The Republic XP-72 was an American prototype interceptor fighter developed as a progression of the P-47 Thunderbolt design. The XP-72 was designed around the Pratt & Whitney R-4360 twenty-eight cylinder radial air-cooled engine with a supercharger mounted behind the pilot and driven by an extension shaft from the engine. The armament consisted of six 0.5 in wing-mounted machine guns and underwing racks for two 1 000 lb bombs.
Made by Republic Aviation.
It is the successor of the Republic P-47 Thunderbolt .