A Mars rocket-propelled hopper concept was evaluated for feasibility through analysis and experiments. The approach set forth in this paper is to combine the use of in-situ resources in a new Mars mobility concept that will greatly enhance the science return while providing the first opportunity towards reducing the risk of incorporating ISRU into the critical path for the highly coveted, but currently unaffordable, sample return mission. Experimental tests were performed on a high-pressure, self-throttling gaseous oxygen/methane propulsion system to simulate a two-burn-with-coast hop profile. Analysis of the trajectory, production plant requirements, and vehicle mass indicates that a small hopper vehicle could hop 2 km every 30 days with an initial mass of less than 60 kg. A larger vehicle can hop 15 km every 30 to 60 days with an initial mass of 300 to 430 kg.


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    Title :

    Mars Surface Mobility Leading to Sustainable Exploration



    Conference:

    50th AIAA Aerospace Sciences Meeting ; 2012 ; Nashville, TN, United States


    Publication date :

    2012-01-09


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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