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Hawthorn M-class destroyer

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Class overview
BuildersHawthorn Leslie and Company, Hebburn
Operators Royal Navy
Built1914–1915
In commission1915–1921
Completed2
Retired2
General characteristics
TypeDestroyer
Displacement1,057 long tons (1,074 t)
Length271 ft 6 in (82.75 m) o/a
Beam27 ft 6 in (8.38 m)
Draught10 ft 6 in (3.20 m)
Depth16 ft 9 in (5.11 m)
PropulsionYarrow-type boilers, Parsons I.R. steam turbines, 3 shafts, 27,000 hp (20,134 kW), 300 tons oil fuel
Speed35 knots (40 mph; 65 km/h)
Complement76
Armament

The Hawthorn M (or Mansfield) Class were a class of two destroyers built for the Royal Navy under the pre-war 1913-14 Programme for World War I service.

They were similar to the Admiralty M class, but completed to a modified design by Hawthorn Leslie and Company, Hebburn on Tyne. 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

[edit]
  • Mentor, launched 21 August 1914, completed January 1915, sold for breaking up 9 May 1921 to Thos. W. Ward at Hayle.
  • Mansfield, launched 3 December 1914, completed April 1915, sold for breaking up 26 October 1921 to Barking Ship Breaking Company.

Bibliography

[edit]
  • Destroyers of the Royal Navy, 1893-1981, Maurice Cocker, 1983, Ian Allan ISBN 0-7110-1075-7
  • Jane's Fighting Ships, 1919, Jane's Publishing