In a response to NASA's X-37 TA-10 Cycle-1 contract, Boeing assessed nitrogen tetroxide (N2O4) and monomethyl hydrazine (MMH) Storable Propellant Propulsion Systems to select a low risk X-37 propulsion development approach. Space Shuttle lessons learned, planetary spacecraft, and Boeing Satellite HS-601 systems were reviewed to arrive at a low risk and reliable storable propulsion system. This paper describes the requirements, trade studies, design solutions, flight and ground operational issues which drove X-37 toward the selection of a storable propulsion system. The design of storable propulsion systems offers the leveraging of hardware experience that can accelerate progress toward critical design. It also involves the experience gained from launching systems using MMH and N2O4 propellants. Leveraging of previously flight-qualified hardware may offer economic benefits and may reduce risk in cost and schedule. This paper summarizes recommendations based on experience gained from Space Shuttle and similar propulsion systems utilizing MMH and N2O4 propellants. System design insights gained from flying storable propulsion are presented and addressed in the context of the design approach of the X-37 propulsion system.


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    Titel :

    X-37 Storable Propulsion System Design and Operations


    Beteiligte:
    Rodriguez, Henry (Autor:in) / Popp, Chris (Autor:in) / Rehagen, Ronald J. (Autor:in)

    Kongress:

    41st AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit ; 2005 ; Tucson, AZ, United States


    Erscheinungsdatum :

    2005-01-01


    Medientyp :

    Preprint


    Format :

    Keine Angabe


    Sprache :

    Englisch




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    Rodriguez, Henry / Popp, Chris / Rehegan, Ronald J. | NTRS | 2006


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    FRIEDLAENDER, F. | AIAA | 1968


    Space storable propulsion system comparison.

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