Importance of sense of hearing for motorless flights; microphone arrangement in wings to make air currents audible; character of sound indicates angle of incidence. (Translated Abstract) (See also Genie Civil, vol. 96, no. 25, June 21, 1930, pp. 606-607, 4 figs.)
Consideration on motorless flight
Considerations sur le vol sans moteur
Mechanical Engineering ; 52 , n 11
1930
Article (Journal)
English
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Consideration on motorless flight
Engineering Index Backfile | 1930
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NTRS | 1973
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