Descriptions 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.


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    Title :

    Recent European Developments in Helicopters


    Publication date :

    1921-04-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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