James Hart Wyld

James Hart Wyld
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James Wyld with one of his rocket motors at an ARS test in Midvale, New Jersey, 1941. 

Wyld helped design the Reaction Motors XLR-11 engine, which powered Chuck Yeager's Bell X-1 airplane through the "sound barrier" in 1947. 

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National Air and Space Museum Archives, Smithsonian Institution


Smithsonian Institution

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