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Response, Loads and Stability of Rotors With Interconnected Blades

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An isolated rotor with blades interconnected through viscoelastic elements is analyzed for response, loads and stability in moment trim under forward flight conditions. A conceptual model of a multibladed rotor with rigid flap and lag motions is considered. Although the interconnecting elements are placed in the in‐plane direction, considerable coupling between the flap‐lag motions of the blades can occur in certain ranges of interblade element stiffness. Interblade coupling can yield significant changes in the response, loads and stability which are dependent on the interblade element and rotor parameters.

Document Type: Research Article


Affiliations: Helicopter Design Bureau, Hindustan Aeronautics Ltd., Bangalore 560017, India

Publication date: 1996-10-01

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  • The Journal of the American Helicopter Society is the world's only scientific journal dedicated to vertical flight technology. It is a peer-reviewed technical journal published quarterly by AHS International and presents innovative papers covering the state-of-the-art in all disciplines of rotorcraft design, research and development. (Please note that AHS members receive significant discounts on articles and subscriptions.)

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