. 93
  2. Harrison, Chapter 25
  3. Harrison, Chapters 3
  4. Harrison, Chapter 27
  5. Akermann, p. 165
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References
  • Akermann, Paul (2002). Encyclopaedia of British Submarines 1901–1955 (reprint of the 1989 ed.). Penzance, Cornwall: Periscope Publishing. ISBN 1-904381-05-7.
  • Colledge, J. J.; Warlow, Ben (2006) [1969]. Ships of the Royal Navy: The Complete Record of all Fighting Ships of the Royal Navy (Rev. ed.). London: Chatham Publishing. ISBN 978-1-86176-281-8.
  • Gardiner, Robert & Gray, Randal, eds. (1985). Conway's All the World's Fighting Ships: 1906–1921. Annapolis, Maryland: Naval Institute Press. ISBN 0-85177-245-5.
  • Harrison, A. N. (January 1979). "The Development of HM Submarines From Holland No. 1 (1901) to Porpoise (1930) (BR3043)". Submariners Association: Barrow in Furness Branch. Archived from the original on 19 May 2015. Retrieved 19 August 2015.
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