The limitations of wind tunnel measurements, panel method calculations, and calculations based on measured store separation trajectories as reliable aerodynamic interference data were investigated. An aerodynamic load measuring store was developed consisting of a support structure to be mounted from 14 to 30 inch bomb racks, a load measuring balance, and a shape representing the store to be analyzed. A flight test program was carried out with a store resembling a BLU 1/B, on an NF-5A aircraft in various configurations. The results are compared with wind tunnel data from various sources, panel method calculation results, and data obtained from in-flight separation tests. It is shown that in-flight measurement of aerodynamic loads allows a reduction in the number of flight tests required to demonstrate safe separation.


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    Title :

    In-Flight Measurement of Aerodynamic Loads on Captive Stores, Description of the Measurement Equipment and Comparison of Results with Data from Other Sources


    Contributors:

    Publication date :

    1978


    Size :

    34 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English