From: mstreet@internode.on.net   
      
   silvajp@yahoo.com wrote:   
      
   > Any know how they are going to do Thermal Protection for the   
   > Rocketplane XP?   
   > Surely a stock Leer Jet fusalage will melt on reentry from 100KM, right?   
      
   If it's doing a SpaceShip One-type trajectory, it won't need much in the way   
   of thermal protection.  Remember that the speed of reentry is going to be   
   low; it's not like an orbital reentry.   
      
   The TPS on the X-15 was AFAIK more for the high-speed research flights, not   
   the high-altitude ones.   
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   Malcolm Street   
   Canberra, Australia   
   The nation's capital   
      
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