A theoretical method of analyzing the effects of yaw-damper dynamics on the stability of an aircraft equipped with a second-order yaw damper

Albert A Schy, Ordway B. Gates, Jr.
Dec 1952

A method is described for investigating the effects of the dynamic response of an autopilot on the stability of an aircraft-autopilot combination. The method is based on a study of the constant-damping curves obtained in a plane defined by varying two of the autopilot parameters.

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