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Wind-Tunnel Investigation of an N.A.C.A. 23012 Airfoil with a Slotted Flap and Three Types of Auxiliary Flap (1938)

NASA Technical Reports Server (NTRS) · leaf 21

An illustration from Wind-Tunnel Investigation of an N.A.C.A. 23012 Airfoil with a Slotted Flap and Three Types of Auxiliary Flap, 1938, leaf 21 — -20 2.0 2.2 2.4 2£ 2.8 3.0 -.2 0 .2 .4 .6 .8 1.0 1.2 1.4 1.6 1.8 Lift coefficient, ct Figure 5

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