The Wright R-3350 Turbo Compound is an air-cooled, double-row, 18-cylinder, radial aircraft engine displacing 3,350 cubic inches. Turbo Compounds could produce up to 3,700 take-off horsepower when using the highest grade fuels available. Wright Aeronautical Division (WAD), a subsidiary of the Curtiss-Wright Corporation, produced many models of R-3350s between 1940 and 1960. However, the Turbo…