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Wing spar location

  1. Feb 2, 2014 #1
    Hi, I wonder where is the best location for a wing spar thorugh its cord. Up to where I know it is on the Aerodynamic center (approximately 1/4 of the chord from the leading edge) because is the point on the chord where the lift acts. I am using a 17in chord S1223 airfoil.
     
  2. jcsd
  3. Feb 2, 2014 #2

    SteamKing

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    The best location for a wing spar is where the airfoil is thickest. The strength of a given spar is proportional to the square of the depth of the spar. That's basic strength of materials.
     
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