Gun, Machine, Rolls-Royce, Experimental
TypeHeavy machine gun
Place of originUnited Kingdom
Service history
In servicePrototype only
WarsWorld War II
Production history
Designed1940-42
Specifications
Calibre.50 in (12.7 mm)
Effective firing range1,800 m (2,200 yd)

The Rolls-Royce Experimental Machine Gun was a prototype British heavy machine gun, designed by Rolls-Royce during World War II.

Britain wanted to equip aircraft with the Browning M2 .50 caliber machine gun by buying direct from America, but since this was the main heavy caliber machine gun of the U.S. Army and its Air Corps none could be spared for export. Thus Rolls-Royce commenced design of a heavy machine gun in early 1940, intended for use in aircraft.[1] The result was a recoil-operated weapon firing .50 Browning cartridges. This was evaluated in March 1941 and proved prone to stoppages.[2] A revised gas-operated weapon was designed and built to try to solve these problems.[3]

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.[4]

All work on the Rolls-Royce machine guns was abandoned in 1942,[2] by which time supply of the M2 Browning from the U.S.A. had started.[5]

References

Notes
  1. ↑ Birch 2000, p. 87
  2. 1 2 Hogg 1990, p. 344
  3. ↑ Birch 2000, p. 97
  4. ↑ Birch 2000, p. 98
  5. ↑ Birch 2000, p. 94
Bibliography
  • Birch, David. Rolls-Royce Armaments. 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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