A review is given of limitations on approach flight paths of V/STOL aircraft, including limits on descent angle due to maximum drag/lift ratio. A method of calculating maximum drag/lift ratio of tilt-wing and deflected slipstream aircraft is presented. Derivatives and transfer functions for the CL-84 tilt-wing and X-22A tilt-duct aircraft are presented. For the unaugmented CL-84 in steep descents the transfer function relating descent angle to thrust contains a right-half plane zero. Using optimal control theory, it is shown that this zero causes a serious degradation in the accuracy with which steep flight paths can be followed in the presence of gusts.


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    Titel :

    Fundamental limitations on V/STOL terminal guidance due to aircraft characteristics


    Beteiligte:
    Wolkovitch, J. (Autor:in) / Lamont, C. W. (Autor:in) / Lochtie, D. W. (Autor:in)

    Erscheinungsdatum :

    01.12.1971


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Fundamental limitations on V/STOL terminal guidance due to aircraft characteristics

    Wolkovitch, Julian / LaMont, Charles W. / Lochtie, D. Wiliam | TIBKAT | 1971


    Fundamental Limitations on V/STOL Terminal Guidance Due to Aircraft Characteristics

    J. Wolkovitch / C. W. Lamont / D. W. Lochtie | NTIS | 1971


    4-D guidance of STOL aircraft

    CAPEN, E. | AIAA | 1971


    Four-D guidance of STOL aircraft in the terminal area

    Pecsvaradi, T. / Erzberger, H. | NTRS | 1972


    The 4-D Guidance of STOL Aircraft in the Terminal Area

    T. Pecsvaradi / H. Erzberger | NTIS | 1972