From: madbadrabbit@yahoo.com   
      
   henry@spsystems.net (Henry Spencer) wrote:   
      
   > [...] If you could somehow stabilize the tank, so it reentered   
   > broadside-on (for maximum frontal area) with a slow spin on its   
   > axis (so heating would be spread evenly instead of being   
   > concentrated on one side), in theory it should survive reentry.   
   > Landing it intact is left as an exercise for the student. :-)   
      
   Would it slow to subsonic speeds before hitting the ground?   
   If so, maybe it could deploy a hydrogen gasbag to stay aloft.   
   A 40 m diameter balloon ought to be enough lift for the empty   
   tank, if I've done my sums correctly.   
      
      
   >;K   
      
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