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Tests of N.A.C.A. airfoils in the variable-density wind tunnel Series 230. (1936)
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5S … .2 .4 .6 .8 1.0 12 1,4 1.6 18 -tf -4 0 4 8 12 16 20 24 28 32 -4 -.2 0 Angle of attack, a (degrees) Lift coefficient, ck Mi Figure 2.-N,A.£A.230Q9 airfoil OH ■ ■ ■ i iNASA Technical Reports Server (NTRS)
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