Tony Fredericks wrote:
 
> 35 years ago there was the low thrust NERVA (Nuclear Energy for Rocket 
> Vehicle Applications).  The program was cancelled before I graduated from 
> high school in 1975.
> 
> Tony Fredericks                 "Mind that bus!"
> Amateur Rocket Scientist        "What Bus?"
> E.R.P.S. Member                 SPLAT!! - Arnold Rimmer
> 

NERVA wasn't a gas core system. NERVA was basically a standard nuclear
reactor and shielding configured to use hydrogen as a "moderator"
thereby heating it and then "flushing" it through a rocket nozzle. 

    Michael

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Michael Wallis   KF6SPF       (408) 396-9037        [EMAIL PROTECTED]
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