Full-Scale Wind-Tunnel Tests of a PCA-2 Autogiro Rotor (1935)
NASA Technical Reports Server (NTRS) · leaf 5
REPORT NATIONAL ADVISORY COMMITTEE FOR AERONAUTICS TEST PROCEDURE necessary readings were taken. The angle of attack The rotor was started by the air stream, no mechani- was then adjusted to give other desired rotor speeds, cal starting gear having been incorporated in the test readings were again… … Figure 1.—FCA-2 autogiro rotor in N. A. C. A. full-scale wind tunnel. tack, the wind tunnel was started slowly by jogging operation the readings of all the scales were mechani- cally recorded and visual readings were taken of rotor on and off the lowest-speed switch point, and the air speed was…
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