On Wed, 19 Feb 2003 14:15:41 -0500 (EST), Henry Spencer
<[EMAIL PROTECTED]> wrote:

>80%+ for heat-exchanger rockets, like Jordin Kare's current concepts.

I didn't know he'd gone past pulse detonation.  Is there a URL?

>Not nearly as good for the more elegant scheme which blows thin layers of
>gas off a chunk of solid propellant:  10-30% and lots of fairly difficult
>development needed to make it work well. 

That I also didn't know.  Or is the difficult part the vehicle
attitude control vs. beam propagation issue?

-R

--
Every complex, difficult problem has a simple,
easy solution - which is wrong.
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