Characteristics of propeller sections tested in the variable density wind tunnel (1928)
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132 REPORT NATIONAL ADVISORY COMMITTEE FOR AERONAUTICS … of U. S. N. P. S. 4 at dirreront values of E. N. Fig. 15.—Characteristic curves of U. S. N. P. S 3 at different values of R. N. Fio, 16.—Cliaracteristio carves t-d\ 1 1 1 1 \ \ \ \ ! 1 1 \ \ \-36 1.8 .36 32/.e 28 1.4 24 1.2 20 1-0 16 .8 LjD 12 .6 8 .4 4 .2 0 ^ <x Camber. 20 Comber J 6 U.S.N.P.S.5…
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