The Republic XF-84H "Thunderscreech" was an experimental turbop... - dofaq.co
republic xf 84h thunderscreech

The Republic XF-84H "Thunderscreech" was an experimental turbop...

wikipedia - 03 Sep 2020
The Republic XF-84H "Thunderscreech" was an 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.[1]

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