HMS Sentinel (P256)

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HMS Sentinel
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HMS Sentinel was a S-class submarine of the third batch built for the Royal Navy during World War II. She was not completed until after the war and was sold for scrap in 1962.

Design and description

The last 17 boats of the third batch were significantly modified from the earlier boats. They had a stronger hull, carried more fuel and their armament was revised. The submarines had a length of Script error: No such module "convert". overall, a beam of Script error: No such module "convert". and a draft of Script error: No such module "convert".. They displaced Script error: No such module "convert". on the surface and Script error: No such module "convert". submerged.[1] The S-class submarines had a crew of 48 officers and ratings. They had a diving depth of Script error: No such module "convert"..[2]

For surface running, the boats were powered by two 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.[3] They could reach Script error: No such module "convert". on the surface and Script error: No such module "convert". underwater.[1] On the surface, the third batch boats had a range of Script error: No such module "convert". at Script error: No such module "convert". and Script error: No such module "convert". at Script error: No such module "convert". submerged.[2]

Sentinel was armed with six 21 inch (533 mm) torpedo tubes in the bow. She carried six reload torpedoes for a grand total of a dozen torpedoes. Twelve mines could be carried in lieu of the torpedoes. The boat was also equipped with a 4-inch (102 mm) deck gun.[1]

Construction and career

HMS Sentinel was built by Scotts of Greenock and launched on 27 July 1945. Commissioned after the Second World War, she had a peaceful career. In 1953 she took part in the Fleet Review to celebrate the Coronation of Queen Elizabeth II.[4] Sentinel was sold on 28 February 1962, being broken up at Gillingham.[5]

Notes

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  1. a b c Chesneau, p. 52
  2. a b McCartney, p. 7
  3. Bagnasco, p. 110
  4. Souvenir Programme, Coronation Review of the Fleet, Spithead, 15th June 1953, HMSO, Gale and Polden
  5. HMS Sentinel, Uboat.net

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References

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