The Focke helicopter /
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 R...
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, D.C. :
National Advisory Committee for Aeronautics,
[1938]
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| Series: | Technical memorandum (United States. National Advisory Committee for Aeronautics) ;
no. 858 |
| Subjects: | |
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