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The Pilots Desk
experimental aircraft model by Republic Aviation

XF-84H Thunderscreech

XF-84H Thunderscreech

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 program's cancellation. Its name, Thunderscreech, is a reference to its extremely loud supersonic propeller.

Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.

First flight
1955-07-22

Specifications

Cruise speed
450 kt
Max speed
450 kt
Range
1,700 nm
Service ceiling
40,000 ft
Rate of climb
5,000 ft/min
Max takeoff weight
27,046 lb
Empty weight
17,892 lb
Powerplant
Allison XT40-A-1
Engines
1
Seats
1
Length
51.4 ft
Wingspan
33.4 ft
Height
15.3 ft
Number built
2

Specifications are approximate and may vary by variant. Compiled from Wikipedia (CC BY-SA).

Reference and training only. Specifications vary by variant — consult the manufacturer and the official documents.