The aerodynamic characteristics of six commonly used Airfoils over a large range of positive and negative angles of attack

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Summary: This paper presents the results of tests of six commonly used airfoils: the CYH, the N-22, the C-72, the Boeing 106, and the Gottingen 398. The lifts, drags, and pitching moments of the airfoils were measured through a large range of positive and negative angles of attack. The tests were made in the variable density wind tunnel of the National Advisory Committee for Aeronautics at a large Boeing 106, and the Gottingen 398 airfoils, the negative maximum lift coefficients were found to be approximately half the positive; but for the M-6 and the CYH, which have less effective values were, respectively, 0.8 and 0.6 of the positive values.
Collection: NASA Technical Reports Server (NTRS) Collection.
Note: Document ID: 19930081159.
Accession ID: 93R10449.
NACA-TN-397.
Terms of Use and Reproduction: No Copyright.

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