HMS ''Lassoo'' was a built for the

Royal Navy The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against F ...

during the 1910s.

Description

The ''Laforey'' class were improved and faster versions of the preceding .Friedman, p. 129 They displaced . The ships had an

overall length The overall length (OAL) of an ammunition cartridge is a measurement from the base of the brass shell casing to the tip of the bullet, seated into the brass casing. Cartridge overall length, or "COL", is important to safe functioning of reloads in ...

of , a

beam Beam may refer to: Streams of particles or energy *Light beam, or beam of light, a directional projection of light energy **Laser beam *Particle beam, a stream of charged or neutral particles **Charged particle beam, a spatially localized grou ...

of and a draught of . ''Lassoo'' was powered by two

Parsons Parsons may refer to: Places In the United States: * Parsons, Kansas, a city * Parsons, Missouri, an unincorporated community * Parsons, Tennessee, a city * Parsons, West Virginia, a town * Camp Parsons, a Boy Scout camp in the state of Washingto ...

direct-drive

steam turbine A steam turbine is a machine that extracts thermal energy from pressurized steam and uses it to do mechanical work on a rotating output shaft. Its modern manifestation was invented by Charles Parsons in 1884. Fabrication of a modern steam turbin ...

s, each driving one propeller shaft, using steam provided by four Yarrow boilers.Gardiner & Gray, p. 76 The turbines developed a total of and gave a maximum speed of . The ships carried a maximum of of

fuel oil Fuel oil is any of various fractions obtained from the distillation of petroleum (crude oil). Such oils include distillates (the lighter fractions) and residues (the heavier fractions). Fuel oils include heavy fuel oil, marine fuel oil (MFO), bun ...

that gave them a range of at . The ships' complement was 74 officers and ratings.Friedman, p. 296 The ships were armed with three single QF Mark IV guns and two QF 1.5-pounder (37 mm)

anti-aircraft gun Anti-aircraft warfare, counter-air or air defence forces is the battlespace response to aerial warfare, defined by NATO as "all measures designed to nullify or reduce the effectiveness of hostile air action".AAP-6 It includes surface based, ...

s. 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 torpedoes.

Construction and service

She was built during the

First World War World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...

as part of an emergency program of naval construction, to an

Admiralty Admiralty most often refers to: *Admiralty, Hong Kong * Admiralty (United Kingdom), military department in command of the Royal Navy from 1707 to 1964 *The rank of admiral * Admiralty law Admiralty can also refer to: Buildings *Admiralty, Tr ...

design by

William Beardmore & Company William Beardmore and Company was a British engineering and shipbuilding conglomerate based in Glasgow and the surrounding Clydeside area. It was active from 1886 to the mid-1930s and at its peak employed about 40,000 people. It was founded and ...

, 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 on 13 August 1916 off the Maas lightship in the

North Sea The North Sea lies between Great Britain, Norway, Denmark, Germany, the Netherlands and Belgium. An epeiric sea on the European continental shelf, it connects to the Atlantic Ocean through the English Channel in the south and the Norwegian S ...

Notes

Bibliography

* * * * {{DEFAULTSORT:Lassoo (1915) Laforey-class destroyers (1913) Ships built on the River Clyde 1915 ships World War I destroyers of the United Kingdom Ships sunk by German submarines in World War I World War I shipwrecks in the North Sea Maritime incidents in 1916