A resonance fatigue test was carried out on the rear fuselage and empennage of a CT4 aircraft. The structure was supported in a reaction frame, and was excited at the resonant frequency of the fuselage torsional mode (9 Hz) by electromagnetic shakers connected to the tailplane. The loading spectrum applied was based on strain sequence data obtained from flight trials. Regular inspections of the structure were carried out, and several areas on the rear fuselage and empennage were identified as being prone to fatigue damage.


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    Title :

    Resonance Fatigue Test of the Empennage of a CT4 Aircraft


    Contributors:
    I. Anderson (author) / L. Molent (author)

    Publication date :

    1985


    Size :

    36 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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