RE: RE: RE: starship-design: YES, we might do it.

["L. Parker" <lparker@cacaphony.net>]

Kelly,
 
> Also there are the practical problems.  The space infastructure to do the
> mining would take so much lift and cost to set up, that it would greatly
> outweigh any on orbit damand for resources.  For the cost of 
> seting it up, you
> could ship years, maybe decades of material up from Earth.  But 
> by then the
> mine could be obsolete.  Worse, without the mines, you'ld never need the
> masive facilities in orbit.  So you might wind up seting up a 
> mine, that does
> nothing but support itself.

The point at which it all becomes practical ia $100/lb to LEO.

Lee