This Day in Aviation History
July 22nd, 1955
First flight of the Republic XF-84H.

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 teething aerodynamic deficiencies, resulting in the cancellation of the program…..

Source:
Wikipedia, Republic XF-84H:  http://gstv.us/1CUkwbO

YouTube, The Republic F-84H Thunderstreak – Propeller variant: http://gstv.us/1CUkLng

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