Robinson Helicopter has delivered its 1000th R66 turbine helicopter, less than a decade after it was certified. An outgrowth of the piston-powered, four-seat R44, the R66 uses the Rolls-Royce RR300 turbine and Robinson’s trademark two-blade teetering rotor system. The RR300 is itself a derivative of the Allison 250 turbine, an engine that Robinson says has … Continue reading Robinson Delivers 1000th R66