The motion of an aircraft operating under perfect speed constraint (e.g. by an appropriate autothrottle) is examined theoretically and it is shown that, if engine thrust acts through the aircraft center of gravity, the aircraft will have weak flight path stability in descending flight but be unstable in climb. These effects are readily overshadowed by thrust effects in the sense that with low-slung engines the aircraft motion is destabilized and vice versa. Manual flight with autothrottle engaged is, therefore, shown to be potentially dangerous as the strong flight-path stability possessed by the natural aircraft is suppressed and inadvertent glide-path errors are not self-correcting. (Author)


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    Titel :

    Glide-Path Stability of an Aircraft under Speed Constraint


    Beteiligte:
    W. J. Pinsker (Autor:in)

    Erscheinungsdatum :

    1972


    Format / Umfang :

    17 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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