Ornithoplane

4191. Wels, F. Feb. 24, 1912, [Convention date]. Aerial machines without aerostats; propelling; steering.-The flapping wings 6 of a flying-machine are hinged about a common longitudinal axis 5 in the plane of symmetry of the machine to the frame 1 of the machine, and the upward air pressure on the w...

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Bibliographic Details
Main Author WELS FRANZ
Format Patent
LanguageFrench
Published 17.06.1913
Subjects
AEROPLANES
AIRCRAFT
AVIATION
COSMONAUTICS
HELICOPTERS
PERFORMING OPERATIONS
TRANSPORTING
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