Wright Aeronautical Corp, Paterson, New Jersey

Gear-driven Supercharger 9-cylinder Supercharged Air-cooled Radial Piston Engine

The total number of Wright R-975's produced between 1929 and 1945 was 7,661. The License plate on the engine exhibited has been removed and therefore it is not clear exactly which version this engine is. From the Patents displayed (#2245207 is dated June 1941) it is surmised that this could be a Wright R-975E-3 version with 450 hp (336 kW) @ 2250 rpm for takeoff.