Robinson R66 Turbine — Specifications

This document provides specifications for the RR300 turboshaft engine, which powers the Robinson R66 helicopter. It details the engine's performance characteristics, design features, and maintenance philosophy. The RR300 is designed for light helicopters and general aviation, offering a reliable and efficient alternative to piston engines. The document is intended for helicopter operators, maintenance personnel, and aviation enthusiasts interested in the technical specifications of the RR300 engine and its application in the Robinson R66.

• Engine power range: 240-300 shp (179-224 kW)
• Pressure ratio: 6.20
• Engine dimensions: Length 23.75 in (0.603 m), Diameter 23.75 in (0.603 m)
• Basic weight: 202 lb (91.63 kg)
• Maintenance interval: 2,000-hour Preventative Maintenance Inspection (PMI)