Synonyme wurden verwendet für:
HELICOPTERS
Suche ohne Synonyme:
keywords:(HELICOPTERS)
Die Flugmaschinen : Theorie und Praxis ; Berechnung der Drachenflieger und Schraubenflieger
Die Flugkunst ohne Schleier : Statistik von 1911 über die Flieger-Unfälle
Recent European Developments in Helicopters
A series of flight effected with helicopter on the 15 28 and 29 of Jan 1921
Theoretical discussion of the problem of helicopters
The actual state of the helicopter problem
Independent sustentation of an aeroplano in air
Flight tests performed with Oehmichen helicopter in January 1921
The helicopter and the variable pitch propeller
Will captive helicopters replace the observation balloon?
Air travel with special reference to the helicopter
Successful helicopter trials at McCook field
My experience with helicopters
First helicopter to fly a circular kilometer
Model tests on the economy and effectiveness of helicopter propellers
"Helioplane" developed by resident of New Westminster, B. C.