A program was performed to identify and evaluate a variety of candidate rotor hub configurations for the ITR/FRR. Design criteria were established for the development of the hub concepts. Five initial hub configurations were examined and two were selected for further refinement and evaluation. The selected configurations were bearingless designs. The Classic Elastic Pitch Beam (CEPB) and the Plain Elastic Pitch Beam (PEPB), both exhibit superior qualities for the criteria in the final evalution. The CEPB is favored over the PEPB primarily because it offers better capability for built in damping for stability and is judged to have a lower risk in development.


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    Title :

    Integrated Technology Rotor/Flight Research Rotor (ITR/FRR) Concept Definition


    Contributors:

    Publication date :

    1983


    Size :

    140 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English