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Old 8th Jan 2011, 09:50
  #14 (permalink)  
Join Date: Jul 2009
Location: France - mostly
Age: 80
Posts: 1,689

As pointed out already in the first response to OP, lift is represented by a force acting in the aerodynamic center AND a moment. The lift force then increases with AoA while the moment is approx. constant. Alternatively, lift can be represented as a force acting in the center of pressure without a moment.
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