OVER THE PAST TWENTY YEARS the speed of helicopters has almost doubled whilst the payload carried per pound of helicopter weight has increased more than four times. Thus the productivity of the helicopter per lb of vehicle has increased eight-fold.


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    Title :

    The development and prospects of helicopters


    Contributors:


    Publication date :

    1974-02-01


    Size :

    7 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




    Development of french helicopters

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    Lame´ / M. | Engineering Index Backfile | 1921


    PERSPECTIVES OF HELICOPTERS DEVELOPMENT

    Wasilak, A. | British Library Online Contents | 2002


    PERSPECTIVES OF HELICOPTERS DEVELOPMENT

    Wasilak, A. / Polskie Stowarzyszenie Wiroplatowe | British Library Conference Proceedings | 2002