Douglas X-3 Stiletto – The Flying Shoe
The Douglas X-3 Stiletto was a series of experimental, VTOL aircraft developed by the Douglas Aircraft Company. It would have been the first practical VTOL aircraft, and represented the technical limit for the aircraft at the time.
The first X-3 was released in 1945 – with only one prototype being built. The airframe was a large single-seat, low-wing monoplane with an unconventional tailplane arrangement. The prototype X-3 used a four-stroke radial engine. After testing the design, it was shelved in favor of further development of conventional aircraft.
The second X-3 appeared in 1953 – this time as a much more conventional design, with a conventional low wing and twin tailbooms. It was powered by a rocket engine and reached 207mph (333km/h) before crashing into the Pacific Ocean during testing.
The X-3 was unfortunately never put into mass production, but the research and development that was done on the aircraft was invaluable to the future of aviation. The X-3 paved the way for many of the aircraft designs and technologies that we see in use today, and it is still considered to be one of the most important and innovative aircraft ever built. If you are looking for an aircraft that is both unique and innovative, then the Douglas X-3 Stiletto - The Flying Shoe is the perfect aircraft for you!
https://planehistoria.com/experimental/douglas-x-3