The report concerns the results of an investigation into the cause of failure of DRTE rocket BB II-50. During flight, the rocket developed a diverging angle of attack which caused the nose tip and fins to break off. This, together with a reduction of the trajectory angle, prevented the vehicle from reaching a useful altitude. With the help of wind tunnel tests, it is shown that the divergent angle of attack is caused by effects of vehicle asymmetries and non-linear aerodynamic moments. Roll magnitude, roll direction, and other aerodynamic moments are included in the following analysis of stability. The analysis provides a probable explanation for other flight failures of fin stabilized vehicles. The conclusions provide general guide lines for the design of future rocket payloads to ensure stable flight. (Author)


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    Title :

    Non-Linear Dynamic Instability of Black Brant Single Stage Rockets


    Contributors:
    J. Huva (author)

    Publication date :

    1968


    Size :

    9 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English





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