Hawthorn M-class destroyer

Hawthorn M-class destroyer

Class overview
Builders:	Hawthorn Leslie and Company, Hebburn
Operators:	Royal Navy
Built:	1914–1915
In commission:	1915–1921
Completed:	2

General characteristics
Type:	Destroyer
Displacement:	1,057 long tons (1,074 t)
Length:	271 ft (83 m) o/a
Beam:	27 ft 6 in (8.38 m)
Draught:	10 ft 6 in (3.20 m)
Propulsion:	Yarrow-type boilers, 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:	• 3 × QF 4 in (102 mm) Mark IV guns, mounting P Mk.IX • 1 × single QF 2 pdr "pom-pom" Mk.II • 2 × twin 21 in (533 mm) torpedo tubes

The Hawthorn M (or Mansfield) 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. The midships 4 inch gun was shipped between the second and third funnels. Both ships were laid down in 1914 and completed in 1915. Both survived the war.

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[]

Mentor, launched 21 August 1914, sold for breaking up 9 May 1921.
Mansfield, launched 3 December 1914, sold for breaking up 26 October 1921.

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

Royal Navy

Admiralty M class	Murray Myngs Matchless Milne Morris Moorsom Negro Mandate Mons Michael Marmion Marne Mystic Martial Milbrook Prince Pylades Maenad Mameluke Mindful Nessus Magic Minion Opal Manners Marvel Mary Rose Ossory Mischief Menace Moresby Opportune Munster Noble Napier Onslaught Nonsuch Nestor Oracle Narwhal Nepean Nicator Nomad Onslow Nereus Narborough Pigeon Plover Partridge Medina Pelican Norman Orestes Petard Paladin Nizam Penn Pasley Medway Orford Plucky Observer Peyton Pellew Nonpareil Peregrine Offa Orpheus Octavia Parthian Northesk Oriole Portia Norseman Osiris Oberon Orcadia Oriana Ophelia Pheasant Obedient North Star Phoebe Obdurate Nugent

Hawthorn M class	Mentor Mansfield

Thornycroft M class	Meteor Mastiff Patriot Patrician Rapid Ready

Yarrow M class	Miranda Minos Manley Moon Morning Star Mounsey Musketeer Nerissa Relentless Rival

Yarrow Later M class	Sabrina Strongbow Surprise Sybille Truculent Tyrant Ulleswater

Royal Canadian Navy


Thornycroft M class	Patriot Patrician

Preceded by: Laforey class

Followed by: R class

List of destroyers of the Royal Navy

v t e British naval ship classes of the First World War

Aircraft/Seaplane carriers	Anne^S Argus^S Ark Royal^S Ben-my-Chree^S Campania^S Empress^S Engadine^S Furious^M Manxman^S Nairana^S Pegasus^S Raven II^S Riviera^S Vindex^S Vindictive^S

Dreadnought battleships	Dreadnought^S Bellerophon St. Vincent Neptune^S Colossus Orion King George V Erin^S Agincourt^S Iron Duke Canada^S Queen Elizabeth Revenge

Pre-dreadnought battleships	Royal Sovereign Majestic Canopus Formidable Duncan King Edward VII Swiftsure Lord Nelson

Battlecruisers	Invincible Indefatigable Lion Queen Mary^S Tiger^S Renown Courageous Admiral^S^C Incomparable^X

Armoured cruisers	Cressy Drake Monmouth Devonshire Duke of Edinburgh Warrior Minotaur

Heavy cruisers	Hawkins

Light cruisers	Town^G Arethusa C^{G, C} Danae^C Emerald^A

Protected cruisers	Apollo Astraea Eclipse Blake Pearl Edgar Powerful Diadem Arrogant Pelorus Highflyer Challenger Topaze

Scout cruisers	Adventure Forward Pathfinder Sentinel Boadicea Blonde Active

Destroyer flotilla leaders	Swift^S Faulknor Marksman Parker Admiralty (or Scott)^C Thornycroft (or Shakespeare)^C

Destroyers	A^G B^G C^G D^G E^G F Cricket^G G H I K L Admiralty M Hawthorn M Thornycroft M Yarrow M Yarrow Later M R^G S^{G, C} Talisman V and W^{G, C}

Monitors	Marshal Ney Abercrombie Lord Clive Humber Gorgon M15 M29 Erebus

Minesweepers	Flower Racecourse Hunt 24^C

Gunboats	Fly Insect

Submarines	A B C D E F G H^C J K L^C M^C R^C Swordfish^S V

S Single ship of class C One or more completed after the war X Cancelled G Grouping of several classes A All completed after the war V Conversions M converted from Courageous class

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Hawthorn M-class destroyer

Ships[]

Bibliography[]

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