Any one endeavoring to solve the problem of soaring flight is confronted not only by structural difficulties, but also by the often far more difficult aerodynamic problem of flight properties and efficiency, which can only be determined by experimenting with the finished glider.
Problem of glider models
01.09.1922
Sonstige
Keine Angabe
Englisch
Online Contents | 1999
Engineering Index Backfile | 1945
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