Full-Scale Wind-Tunnel Tests of a PCA-2 Autogiro Rotor (1935)
NASA Technical Reports Server (NTRS) · leaf 5
s re- set -up. The rotor was set at about 10° angle of at- peated at other air speeds. For each condition of 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… … Solidity, , 0.0976. (a) Protuberances exposed. Disk area (b) Protuberances faired. Figure 2.—Geometrical characteristics of the PCA-2 autogiro rotor. Figure 3.—Protuberances on PCA-2 autogiro rotor blade. Force tests were made by the following procedure: pressure. In order to compute true air…
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