Wright R-3350 Duplex-Cyclone - Wikipedia

Wright R-1820 Cyclone - Wikipedia

Pratt & Whitney R-4360 Wasp Major - Wikipedia

A R-3350 Duplex Cyclone engine of the Brietling Super Constellation fires up : r/aviation

Why was the Pratt & Whitney Double Wasp 2800 used for the P-47 and other US airplanes instead of the Wright R-3350 Duplex Cyclone? - Quora

Wright R-3350 Turbo-Compound cutaway drawing. : r/EngineeringPorn

Which was the most reliable radial engine…the Pratt and Whitney R-2800, or the Wright R-2600? - Quora

Wright R-3350 Duplex-Cyclone // Pre-war design that powered the B-29 and airliners well into the 90s : r/MachinePorn

Radial engine - Wikipedia

Wright R-1820 Cyclone, PDF, Engines

Wright R-3350

Wright R-3350 – Wikipedia

What did USAAF B-29 Superfortress squadrons do to mitigate the reliability problems of the Wright R-3350 Engines during World War 2? - Quora