Английская Википедия:Armstrong Whitworth 12-inch 40-calibre naval gun

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The Armstrong Whitworth 12-inch naval gun of 40 calibres length was designed by and manufactured mainly by Armstrong's ordnance branch, Elswick Ordnance Company. It was intended for the Royal Navy's Шаблон:Sclasss, but budgetary constraints delayed their introduction. The first units were instead supplied to Japan. As the Type 41 12-inch (305 mm) 40-calibre naval gun it was the standard main battery on several early United Kingdom-built pre-dreadnought battleships of the Imperial Japanese Navy.

It later entered service with the RN as the 12-inch Mark IX, being fitted to warships of three pre-dreadnought classes prior to World War I. Also, during the war several guns were converted for use as railway guns, and, towards the end of the conflict, for use on the M-class submarine monitors.

The gun also saw service with the Italian Regia Marina, in two classes of pre-dreadnought battleships.

Design and development

The Type 41 12-inch naval gun was produced by Armstrong Whitworth, Elswick, Newcastle upon Tyne, as a slightly modified version of the "EOC G pattern" 12-inch guns used on contemporary Royal Navy battleships.

Japanese service

Japan purchased a total of 44 of these weapons for use on the four ships of the Шаблон:Sclass and Шаблон:Sclass, and the battleships Шаблон:Ship and Шаблон:Ship. Each ship carried four guns in twin turrets.

In combat at the Battle of the Yellow Sea in the Russo-Japanese War, the Japanese battleships Asahi, Шаблон:Ship and Mikasa all had one of their main guns taken out of action due to premature bore detonations.[1] The cause was traced to faulty fuses, and the problem was rectified prior to the Battle of Tsushima.

The gun was officially designated as "Type 41" from the 41st year of the reign of Emperor Meiji on 25 December 1908. It was further re-designated in centimetres on 5 October 1917 as part of the standardization process for the Imperial Japanese Navy to the metric system.

The Type 41 12-inch gun fired an Шаблон:Convert shell, with either an armour-piercing, high-explosive or general-purpose warhead.

United Kingdom service

Royal Navy service

Файл:HMS Queen forward 12-inch guns.jpg
Forward guns of Шаблон:HMS

The gun entered service with the Royal Navy as "BL 12 inch gun Mark IX"[note 1] on the following ships :

M-class submarine mounting

Файл:HMS M1 submarine model turret.jpg
Sectioned model showing mounting on submarine Шаблон:HMS

The gun was in service mounted on the three M-class submarines. HMS M2 and M3 had their guns removed in 1927–28.

Railway gun

Шаблон:Main Four guns were mounted on railway carriages and used by the British army in World War I on the Western Front.

United Kingdom ammunition

Italian service

Файл:VittorioEmanuele002.jpg
Fitted to Шаблон:Ship

Armstrongs also sold versions of their 12-inch 40-calibre gun to Italy to arm the two Шаблон:Sclass (commissioned 1905) and the four Шаблон:Sclasss (commissioned 1908). The version for the Regina Elena class fired a heavier Шаблон:Convert shell. The Regina Margheritas were lost during the war, the Regina Elenas scrapped after the war.

See also

Weapons of comparable role, performance and era

Notes

Шаблон:Reflist

References

Шаблон:Reflist

Bibliography

Further reading

External links

Шаблон:Commons category

Шаблон:GreatWarBritishNavalWeapons


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