Consider an NAC A 2412 airfoil (the meaning of the number designations for standard NACA airfoil shapes
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Consider an NAC A 2412 airfoil (the meaning of the number designations for standard NACA airfoil shapes is discussed in Chap. 4). The following is a tabulation of the lift, drag, and moment coefficients about the quarter chord for this airfoil, as a function of angle of attack.
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a(degrees) c₁ -2.0 0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 Cd 0.05 0.006 0.25 0.006 0.44 0.006 0.64 0.007 0.85 0.0075 1.08 0.0092 1.26 0.0115 1.43 0.0150 1.56 0.0186 Cm.c/4 -0.042 -0.040 -0.038 -0.036 -0.036 -0.036 -0.034 -0.030 -0.025
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