The interference between a 45° sweptback wing and a systematic series of four bodies has been investigated at subsonic and transonic speeds. Measurements have beep made of the aerodynamic characteristics at nonlifting and lifting conditions for the various wing-body configu-rations and bodies alone at Mach numbers from 0.6o to 1.13 in the Langley 8-foot transonic tunnel. The wing had an aspect ratio of 4, a taper ratio of 0.6, and NACA 65AOO6 airfoil sections. The original body had a curved profile from the nose to the base;the second had an increased length with a cylindrical midsection between the forebody and boattailed afterbody;the third was the same length as the original body but had a cylindrical afterbody in conjunction with the original forebody;the final configuration was a combination of the second and third modifications, resulting in a cylindrical portion extending from the vicinity of the wing leading edge to the base of the model.
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