Turbo Compounding the Wright Way: The Power Recovery Turbine System in Detail

Video #7 in a series by The Aircraft Engine Historical Society (www.enginehistory.org). The Wright R-3350 TC18 turbo compound engine was the pinnacle of piston engine technology. It incorporated three power recovery turbines that harvested exhaust gas energy and returned that horsepower mechanically to the crankshaft. This video details the technology and the hardware that accomplished this feat.