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HMS Lassoo (1915)

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History
United Kingdom
NameHMS Lassoo
BuilderWilliam Beardmore & Company, Dalmuir
Launched24 August 1915
FateSunk 13 August 1916
General characteristics
Class and typeLaforey-class destroyer
Displacement965–1,010 long tons (980–1,026 t)
Length268 ft 10 in (81.94 m) o/a
Beam27 ft 8 in (8.43 m)
Draught10 ft 6 in (3.20 m)
Installed power
Propulsion2 Shafts; 2 steam turbines
Speed29 knots (54 km/h; 33 mph)
Range1,720 nmi (3,190 km; 1,980 mi) at 15 knots (28 km/h; 17 mph)
Complement74
Armament

HMS Lassoo was a Laforey-class destroyer built for the Royal Navy during the 1910s.

Description

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The Laforey class were improved and faster versions of the preceding Acasta class.[1] They displaced 965–1,010 long tons (980–1,026 t). The ships had an overall length of 268 feet 10 inches (81.9 m), a beam of 27 feet 8 inches (8.4 m) and a draught of 10 feet 6 inches (3.2 m). Lassoo was powered by two Parsons direct-drive steam turbines, each driving one propeller shaft, using steam provided by four Yarrow boilers.[2] The turbines developed a total of 24,500 shaft horsepower (18,300 kW) and gave a maximum speed of 29 knots (54 km/h; 33 mph). The ships carried a maximum of 280 long tons (280 t) of fuel oil that gave them a range of 1,750 nautical miles (3,240 km; 2,010 mi) at 15 knots (28 km/h; 17 mph). The ships' complement was 74 officers and ratings.[3]

The ships were armed with three single QF 4-inch (102 mm) Mark IV guns and two QF 1.5-pounder (37 mm) anti-aircraft guns. These latter guns were later replaced by a pair of QF 2-pounder (40 mm) "pom-pom" anti-aircraft guns. The ships were also fitted with two above-water twin mounts for 21-inch (533 mm) torpedoes.[3]

Construction and service

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She was built during the First World War as part of an emergency program of naval construction, to an Admiralty design by William Beardmore & Company, Dalmuir. She was originally to have been named Magic but she was renamed Lassoo on 15 February 1915 before being launched on 24 August 1915. She was sunk by the German U-boat SM UB-10 on 13 August 1916 off the Maas lightship in the North Sea.

Notes

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  1. ^ Friedman, p. 129
  2. ^ Gardiner & Gray, p. 76
  3. ^ a b Friedman, p. 296

Bibliography

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  • 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.
  • Dittmar, F.J. & Colledge, J.J. (1972). British Warships 1914–1919. Shepperton, UK: Ian Allan. ISBN 0-7110-0380-7.
  • Friedman, Norman (2009). British Destroyers: From Earliest Days to the Second World War. Barnsley, UK: Seaforth Publishing. ISBN 978-1-84832-049-9.
  • Gardiner, Robert & Gray, Randal (1985). Conway's All The World's Fighting Ships 1906–1921. London: Conway Maritime Press. ISBN 0-85177-245-5.