Lockheed Martin is developing concepts for safe, affordable Two Stage to Orbit (TSTO) reusable launch vehicles as part of NASA s Space Launch Initiaiive. This paper discusses the options considered for the design of the TSTO, the impact of each of these options on the vehicle configuration, the criteria used for selection of preferred configurations, and the results of the selection process. More than twenty configurations were developed in detail in order to compare optioiis such as propellant choice, serial vs. parallel burn sequence, use of propellant crossfeed between stages, bimese or optimized stage designs, and high or low staging velocities. Each configuration was analyzed not only for performance and sizing, but also for cost and reliability. The study concluded that kerosene was the superior fuel for first stages, and that bimese vehicles were not attractive.


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    Titel :

    Selection of Lockheed Martin's Preferred TSTO Configurations for the Space Launch Initiative


    Beteiligte:

    Kongress:

    2002 World Space Congress (IAF/COSPAR/AIAA) ; 2002 ; Houston, TX, United States


    Erscheinungsdatum :

    01.01.2002


    Medientyp :

    Preprint


    Format :

    Keine Angabe


    Sprache :

    Englisch





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