Editorial on basic fundamental principle of helicopter, in which all lift is derived from one or more lifting rotors to which power is applied from engine; author is convinced that ultimately helicopter will become popular type of airplane and that its public acceptance may be developed through potential commercial uses.


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    Title :

    Promise of direct-lift airplane


    Additional title:

    Aero Digest


    Contributors:

    Published in:

    Aero Digest ; 46 , n 2


    Publication date :

    1944


    Size :

    2 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


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