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Interference on an Airfoil of Finite Span in an Open Wind Tunnel

Description: "The wall interference on an airfoil of finite span in an open-throat rectangular section has been treated theoretically and the result is presented in a convenient formula. Numerical results are given in tables and diagrams" (p. 355).
Date: April 20, 1933
Creator: Theodorsen, Theodore
Partner: UNT Libraries Government Documents Department
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Tests of nacelle-propeller combinations in various positions with reference to wings 3: Clark y wing - various radial-engine cowlings - tractor propeller

Description: From Summary: "This report is the third of a series giving the results obtained in the 20-foot wind tunnel on the interference drag, and propulsive efficiency of nacelle-propeller-wing combinations. The first report gave the results of the tests of an NACA cowled air-cooled engine nacelle with tractor propeller located in 21 positions with reference to a thick wing. The second report gave the results for several engine cowlings and nacelles with tractor propeller located in four positions with … more
Date: April 20, 1933
Creator: Wood, Donald H.
Partner: UNT Libraries Government Documents Department
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