Rolls-Royce Experimental Machine Gun
|Gun, Machine, Rolls-Royce, Experimental|
|Type||Heavy machine gun|
|Place of origin||United Kingdom|
|In service||Prototype only|
|Wars||World War II|
|Calibre||.50 in (12.7 mm)|
|Effective firing range||1,800 m (2,200 yd)|
Rolls-Royce commenced design of a heavy machine gun in early 1940, intended for use in aircraft. The result was a recoil operated weapon firing .50 Browning cartridges. This was evaluated in March 1941 and proved prone to stoppages. A revised gas-operated weapon was designed and built to try and solve these problems.
As well as the .50 inch versions, it was planned to modify the gas operated gun to fire the more powerful .55 inch ammunition used in the Boys anti-tank rifle. All work on the Rolls-Royce machine guns was abandoned in 1942.
Rolls-Royce did produce a small number of 40mm aircraft cannon. Although not deployed in action on aircraft, they were used on motor boats.
- Birch 2000, p. 87
- Hogg 1990, p.344
- Birch 2000, p.97
- Birch 2000, p.98
- Birch, David. Rolls-Royce Armament. Derby, UK: Rolls-Royce Heritage Trust. 2000. ISBN 1-872922-15-5.
- Hogg, Ian V. and Weeks, John S. Military Small Arms of the 20th Century. Iola WI: Krause. 7th Edition, 1990. ISBN 0-87341-824-7.
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