The Hawthorn M (or Mansfield) Class were a

class Class or The Class may refer to: Common uses not otherwise categorized * Class (biology), a taxonomic rank * Class (knowledge representation), a collection of individuals or objects * Class (philosophy), an analytical concept used differently ...

of two destroyers built for the

Royal Navy The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by Kingdom of England, English and Kingdom of Scotland, Scottish kings from the early medieval period, the first major maritime engagements were foug ...

under the pre-war 1913-14 Programme for

World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was List of wars and anthropogenic disasters by death toll, one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, ...

service. They were similar to the Admiralty M class, but completed to a modified design by

Hawthorn Leslie and Company R. & W. Hawthorn, Leslie and Company, Limited, usually referred to as Hawthorn Leslie, was a shipbuilding, shipbuilder and locomotive manufacturer. The company was founded on Tyneside in 1886 and ceased building ships in 1982. History The comp ...

Hebburn on Tyne Hebburn is a town in the metropolitan county of Tyne and Wear, England. It governed under the borough of South Tyneside; formerly governed under the county of Durham until 1974 with its own urban district from 1894 until 1974. It is on the so ...

. They had four funnels instead of the three funnels of the Admiralty design; as a consequence, they were the last four-funnelled destroyers (apart from Leaders) to be built for the Royal Navy. The midships 4 inch gun was shipped between the second and third funnels. Both ships were laid down on 9 July 1914 and completed in 1915. Both survived the war and were scrapped in 1921, Hawthorn Leslie subsequently received orders for two further M class destroyers as part of the large batch of orders placed in May 1915, but these two - ''Pidgeon'' and ''Plover'' - were built to the Admiralty M class design.

Ships

* , launched 21 August 1914, completed January 1915, sold for breaking up 9 May 1921 to

Thos. W. Ward Thos. W. Ward Ltd was a Sheffield, Yorkshire, steel, engineering and cement business, which began as coal and coke merchants. It expanded into recycling metal for Sheffield's steel industry, and then the supply and manufacture of machinery. I ...

Hayle Hayle ( kw, Heyl, "estuary") is a port town and civil parish in west Cornwall, England. It is situated at the mouth of the Hayle River (which discharges into St Ives Bay) and is approximately seven miles (11 km) northeast of Penzance. ...

. * , launched 3 December 1914, completed April 1915, sold for breaking up 26 October 1921 to Barking Ship Breaking Company.

Bibliography

* ''Destroyers of the Royal Navy, 1893-1981'', Maurice Cocker, 1983, Ian Allan * ''Jane's Fighting Ships, 1919'', Jane's Publishing {{WWI British ships, state=collapsed M class destroyer Hawthorn Ship classes of the Royal Navy