BL 9.2 inch gun Mk IX–X

The BL 9.2 inch gun Mk IX or Mk X was a British cannon, as a ship and the coast artillery gun from 1899 until the fifties of the 20th Century was used. She is one of the most widely used and longest heavy weapons of the United Kingdom and the Commonwealth.

History

Execution of the Mk IX in 1899 only 14 was built. The Mk X version had a revised closure and changed trains in the pipe. For export was at Elswick and Vickers, a small number of guns with a tube length of 45 calibres made. These were referred to as 9.2 inch gun Mk XIV. Propellant charge and projectile were identical with the Mk IX / X and the Mk XIV.

Construction

The BL 9.2 inch gun Mk IX / Mk X was a breech-loading rifled. There were both splinter explosive shells of the type Mk IV and armor-piercing shells of type Mk V (marine and coastal artillery) and Mk VIIA (rail guns) are used. As the types of propellants were Mk I (51 ½ lb) or MD (60 lb, each ½ load) is used.

Ship gun

The Mark X was on the cruiser classes Cressy, Drake and Duke of Edinburgh use, as well as on the battleship s the King Edward VII class. In 1915 she came to the monitors M 15 (type of ship) to M 18 for use.

In 1910, the Elswick Ordnance Company built 4 Mk XIV from its own production in two twin towers on the Greek cruiser Georgios Averof one.

Coast Artillery

Guns of this type presented together with the BL 6 inch Mk VII naval gun armament of the most widespread coastal artillery dar. By April 1918, three MK IX and X set up a total of 53 Mk. A variety of guns was used for coastal defense in many parts of the British Empire, such Example, in Malta, Singapore and Australia.

During the First World War, some of these guns was stationed at the still held by the Allies section of the Belgian coast. Under the command of Admiral Sir Reginald Bacon heavy German artillery positions they fought.

Railgun

The Elswick Ordnance Company in 1916 built two guns of the Mk X version, and four originally destined for export and built by Vickers Mk XIV to the Railgun s for use on the Western Front and in Belgium.

Decommissioned

The decommissioning was in the fifties of the 20th Century, were available as rocket artillery systems for coastal defense.

Users countries

•Great Britain

•Australia

•Portugal (BL 9.2-inch Mk XV, Mk IX on mounting)

Literature

•Text Book of Gunnery, 1902. LONDON: PRINTED FOR HIS MAJESTY’S STATIONERY OFFICE, BY HARRISON AND SONS, ST. MARTIN’S LANE

•General Sir Martin Farndale, History of the Royal Regiment of Artillery: Forgotten Fronts and the Home Base 1914-18. London: The Royal Artillery Institution, 1988

•Hogg, IV and Thurston, LF (1972). British Artillery Weapons and Ammunition from 1914 to 1918. Ian Allan, London. ISBN 0-7110-0381-5

•Tony DiGiulian, British 9.2 “/ 47 (23.4 cm) Mark IX

•Tony DiGiulian, British 9.2 “/ 47 (23.4 cm) Mark X

Gun Caliber 200 mm to 300 mm

Ship gun

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