From: g_d_pusch_remove_underscores@xnet.com   
      
   msu1049321@aol.com (MSu1049321) writes:   
      
   > If an MHD, you have exhaust that can be an additional, albeit minor,   
   > source of thrust.   
      
   I think you will find that to produce a reasonable amount of power, you   
   will need to use a rather significant (i.e., not a "minor") flow of mass,   
   which would quickly exhaust your supply of working fluid unless you are   
   running a "closed cycle" MHD unit...   
      
      
   -- Gordon D. Pusch   
      
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