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Why NACA 0012 airfoil is said to be symmetric airfoil?

Why NACA 0012 airfoil is said to be symmetric airfoil? Correct Answer Because of no camber

The NACA 0012 airfoil indicates the symmetric airfoil, because an airfoil with no camber, that is with the camber line and chord line co-incident in an airfoil is called a symmetric airfoil. For the NACA 0012 airfoil is with a maximum thickness of 12%.

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