mediumlift
The aerodynamic center of a subsonic airfoil is located at approximately:
A
50% chord
B
The trailing edge
C
10% chord
D
25% chord (quarter chord)
D
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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