Standardization Tests of NACA No. 1 Wind Tunnel (1925)
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into account only iu the case of the largest airfoil; for the other three the effect was so small that accurate determinations could not be made. A polar {C^ vs. C,) was plotted for each pair of tests. To get at the more basic airfoil characteristics, the parabola of induced drag for the aspect… … Fui. ().—15X90 cm. airfoil ou wire balance. DISCUSSION. The data from these tests is presented in Tables XI-XXIX and the Figures 13-30 give the resulting polars. The coordinates of these mean polars are tabulated in Table XXX. The parabolas of induced drag on these plots include the Prandtl…
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