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The aerodynamic center of a subsonic airfoil is located at approximately:

Q: The aerodynamic center of a subsonic airfoil is located at approximately:

25% chord (quarter chord). The aerodynamic center, where the pitching moment coefficient is constant with angle of attack, is near 25% chord for subsonic airfoils.

50% chord

The trailing edge

10% chord

25% chord (quarter chord)

25% chord (quarter chord)✓ Correct Answer

Explanation

The aerodynamic center, where the pitching moment coefficient is constant with angle of attack, is near 25% chord for subsonic airfoils.

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