Rolls-Royce to “pause” RR500 development
RR500
RR500

Rolls-Royce (Booth No. 9040) has almost completed development of the 475-shp RR500 turboshaft but is still waiting for an aircraft manufacturer or modifier to specify the engine for a new project. Meanwhile, the Indianapolis-based engine manufacturer has moved into full-rate production with the 300-shp RR300 turboshaft, which powers the Robinson R66 light single. Improvements are also underway on the M250, to which both of the newer engines trace their roots.

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