Shows that for every direction of wind there is a ratio of traveling speed to wind velocity for which fuel consumption per km. is lowest; can be calculated or determined from curves.
Economic speed of airships
Die wirtschaftliche Fahrgeschwindigkeit von Luftschiffen
Luftfahrt ; 29 , n 8
1925
4 pages
7 Figs.
Article (Journal)
German
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Economic optimization of cargo airships
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