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Recent European Developments in HelicoptersDescriptions are given of two captured helicopters, one driven by electric power, the other by a gasoline engine. An account is given of flight tests of the gasoline powered vehicle. After 15 successful flight tests, the gasoline powered vehicle crashed due to the insufficient thrust. Also discussed here are the applications of helicopters for military observations, for meteorological work, and for carrying radio antennas.
Document ID
19930080916
Acquisition Source
Legacy CDMS
Document Type
Other
Date Acquired
September 6, 2013
Publication Date
April 1, 1921
Report/Patent Number
NACA-TN-47
Report Number: NACA-TN-47
Accession Number
93R10206
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Keywords
HELICOPTERS - DEVELOPMENT
HELICOPTERS, CAPTIVE

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