Re: SPACE: Is ISS a boondoggle?, was Re: SPACE: Why so much EVAonISS? (fwd)

From: Michael Lorrey (mlorrey@datamann.com)
Date: Thu Mar 22 2001 - 13:57:45 MST


Ken Clements wrote:
>
> "Robert J. Bradbury" wrote:
>
> > Its going to be an interesting end-game -- if you want
> > construction materials you go to the asteroids, but if you want standard
> > rocket fuel you go to the comets.
> >
>
> Now Robert, you know that the fact that water gives you rocket fuel does not
> logically imply that not having water means not having rocket fuel. Those
> dry asteroids have plenty of metal oxides that can be taken apart to have
> standard rocket fuel. Even if you had one that was almost all carbon,
> nanotech would be able to make micro mass drivers or ion drives that would do
> as well.

There are also ion/plasma drives that work off of iron as well.



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