Three theoretical problems which fundamentally govern prospects of helicopters, lifting power, stability and gliding ability are considered. English translation of paper indexed in Engineering Index 1922 p 326, from Zeit fuer Flugtechnik u Motorluftschiffahrt Dec 31 1921.
Helicopter theory
Aircraft Eng
Aircraft Engineering ; 12 , n 139
1940
6 pages
Aufsatz (Zeitschrift)
Englisch
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Emerald Group Publishing | 1940
|TIBKAT | 1995
|NTRS | 1980
|Engineering Index Backfile | 1936
|Emerald Group Publishing | 1936
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