Determination of the Profile Drag of an Airplane Wing in Flight at High Reynolds Numbers (1939)
NASA Technical Reports Server (NTRS) · leaf 5
le in the plane of the the cam is advanced one tooth at a time by a click. wake surveys was approximately the N. A. C. A. The dick is actuated by a bellows expanded hydrau- 2414.5 section with a chord of 8.86 feet. Measured lically by the operation of a piston in the cockpit. ordinates of this… … Figure i --Finished smooth wing and survey apparatus* on a boom near the wing tip. The static tube was The profile drag of the wing with the original surface calibrated against the static side of a suspended air- was determined in the same plane as the smooth wing. speed head. The profile was…
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