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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 ...
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).
A development of the kit-built Epic LT, the E1000 aircraft features a cantilever low-wing, a 6.5 psi pressurized cabin with an airstair door just ahead of the rear seats, retractable tricycle landing gear and a single 1,825 hp (1,361 kW) Pratt & Whitney Canada PT6-67A turboprop aircraft engine, de-rated to 1,200 hp (895 kW) engine in tractor configuration.
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
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]
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]
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.
The Lockheed SR-71 Blackbird is the current record-holder for a crewed airbreathing jet aircraft. An air speed record is the highest airspeed attained by an aircraft of a particular class. The rules for all official aviation records are defined by Fédération Aéronautique Internationale (FAI), [ 1 ] which also ratifies any claims.