Wing weight per sq. ft. cut in half as result of soaring-flight experiments. 2-hp. engine would maintain winning German machine in level flight in still air, allowing for propulsive efficiency of 70 per cent. Lessons for low-powered airplane design.
Glider results point way to sport plane development
Automotive Industries
Automotive Industries ; 47 , n 15 ; p 722-723
1922
2 pages
5 Figs.
Article (Journal)
English
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