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A Centrifugal machine gun being tested during the 1920s.

A Centrifugal machine gun is a machine gun that uses a swivelling component to rotate the bullets at high speed using centrifugal force. The first known example was the Winans Steam Gun, which was externally powered. Many were designed in the early 20th century and found uneffective at various ranges.


  • NRC Report 1919, Page 40.
  • Demonstration of Ordnance Materiel at Aberdeen Proving Grounds, Maryland, 1920-26, US National Archives.
  • Scientific American v.124, Jan-Jun 1921.
  • Scientific American v.118, Jan-Jun 1918.
  • Hatcher’s Notebook, J. Hatcher (1962)
  • Army Ordnance: The Journal of the Army Ordnance, v.1-2 (1920-1922).
  • United States Congressional House Documents Vol.119, 1921.
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