- Restrictions on Access:
- Unclassified, Unlimited, Publicly available.
- 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.
- NASA Technical Reports Server (NTRS) Collection.
- Document ID: 19850010670.
Accession ID: 85N18979.
- No Copyright.
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