SOME BASIC CONSIDERATIONS REGARDING THE LONGITUDINAL DYNAMICS OF AIRCRAFT AND HELICOPTERS
PRINCETON UNIV NJ
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A discussion of the longitudinal motion of an airframe is presented. General relationships between the stability derivatives of the airplane and the single rotor helicopter are considered. It is shown that the basic character of the longitudinal motion is primarily determined by the angle of attack stability and the velocity stability. The variation in the modes of motion produced by these two stability derivatives is presented. Consideration of the relationships between the flight variables in the modes of motion is included.