View Single Post
Old March 10th 07, 04:01 PM posted to,,,
Paul F. Dietz
external usenet poster
Posts: 599
Default The 100/10/1 Rule.

Herb Schaltegger wrote:
On Sat, 10 Mar 2007 00:54:39 -0600, Henry Spencer wrote
(in article ):

Also note that the mass-ratio disparity is not as large as you'd think,
because a dense-propellant SSTO needs less delta-V to reach orbit.

Um, what?

He explained that. What part of the explanation didn't you understand?