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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 ...
A number of aircraft have been claimed to be the fastest propeller-driven aircraft. This article presents the current record holders for several sub-classes of propeller-driven aircraft that hold recognized, documented speed records in level flight. Fédération Aéronautique Internationale (FAI) records are the basis for this article. [1]
The Douglas XB-42 Mixmaster is an experimental American bomber aircraft, designed for a high top speed.The unconventional approach was to mount the two engines within the fuselage driving a pair of contra-rotating propellers mounted at the tail in a pusher configuration, leaving the wing and fuselage clean and free of drag-inducing protrusions.
Production period column shows overall production date span of all types included in "Numbers produced" column, disregarding production hiatuses and changes in manufacturer, while including close variants and licensed production. a pale-green background indicates aircraft still in production.
The first production Cheyenne III flew for the first time on May 18, 1979, and FAA certification was granted in early 1980. Compared with the Cheyenne II, the PA-42-720 was about 1 m (3 ft) longer, was powered by 537 kW (720-shp) PT6A-41 turboprops and introduced a T-tail, the most obvious external difference between the PA-31T and PA-42, as ...
The Piper PA-34 Seneca is a twin-engined light aircraft, produced in the United States by Piper Aircraft.It has been in non-continuous production since 1971. [4] [5] [6] The Seneca is primarily used for personal and business flying [1] as well as multi-engine class rating flight training.
While the program may not have lived up to its full potential, the XB-70’s legacy still stands, Landis says: “All large, high-speed aircraft designs benefit from the work done by the XB-70.
Dual-control variant of the PA-15 PA-18 Super Cub: 1950 10,326 Single-engined high-wing cabin monoplane PA-19 Super Cub: 1949 3 Initial designation for military version of the PA-18, reverted to PA-18 designation after three built PA-20 Pacer: 1950 1,121 Re-designed PA-16 PA-21 0 Proposed production version of the Baumann Brigadier: PA-22 Tri ...