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VHBR Engine – Journal Bearing Technology


To develop and demonstrate high-performance material and associated manufacturing processes for journal bearings in a lightweight aero-engine epicyclic gear box supporting planet gears under high loads and speeds. Validation of the technology will require representative sub/full-scale journal bearing rigs and supporting analysis. System level validation will require the manufacture and supply of journal bearing components to the Rolls-Royce development PGB rig and whole engine demonstrators. The material and manufacturing processes should be developed to a maturity level of TRL6 and MCRL4 respectively. Please refer to the full and formal topic descriptions published in this call.