Work of O. von ASBOTH reviewed with particular attention to development of Asboth A.H.X.; retractable tricycle undercarriage is one feature of this model; 39 ft diam rotor blades are set rigidly at angle corresponding to resultant between lift and centrifugal force and have no flapping hinges; structural considerations discussed.


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    Title :

    Real helicopter progress


    Additional title:

    Flight


    Contributors:

    Published in:

    Flight ; 36 , n 1600


    Publication date :

    1939


    Size :

    3 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


    Helicopter progress

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