NASA NTRS · 19930094558
The Focke Helicopter
Abstract
This report presents some of the problems concerning tests of helicopters, such as forced landings, controllability and stability, general safety, piloting maneuvers, performance, servicing, and the production of lift of a propeller. Test flights are described including a 67.67 mph flight by Hanna Reitsch.
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Focke, H, Kruger, K B. 1938-04-01. The Focke Helicopter. https://ntrs.nasa.gov/citations/19930094558
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