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An unsymmetrical airfoil, also known as a cambered airfoil, has a shape that is not symmetric about its chord line, meaning the upper and lower surfaces have different curvatures. This design allows for a difference in airflow speed over the top and bottom surfaces, generating lift even at zero angle of attack. Unsymmetrical airfoils are commonly used in aircraft wings to enhance performance, particularly at lower speeds and during takeoff and landing. Their design helps improve efficiency and stability by maximizing lift while minimizing drag.

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1d ago

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