Need in application to convertiplanes discussed from operational viewpoint; application such as rescue mission emphasized; history of Vertol retractable rotor and program for its development.


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    Title :

    Development of retractable rotor


    Additional title:

    Am Helicopter Soc -- J


    Contributors:


    Publication date :

    1957


    Size :

    7 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


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