On Fri, 28 Feb 2003, Ian Woollard wrote:
> I've run simulations of this sort of thing; roughly speaking. You're
> looking at a dry mass fraction of less than 4%, probably closer to 3%;
> that's about 1/2 that of a Roton... Challenging!
Yes, it's about equal to what the Titan II first stage achieved in 1961.
For some reason, matching that does seem to be a big challenge.
(I'll admit it's probably more of a challenge with pressure feed...)
Henry Spencer
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