On Wed, 5 Mar 2003, Ian Woollard wrote:
> >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.
>
> Encyclopedia Astronautica:
> <http://www.astronautix.com/stages/titan21.htm> Gross Mass:
> 117,866 kg. Empty Mass: 6,736 kg...
Unfortunately, Isakowitz3 (International Reference Guide to Space Launch
Systems, AIAA) says gross 122t, empty 4t. It's not clear where the EA
numbers come from; the Isakowitz3 numbers come direct from the launcher
suppliers.
Henry Spencer
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