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Homework Help: Why lift curves go through origin for some airfoils

  1. Sep 24, 2009 #1
    1. The problem statement, all variables and given/known data

    Why does the lift curve, Coefficient of lift plotted against angle of attack, go through the origin of the graph for some airfoils but not for other airfoils

    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Sep 25, 2009 #2
    Hee jij zit zeker in het eerste jaar van L&R?
     
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