HMS L11

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HMS L11 was a L-class submarine built for the Royal Navy during World War I. She was one of five boats in the class to be fitted as a minelayer. The boat survived the war and was sold for scrap in 1932.

Design and description

L9 and its successors were enlarged to accommodate 21-inch (53.3 cm) torpedoes and more fuel. The submarine had a length of Script error: No such module "convert". overall, a beam of Script error: No such module "convert". and a mean draft of Script error: No such module "convert"..[1] They displaced Script error: No such module "convert". on the surface and Script error: No such module "convert". submerged. The L-class submarines had a crew of 38 officers and ratings.[2]

For surface running, the boats were powered by two 12-cylinder Vickers[3] Script error: No such module "convert". diesel engines, each driving one propeller shaft. When submerged each propeller was driven by a Script error: No such module "convert". electric motor.[1] They could reach Script error: No such module "convert". on the surface and Script error: No such module "convert". underwater. On the surface, the L class had a range of Script error: No such module "convert". at Script error: No such module "convert"..[4]

The boats were armed with four 21-inch torpedo tubes in the bow and two 18-inch (45 cm) in broadside mounts. They carried four reload torpedoes for the 21-inch tubes for a grand total of ten torpedoes of all sizes.[5] They were also armed with a Script error: No such module "convert". deck gun.[2] L11 was fitted with 16 vertical mine chutes in her saddle tanks and carried one mine per chute.[1]

Construction and career

L11 was built by Vickers, Barrow. She was laid down on 17 January 1917 and was commissioned on 27 June 1918. The boat was sold for scrap in February 1932.

Notes

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  1. a b c Gardiner & Gray, p. 93
  2. a b Akermann, p. 165
  3. Harrison, Chapter 25
  4. Harrison, Chapters 3
  5. Harrison, Chapter 27

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References

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