(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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