Comparison of helicopter with airplane with regard to power used for support and for flight, safe landing, stability and structural safety; in author's opinion, it is highly unlikely that helicopter type of machine will ever afford useful means of getting from place to place. Lecture before Roy. Aeronautical Soc. of G. B.
Air travel with special reference to the helicopter
Aerial Age
Aerial Age ; 16 , n 6
1923
3 pages
Aufsatz (Zeitschrift)
Englisch
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