Marshal Ney-class monitor

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Marshal Ney with guns trained to starboard
Class overview
Name	Marshal Ney class
Builders	Palmers Shipbuilding and Iron Company
Operators	Royal Navy
Preceded by	Lord Clive class
Succeeded by	Gorgon class
In service	1915–1957
In commission	1915
Completed	2
General characteristics [1]
Type	Monitor
Displacement	6,670 tons (Standard) 6,900 tons (Full load)
Length	355 ft (108 m)
Beam	90 ft (27 m)
Draught	10 ft 5 in (3.18 m)
Propulsion	Diesel engines (MAN for Ney, Vickers for Soult), 2 shafts, 1,500 hp
Speed	9 knots (17 km/h) designed 6 knots (11 km/h) best actual
Complement	187
Armament	2 × 15-inch main guns in a single turret 8 × 4 in (100 mm) guns 2 × single mount 3-inch (76 mm) guns 2 × 12-pounders
Armour	Turret: 13 in (330 mm) Barbette: 8 in (203 mm) Belt: 4 in (102 mm)

The Marshal Ney class was a class of monitor built for the Royal Navy during the First World War.

The need for monitors for shelling enemy positions from the English Channel had become apparent only at the start of the war and they were designed with some haste. The design of monitors had been given by the Director of Naval Construction, Eustace Tennyson d'Eyncourt, to an Assistant Constructor, Charles S. Lillicrap (later himself to become Director). By the time the Marshal Neys came about some 33 monitors of various sorts had already been ordered. The redesign of the battlecruisers Renown and Repulse meant that there were now two modern 15-inch turrets available. The First Sea Lord Lord Fisher and Winston Churchill, First Lord of the Admiralty decided these should be used for two more monitors, initially M 13 and M 14, but then renamed after the French Napoleonic War marshals Jean-de-Dieu Soult and Michel Ney.

For machinery the two monitors received diesel engines, which were then a novelty – the majority of ships being steam powered. The use of diesels meant that they had no need of boiler rooms which went well with a low draught, nor of large funnels which reduced the amount of superstructure. These engines were originally designed for much smaller freighters and therefore they proved particularly slow and unreliable.

The turret was on multi-sided barbette made of individual flat plates, cutting down on the build time. The 4-inch (102 mm) guns were disposed along her sides for protection from smaller vessels, the 3-inch (76 mm) guns being for anti-aircraft use.

• Marshal Soult

Built by Palmers, Newcastle

Launched June 1915

Completed August 1915

Served with the Dover Monitor Squadron, after the war became a gunnery training ship. At the start of World War II she was considered for recommissioning but instead her turret was removed for a new monitor, Abercrombie, and she became a headquarters ship. She was paid off and scrapped in 1946

• Marshal Ney

Built by Palmers, Newcastle

Launched August 1915

Completed November 1915

After trials the turret was removed for Erebus and she was regunned with 6- and 4-inch (102 mm) guns and acted as a guardship until the end of the war. She later acted as a depot ship gaining onshore buildings, and was renamed Alaunia II and was only finally scrapped in 1957

Wikimedia Commons has media related to Marshal Ney-class monitors.

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• Buxton, Ian (2008) [1978]. Big Gun Monitors: Design, Construction and Operations 1914–1945 (2nd Revised ed.). Barnsley, UK: Seaforth Publishing. ISBN 978-1-84415-719-8.
• Crossley, Jim (2013). Monitors of the Royal Navy; How the Fleet Brought the Great Guns to Bear. Barnsley, UK: Pen & Sword. ISBN 978-1-78383-004-6.
• Dittmar, F. J. & Colledge, J. J., "British Warships 1914-1919", (Ian Allan, London, 1972), ISBN 0-7110-0380-7
• Dunn, Steve R (2017). Securing the Narrow Sea: The Dover Patrol 1914–1918. Barnsley, UK: Seaforth Publishing. ISBN 978-1-84832-251-6.
• Friedman, Norman (2011). Naval Weapons of World War One: Guns, Torpedoes, Mines and ASW Weapons of All Nations; An Illustrated Directory. Barnsley: Seaforth Publishing. ISBN 978-1-84832-100-7.
• Gray, Randal (ed), "Conway's All the World's Fighting Ships 1906–1921", (Conway Maritime Press, London, 1985), ISBN 0-85177-245-5
• Parkes, Oscar; Prendergast, Maurice, eds. (1969) [1919]. Jane's Fighting Ships 1919. New York: Arco Publishing Co. ISBN 978-0-71534-716-4. OCLC 1902851.