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Say that we have a 3D wing which is entirely built using only a single type of airfoil. The aspect ratio of the wing is AR=16,6. As per the relationship between the vs polar curve of the 3D wing and the vs polar curves of the 2D airfoils it is made of, what is the value of in [º] at which 0,51 for the 3D wing, if the value of at which 0,51 for the 2D airfoils is 2,1º?
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