Cooper, 1912, The Dring vortex propeller

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Refers to Dring's letter in preceding issue, Dring, 1912, Helicopters and insect flight. Cooper dobuts Dring's claim regarding the supremacy of the vortex propeller and challenges him to produce data supporting it.


Original title The Dring vortex propeller
Simple title The Dring vortex propeller
Authors Bertram G. Cooper
Date 1912-04-27
Countries GB
Languages en
Keywords Thomas Augustus Dring, propeller, propulsion
Journal Flight
Related to aircraft?
Page count 1
Word count
Wikidata id

Sources

  • Brockett (1921), page 302, entry 23: Cooper, Bertram G. The Dring vortex propeller. Flight, No. 174, Vol. 4, No. 17 (Apr. 27, 1912), London, p. 386. (B2p0302e23)
  • Scan at Internet Archive