At 11:37 AM 2/20/2003 -0800, Michael Wallis wrote:
Pierce Nichols wrote:> Umm, no. Water is 89% oxygen and only 11% hydrogen, by mass. > Methane is a bit better, at 25% hydrogen. LH2 is not sufficiently > troublesome to make either a worthwhile proposition. The point of shipping water is that you get H2 fuel and O2 for air. Both are very useful.
The mass of O2 required for life support is likely to be a small fraction of the LH2 required for propulsion. Also, see Henry's point about the ungodly energy requirements.
-p
Mars or Bust!
www.marssociety.com
_______________________________________________
ERPS-list mailing list
[EMAIL PROTECTED]
http://lists.erps.org/mailman/listinfo/erps-list
