Ground and Air Resonance Characteristics of a Soft In-Plane Rigid-Rotor System

Author： Donham R. E.   Cardinale S. V.   Sachs I. B.  

Publisher： AHS International

ISSN： 2161-6027

Source： Journal of the American Helicopter Society, Vol.14, Iss.4, 1969-10, pp. : 33-41

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