In this paper, the masses in low earth orbit (LEO) were compared for several propulsion systems: nitrogen tetroxide/monomethyl hydrazine, oxygen/methane, oxygen/hydrogen, and metallized O2/H2/Al propellants. Also, the payload mass increases enabled with these systems were addressed. In addition, many system design issues involving the engine thrust levels, engine commonality between the transfer vehicle and the excursion vehicle, and the number of launches to place the lunar mission vehicles into LEO are discussed. Analyses of small lunar missions launched from a single STS-C flight are also presented.


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    Title :

    Lunar missions using advanced chemical propulsion - System design issues


    Contributors:

    Publication date :

    1990-07-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English