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The Elimination of Dead Center in the Controls of Airplanes With Thick Sections

Description: "In several instances where control flaps are placed in the trailing edges of thick sections, it has appeared that a dead center (slackness or lack of control) exists about the neutral position. The condition was also experienced in the rudder action of the XB1A observation airplane. Examination of smoke pictures of the airflow around struts and airfoils indicates what may be the cause of the phenomenon" (p. 1).
Date: November 1922
Creator: Carroll, Thomas
Item Type: Refine your search to only Report
open access

A Preliminary Study of Airplane Performance

Description: Flight tests were carried out at the Langley Field laboratory of the NACA, on several airplanes for the purpose of determining their relative performance with the same engine and the same propeller. The method used consisted in flying each airplane on a level course and measuring the airspeed for the whole range of engine revolutions. In general the results show that a small change in the wing section or the wing area has but a slight effect upon the performance, but changes in those parts whic… more
Date: November 1922
Creator: Norton, F. H. & Brown, W. G.
Item Type: Refine your search to only Report
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