HMS L18

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L18 at Spithead c1920
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HMS L18 was a L-class submarine built for the Royal Navy during World War I. The boat was completed after the war and was sold for scrap in 1936.

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]

Construction and career

HMS L18 was laid down on 22 June 1917 by Vickers at their Barrow-in-Furness shipyard, launched on 21 November 1918, and completed on 15 May 1919. In February 1927, L18 trained with the submarines Script error: No such module "WPSHIPS utilities". and her sister Script error: No such module "WPSHIPS utilities".. The boat was sold in October 1936 at Pembroke Dock.

Notes

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  1. a b 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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