It might not be that much of a challenge , remember the Titan also had to burn 2-3% Of GLOW to run it's turbopumps , and pressure feds can be trickier about using waste heat . like Hot helium .
Kevin Bollinger ----- Original Message ----- From: "Henry Spencer" <[EMAIL PROTECTED]> To: "ERPS" <[EMAIL PROTECTED]> Sent: Wednesday, March 05, 2003 8:13 AM Subject: Re: [ERPS] blowdown SSTO > 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 > [EMAIL PROTECTED] > > _______________________________________________ > ERPS-list mailing list > [EMAIL PROTECTED] > http://lists.erps.org/mailman/listinfo/erps-list > _______________________________________________ ERPS-list mailing list [EMAIL PROTECTED] http://lists.erps.org/mailman/listinfo/erps-list
