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| Class overview | |
|---|---|
| Builders | Hawthorn Leslie and Company, Hebburn |
| Operators |  Royal Navy |
| Built | 1914–1915 |
| In commission | 1915–1921 |
| Completed | 2 |
| Retired | 2 |
| General characteristics | |
| Type | Destroyer |
| Displacement | 1,057 long tons (1,074 t) |
| Length | 271 ft 6 in (82.75 m) o/a |
| Beam | 27 ft 6 in (8.38 m) |
| Draught | 10 ft 6 in (3.20 m) |
| Depth | 16 ft 9 in (5.11 m) |
| Propulsion | Yarrow-type boilers, Parsons I.R. steam turbines, 3 shafts, 27,000 hp (20,134 kW), 300 tons oil fuel |
| Speed | 35 knots (40 mph; 65 km/h) |
| Complement | 76 |
| Armament |
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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.