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Thunderscreech

Prototype 51-17059

The XF-84H Thunderscrrech was an experimental turboprop aircraft that was based upon the airframe of the F-84F Thunderstreak. It was powered by a turbine engine that spun a supersonic propeller, resulting in an almost deafening noise as the tips of the propellers produced small sonic booms. The project was ultimately scrapped due to aerodynamic deficiencies. 

XF-84H_Flying_Over_Edwards_AFB_-_1956

XF-84H Flying Over Edwards AFB - 1956

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