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. or in terms of the dimensionless coefficients
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Fig. 3.22 Location of center of pressure versus a for parabolic cambered plate
(d)
xa. c. 1
c 4
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The aerodynamic center is located at quarter-chord for all thin airfoils. The moment at the aerodynamic center is
independent of a.
Application:
• flat plate Cm, a.c. — 0
• parabolic plate Cm, a.c. — – nd.