Screen Shot 2016-02-12 at 21.42.34 Published on February 12, 2016 in 13 February 1950Full resolution (1057 × 695) ← Previous Next → A Pratt & Whitney R-4360-41 Wasp Major aircraft engine on display at the National Museum of the United States Air Force. This engine weighs 3,404 pounds (1,544 kilograms). Wikipedia