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A 6-ft hingeless rotor was tested in a wind tunnel to study the performance and load level with lift offset at high advance ratios. The rotor is more efficient in generating thrust and exhibits higher lift-to-drag ratio with lift offset, but the structural load level is significantly higher than that of an articulated rotor.
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This page is a summary of: Slowed Hingeless Rotor Wind Tunnel Tests and Validation at High Advance Ratios, Journal of Aircraft, January 2021, American Institute of Aeronautics and Astronautics (AIAA),
DOI: 10.2514/1.c035900.
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