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A Flettner airplane is a type of rotor airplane which uses a Flettner rotor to provide lift. The rotor comprises a spinning cylinder with circular end plates and, in an aircraft, spins about a spanwise horizontal axis. When the aircraft moves forward the Magnus effect creates lift.
An inherent safety concern is that if power to the rotating drums was lost—even if thrust was maintained—the aircraft would lose its ability to generate lift as the drum slowed and it would not be able to sustain flight.
- Corporation, Bonnier (November 1930). "Whirling Spools Lift This Plane". Popular Science Monthly: 26.
- Seifert, Jost (2012), "A review of the Magnus effect in aeronautics", Progress in Aerospace Sciences, 55: 17–45, Bibcode:2012PrAeS..55...17S, doi:10.1016/j.paerosci.2012.07.001
- Ray, Keith (2015). The Strangest Aircraft of All Time. Stroud, Gloucestershire GL5 2QG: The History Press. p. 48. ISBN 9780750960977.CS1 maint: location (link)
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