Tag: Prototype

The Northrop YB-35 was an experimental American heavy bomber developed by Northrop Corporation during the 1940s. Featuring a radical flying wing design, the YB-35 was intended to provide greater range and efficiency than conventional bombers. Although it never entered production, the YB-35 was a technological forerunner to later flying wing aircraft, including the B-2 Spirit. Fact Sheet […]

The Northrop YB-49 was an experimental jet-powered flying wing bomber developed in the late 1940s by Northrop Corporation. Based on the earlier YB-35 piston-engined design, the YB-49 featured a radical tailless flying wing configuration and was powered by eight turbojet engines. Although it never entered production, the YB-49 was a technological forerunner to the modern B-2 Spirit […]

The North American XB-70 Valkyrie was an experimental supersonic strategic bomber developed in the late 1950s and early 1960s for the United States Air Force. Designed to fly at Mach 3 and altitudes above 70,000 feet, the XB-70 was intended to outrun enemy interceptors and missiles. Only two prototypes were built, and the program was canceled due […]