A study was conducted in which available airload and blade response data for the NH-3A and CH-53A rotors were analyzed in an attempt to provide greater insight into the sources of rotor vibratory loads in both level and maneuvering flight. Primary emphasis in the study was placed on examining and understanding causes of high-frequency rotor control loads. Secondary objectives were: (1) to examine the effect of number of rotor blades on hub vibratory shear forces and (2) to assess which of the many terms appearing in the hub vibratory shear force expression were of most significance.


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    Title :

    Analysis of helicopter maneuver-loads and rotor-loads flight test data


    Contributors:
    Beno, E. A. (author)

    Publication date :

    1973-03-01


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English


    Keywords :