Message posted by Southwest Utah Dude on May 26, 2009 at 17:37:41 PST:

Just Google Paul Czysz and wow,he seems to be the hypersonic propulsion Guru.Some very nice reading.

In Reply to: Re: Aeronautical Engineer Dr. Paul Czysz, Mach 12? posted by interesting on May 26, 2009 at 16:18:24 PST:

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