B-24J Liberator powered by Pratt & Whitney R-1830-65 Twin Wasp fourteen-cylinder air-cooled radial engines with General Electric B-22 turbosuperchargers rated at 1200 hp at 2700 rpm for takeoff and maintaining this power as a military rating up to 31,800 feet. The two hard working radials are flying on the Consolidated B-24J Liberator "Witchcraft" belonging to the Collings Foundation.