Rolls-Royce unveils RR300 engine

RR300: Rolls-Royce introduced the RR300 on March 2 at the Heli-Expo show in Orlando, Fla. The engine is rated at 240-300 shp and weighs less than 200 pounds. It uses a two-spool design based on the 250 series powerplant. Specific fuel consumption is estimated to be 0.755 pounds/hp at a cruise power...

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