From: tlsnodgr@mchsi.com   
      
   there is a combination of factors.   
      
   the combustion gas already has a considerable inerita towards the   
   outlet.  plus the gas entering through the inlet creates higher pressure   
   there than at the outlet. The concept of path of least resistance   
   applies here.   
      
   peter wrote:   
   > In looking at a ramjet/scramjet diagram, it seems that the burnt gas would   
   > want to go in both direction: towards both the inlet and the outlet. Since   
   > there is no valve to prevent a back flow, why wouldn't this push the air out   
   > of the inlet and stall the engine?   
   >   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)