Principles of Knoller-Betz effect which led to investigations of flapping wing with rear-wing; rotating "undulator" has been developed which, in conjunction with rigid rear-wing, constitutes novel "undulating propeller"; results of various experiments and wind tunnel tests show that propeller is capable of producing good thrust, of increasing lift and of preventing separation of flow; examples of possible applications are given.
Undulating propeller, novel propulsion mechanism for water, cross-country and aircraft vehicles
Der Wellpropeller, ein neuer Antrieb fuer Wasser-, Land- und Luftfahrzeuge
Zeitschrift fuer Flugwissenschaften ; 13 , n 12
1965
8 pages
Aufsatz (Zeitschrift)
Englisch
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|Engineering Index Backfile | 1965
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