New type of plane developed by author, called convertiplane, combines high speed of conventional, fixed wing airplanes with ability of helicopter to hover or to ascend and descend vertically.


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    Title :

    Designed for conversion


    Additional title:

    Am Helicopter


    Contributors:
    Roman, A.I. (author)

    Published in:

    Publication date :

    1949


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :