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Old 25th March 2009 | 15:48
  #9 (permalink)  
h3dxb
 
Joined: Mar 2009
Posts: 214
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From: Middle East
This is true, but U don't pump Air in , U flow it through...
The pressure in flight is hold to appr. 2000m ASL, so less than on ground, but it is still a closed system, when U look from outside,

sorry I can't override this Albert Einstein
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