Michael Lorrey wrote:
> c) scramjet/rocket chem or nuke insertion stage into orbit.
> What is the mass fraction a vehicle would need if it was already
> travelling 1000 mph at 15,000 on a 30 degree trajectory, from the
Ill look for my spreadsheet I wrote on this about 8 yrs ago.
The 1000 mph and 15000 ft help less than I would have
expected, so it was disappointing. As I recall, it reduced
fuel needs by around 15%. Doug, do you have an active
spreadsheet for this? spike
This archive was generated by hypermail 2b30 : Mon May 28 2001 - 09:59:40 MDT