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Old 8th April 2013 | 15:19
  #23 (permalink)  
Microburst2002
 
Joined: Mar 2005
Posts: 1,338
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From: Uh... Where was I?
what is the legend in those graphs, exactly?

Real air has impact pressure. The more impact pressure, the more Lift, the more Drag, etc.
Then why don't we use an indication of that magnitude to fly an airplane?

Why do we use two instruments (altimeter and ASI) instead of one?
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