Stability and control derivative estimates obtained from the first three Space Shuttle entries are presented. The derivative estimates were obtained using the established modified maximum likelihood estimation program (MMLE3). The method of analysis used by the MMLE3 program is reviewed, the Shuttle configuration and data system are described, and the various types of maneuvers analyzed from the three entries are illustrated. Finally, the paper presents selected derivative results and compares them with predictions. Most of the flight-derived estimates agreed fairly well with predictions, considering the lack of experience in these new flight regimes. The most notable exception was the aerodynamic interference caused by firing the reaction control jets in the atmosphere. The flight results showed this interference to be considerably smaller than predicted.


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    Title :

    Selected stability and control derivatives from the first three Space Shuttle entries


    Contributors:
    Maine, R. E. (author) / Iliff, K. W. (author)

    Conference:

    Atmospheric Flight Mechanics Conference ; 1982 ; San Diego, CA


    Publication date :

    1982-08-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English