David Masten wrote:
> Perhaps this will be more clear (if your MUA does ASCII art correctly):
>
> Aerospike nozzle: Bell nozzle of similar exit area:
> __________________ /\
> \ / / \
> \ / / \
> -------------- / \
> / \
> / \
> / \
> / \
> / \
> _______________________________________________________ line showing
> where exit area is for both nozzles.
>
> Note the difference in amount of material. I believe a better figure is
> available in Sutton, if not, Huzel & Huang has one.
Ya ... we've gotten into the bad habit of saying "aerospike engines"
when we really mean "plug nozzle aerospike engines".
Michael
----------------------------------------------------------------------
Michael Wallis KF6SPF (408) 396-9037 [EMAIL PROTECTED]
"As for me, I labour always to prepare a way for those willing to
follow". - Samuel de Champlain, 1615
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