From: foo@bar.baz.invalid.retro.com   
      
   Makhno  wrote:   
   > This makes three assumptions, One is that we're air-breathing all   
   > the way, which might not be too unreasonable because the hardest   
   > part (where g is highest and the engine will be working its hardest)   
   > has plenty of air. Even at high altititudes a super-charger or   
   > similar technology could be applied to allow the engine to breath   
   > the air, only switching to a liquid oxygen tank, or oxygen-less fuel   
   > when truely in space.   
      
   Could you be better off stopping part way up to fill the O2 tanks   
   using those superchargers/whatever instead of lugging them up filled   
   from the surface?  After all, you could just hang there on the tether   
   right?   
      
   rick jones   
   --   
   firebug n, the idiot who tosses a lit cigarette out his car window   
   these opinions are mine, all mine; HP might not want them anyway... :)   
   feel free to post, OR email to raj in cup.hp.com  but NOT BOTH...   
      
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    * Origin: you cannot sedate... all the things you hate (1:229/2)