The launch of the Space Shuttle Columbia on STS-1 in April 1981 marked the beginning of a new era in American spaceflight. It was the only crewed first flight of a launch vehicle, and was also among the first vehicles to use large solid rockets as primary propulsion. A potential disaster was narrowly averted at liftoff when ignition overpressure waves pulse swept up the Shuttle stack. The frequency of this transient shock wave exceeded pre-launch predictions, and resulted in high, alternating normal accelerations along the length of the vehicle. Among the results of this unexpected loading was failure of an oxidizer tank support strut in the orbiter’s forward reaction control system module, which could have led to loss of the mission, crew and vehicle. This particular incident is investigated in more detail using classical structural mechanics, and the results are discussed to provide additional insight.


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    Title :

    STS-1 Forward RCS Oxidizer Tank Subsystem Failure Assessment


    Contributors:
    K. C. Wu (author) / J. J. Zipay (author)

    Publication date :

    2020


    Size :

    18 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




    STS-1 Forward RCS Oxidizer Tank Subsystem Failure Assessment

    Wu, K Chauncey / Zipay, John J. | AIAA | 2021



    STS-1 FORWARD RCS OXIDIZER TANK SUBSYSTEM FAILURE ASSESSMENT

    Wu, Chauncey / Zipay, John J. | TIBKAT | 2021