From: redin@lysator.liu.se   
      
   Hi!   
      
   Len Lekx  writes:   
      
   >    Now... I'm starting to think in terms of a flyback booster with a   
   > three- or four-minute burn time.  Drop the size of the 'main' tank so   
   > that it can be integrated into the orbiters' body.   
      
   Look up the early shuttle concepts. One very intresting idea was to   
   optimise the separation speed between the first and second stage so   
   that the first stage needed no other reentry "insulation" then perhaps   
   a sligthly heavier metal skin to soak up the heat.   
      
   Bets regards,   
   --   
   Min politiska hemsida http://www.lysator.liu.se/~redin   
   uppdaterades senast 2004-04-19.   
   Magnus Redin, Klockaregården 6, 586 44 LINKöPING, SWEDEN   
   Phone: Sweden (0)13 34 00 676  or  (0)705 16 00 46   
      
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