Vertical-tail loads were measured in turbulent air on a four-engine jet bomber. Results showed large load oscillations which were lightly damped. Comparison of experimental results with discrete-load calculations indicated that discrete-gust calculations underestimated the loads by 30 to 40 percent and gave no indication of the low damping. Power spectral analysis, on the other hand, indicated the general frequency characteristics and gave a somewhat better estimate of the peak-load distributions. The present results strongly suggest that discrete-gust calculation for gust loads on vertical tails may seriously underestimate the gust loads for airplanes having lightly damped lateral oscillations.


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    Titel :

    An investigation of the loads on the vertical tail of a jet-bomber airplane resulting from flight through rough air


    Beteiligte:
    Funk, Jack (Autor:in) / Rhyne, Richard H (Autor:in)

    Erscheinungsdatum :

    1956-10-01


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch