Flight test data are used to extract the lateral aerodynamic parameters of the F-8C airplane at moderate to high angles of attack. The data were obtained during perturbations of the airplane from steady turns with trim normal accelerations from 1.5g to 3.0g. The angle-of-attack variation from trim was negligible. The aerodynamic coefficients extracted from flight data were compared with several other sets of coefficients, and the extracted coefficients resulted in characteristics for the Dutch roll mode (at the highest angles of attack) similar to those of a set of coefficients that have been the basis of several simulations of the F-8C. Iterative determination of aerodynamic derivatives from flight test data obtained near trim at Mach numbers of 0.7 and 0.8; the variables include flight conditions, instrument ranges, estimated standard deviations, aerodynamic parameter correlation, damping ratios, time histories, aileron input, and rudder input; 9 figures and 8 tables.


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    Title :

    Lateral Aerodynamic Parameters Extracted from Flight Data for the F-8C Airplane in Maneuvering Flight


    Contributors:
    W. T. Suit (author)

    Publication date :

    1977


    Size :

    46 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English