Spacecraft of four representative but widely varying missions, one earth-orbital and one interplanetary each in mid-1970 and mid-1980 time periods, are examined; maintenance analyses of subsystems and components, vehicle configuration optimizations; and statistical results of several hundred mission simulations are described and evaluated; effects of hardware reliability and failure rates, skills, environmental factors, mission durations and resupply potential, and various resources are considered; tables, charts, and graphs summarizing analytical results and displaying parametric sensitivities are provided; gross cost estimates are included. (17101)


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    Titel :

    Maintainability of manned spacecraft for long-duration flights


    Weitere Titelangaben:

    NASA CR


    Erschienen in:

    Erscheinungsdatum :

    1968


    Format / Umfang :

    50 pages


    Medientyp :

    Report


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :