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Confusion about calculation of aerodynamic moments

  1. Hello,

    Can anybody explain how the aerodynamic moment is calculated for an airfoil ?
    I was reading the first chapter in "Fundamentals of Aerodynamics" by Anderson & the formula for aerodynamic moment for the lower surface of the airfoil confused me. Is the aerodynamic moment calculated about some other point for the lower surface ?
    Thank you.
     
  2. jcsd
  3. need more information like page where to find in that book?
     
  4. no need now, i figured it out myself. was just interpreting it wrongly.
     
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