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The Republic XF-84H "Thunderscreech" is an American experimental turboprop aircraft derived from the F-84F Thunderstreak.Powered by a turbine engine that was mated to a supersonic propeller, the XF-84H had the potential of setting the unofficial air speed record for propeller-driven aircraft, but was unable to overcome aerodynamic deficiencies and engine reliability problems, resulting in the ...
Avro 707 research aircraft in formation with Avro Vulcan bomber prototypes Fairey Delta 2 research aircraft Gloster E.28/39 jet engine research aircraft Miles M.35 Libellula canard research aircraft. Armstrong Whitworth Ape 1926 – Variable configuration aerodynamic test vehicle; Armstrong Whitworth A.W.52 1947 – Jet powered flying wing
The X-43A aircraft was a small unpiloted test vehicle measuring just over 3.7 m (12 ft) in length. [4] The vehicle was a lifting body design, where the body of the aircraft provides a significant amount of lift for flight, rather than relying on wings. The aircraft weighed roughly 1,400 kg (3,000 lb).
The initial 24 powered flights used two Reaction Motors XLR11 liquid-propellant rocket engines, enhanced to provide a total of 16,000 pounds-force (71 kN) of thrust as compared to the 6,000 pounds-force (27 kN) that a single XLR11 provided in 1947 to make the Bell X-1 the first aircraft to fly faster than the speed of sound.
Overall, probably the fastest aircraft ever equipped with (but not driven exclusively by) an operating propeller was the experimental McDonnell XF-88B, which is a variant of the jet-powered McDonnell XF-88 Voodoo made by installing the Allison T38 turboprop engine in its nose while retaining its original turbojet engines. [9]
NASA reported the installation of the General Electric F414-GE-100 engine on the X-59, which took place at Lockheed Martin's Skunk Works in Palmdale, California early November 2022. The engine is 13 feet (4.0 m) long and produces 22,000 pounds-force (98 kN) of thrust. [19] The X-59's first flight was initially planned for 2024. [20]
The aircraft was sold by Polen to Richard C. Keyt and has been modified several times to increase efficiency and safety. A composite rudder replaced the all-metal rudder that fluttered to destruction at 2500 engine RPM and a modern turbocharger was installed.
The Bell X-1 (Bell Model 44) is a rocket engine–powered aircraft, designated originally as the XS-1, and was a joint National Advisory Committee for Aeronautics–U.S. Army Air Forces–U.S. Air Force supersonic research project built by Bell Aircraft. Conceived during 1944 and designed and built in 1945, it achieved a speed of nearly 1,000 ...