From: smithm@SPAMBLOCKnetapps.com.au.retro.com   
      
   On 28 Feb 2005 11:02:17 -0800   
   "Brucebo"  wrote:   
      
   > Is is possible to make it into earth orbit using a sub-G thrusting   
   > rocket motor together with a hypersonic lifting body?   
      
   Airfoils (including lifting bodies) lose efficency once they hypersonic.   
   That, combined with the higher drag at hypersonic speeds will make it   
   impossible to continue acceleration with sub-G thrust.   
   --   
   Michael Smith   
   Network Applications   
   www.netapps.com.au   | +61 (0) 416 062 898   
   Web Hosting          | Internet Services   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)