Performance of the tug-glider system was severely limited by ground run. In most cases studied, additional engines were necessary. Except at short ranges for which additional payload were carried in the tow plane, the productivity of the basic aircraft was degraded by a reduction in cruise speed necessitated by the glider drag. Excessive aspect ratios did not improve system performance because of the increase in glider wing weight. Powered gliders using a tow plane only for takeoff and climb had the potential for a major reduction in fuel consumption. Uncertainty of restrictive regulatory action and the apparently increased airborne investment per unit productivity are obstacles to commercial development.


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    Titel :

    Preliminary Study of Tug-Glider Freight Systems Utilizing a Boeing 747 as the Tug


    Beteiligte:
    H. H. Heyson (Autor:in) / W. E. Foss (Autor:in)

    Erscheinungsdatum :

    1977


    Format / Umfang :

    52 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch





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