The paramount importance of high payload reliability is questioned in the light of payload recoverability in Spacelab and Space Shuttle experiments, and cost effectiveness through less stringent reliability requirements backed up by recovery and reflight of the experiment if necessary is considered. Ground rules and parameters for assessing reliability and recoverability in relation to mission cost effectiveness are advanced. Mission success probability (for one or several flights), experiment hardware cost, design reliability, cost of orbiting the experiment, support system reliability, and other relevant parameters are identified and discussed, and graphs of experimental total cost envelope are plotted. It is proposed that reliability and quality assurance standards be weighed against failure costs and penalties in the case of recoverable space systems.


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    Title :

    Choosing reliability level for Shuttle-carried payloads


    Contributors:


    Publication date :

    1976-12-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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