Aerodynamic characteristics of wings with cambered external airfoil flaps, including lateral control, with a full-span flap (1936)
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REPORT NATIONAL ADVISORY COMMITTEE FOR AERONAUTICS 48 44 40 36 I •t> Ox h < 28$ o t. o .cj ~0 24^ c CD 28 "5 20 o <o 0 Q. 24 \ 20 16% u o -4 o -S? -8 t -12 16 20 14 1.6 1.8 .2 .4 .6 .8 1.0 1.2 4 3 12 16 20 24 Lift coefficient, & Angle of attack, a (degrees) Figure 27.—The N. A. C. A. 23012 airfoil… … Size: I0"x60" Where tested:L.M.A.L. -16 -.4 -8 Pres. (sfnd. aim.): I Vel. (ft/sec): 117.3 Corrected for tunnel-wall effect. -20 -.6 -12 1.6 1.8 4 .6 .8 1.0 1.2 1.4 28 0 4 8 12 16 20 24 Lift coefficient, C Angle of aifack, a (degrees) Figure 28—The N. A. C. A. 23012airfoil with 0.20c Clark Y flap.…
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