Thornycroft M class destroyer

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Thornycroft M or Mastiff class

RN Ensign
General Characteristics
Displacement: 985 - 1,070 tons
Length: 274 ft
Beam: 27 ft 6 in
Draught: 10 ft 6 in
Propulsion: Parsons (Meteor, Mastiff) / Brown-Curtis (others) steam turbines, 2 shafts, 26,500 shp
Speed: 35 kts
Range: 300 tons oil, ?
Complement: 82
Armament: 3 x 4 in L/40 QF Mark IV, mounting P Mk.IX

1 x single 2 pdr "pom-pom" Mk.II
2 x twin tubes for 21 in torpedoes

The Thornycroft M or Mastiff class were a class of destroyers completed for the Royal Navy during 1915 for World War I service. They were based on the Admiralty M class class to a modified design by J I Thornycroft. Like the standard M class they had 3 funnels, but the centre funnel was thicker in the Thornycroft ships. The midships 4 in gun was shipped between the 2nd and 3rd funnels. Patriot was fitted to carry a kite balloon.

[edit] Ships

  • Mastiff - Laid down July 1913, launched October 1914, completed November 1914.
  • Meteor - Laid down March 1913, launched July 1914, completed September 1914.
  • Patriot - Laid down July 1915, launched April 20 1916, completed June 1916. Transferred toRoyal Canadian Navy in 1920, subsequently scrapped in 1929 .
  • Patrician - Laid down June 1915, launched June 5 1916, completed July 1916. Transferred to Royal Canadian Navy in 1920,subsequently scrapped in 1929 .
  • Rapid - Laid down August 1915, launched July 15 1916, completed August 1916. Sold for scrap April 1927.
  • Ready - Laid down September 1915, launched August 26 1916, completed October 1916. Sold for scrap July 1926.

[edit] Bibliography

  • 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



M class destroyers
Admiralty M class | Hawthorn M class | Yarrow M class | Thornycroft M class | Yarrow Later M class

List of destroyers of the Royal Navy