Pierce Nichols wrote:
> At 04:28 PM 4/4/2003 -0500, Henry Spencer wrote:
>
> >Technically, for it to be an *aero*spike, the spike must be truncated, and
> >after the wake closes, there must be some thrust contribution from base
> >pressure (the exhaust gas expanding against the virtual spike formed by
> >the trapped gas).
>
> This is correct. I've gotten in the bad habit of referring to plug
> nozzles as aerospikes. My bad.
>
> -p
>
> Mars or Bust!
> www.marssociety.com
>
A truncated plug nozzle would qualify as an aerospike engine, but I
gather the one in question was more a big engine with 5 nozzles than a
true aerospike (or plug nozzle for that matter).
Michael
----------------------------------------------------------------------
Michael Wallis KF6SPF (408) 396-9037 [EMAIL PROTECTED]
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