THE STUDY OF OPERATIONAL PROBLEMS AND TECHNIQUES IN WIND TUNNEL TESTING OF VTOL AND STOL VEHICLES.
Progress rept. no. 3, 1 Oct 64-31 Mar 65,
WASHINGTON UNIV SEATTLE
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The primary purpose of this investigation is to develop an economical method of experimentally checking the effect of wind tunnel wall constraints on rotors, ducted fans, tilt props, and other methods of obtaining aircraft with VSTOL performance, by the use of inserts within a wind tunnel to simulate different size test sections. Author