Mars Academy

    Specific Impulse of various types of Rocket Engines    

    Engine Type            Specific Impulse (sec)

       Chemical                150-450
    Nuclear Thermal            825-925
    ARCJET (Electrothermal)    800-1200
    MPD (Electromagnetic)      2000-5000
    ION (Electrostatic)        3500-10000

    Source : "Strategies for Mars", Chapter 8, "Pathways to Mars" by John C. Niehoff and Stephen J. Hoffman

 

 


      

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