Robinson ‘Optimistic’ About Diesel-powered R44 Plan

Credit: R44: Robinson Helicopter
LAS VEGAS—Robinson Helicopter is stepping up studies of a diesel-powered variant of its R44 light helicopter as part of plans to improve performance and reduce fuel burn. The Los Angeles-based manufacturer has been evaluating an alternative powerplant to the current Lycoming IO-540 six-cylinder...
Guy Norris

Guy is a Senior Editor for Aviation Week, covering technology and propulsion. He is based in Colorado Springs.

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