Abstract
Boeing Helicopters has been actively testing elastomeric and dampers for application on modern rotors. Damper bench tests have been performed on various damper configurations to understand their dynamic characteristics. A recently completed series of wind tunnel tests was performed on a 1/6-Froude-scale model of the Comanche bearingless main rotor system with both elastomeric and dampers. Elastomeric dampers have also been incorporated in the full-scale Model 360 articulated rotor design. This paper summarizes elastomeric and damper activities at Boeing, and discusses issues that must be considered in the design and analysis of such systems.
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