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Apr 7
McDonnell XF-88B. “Designed for research into supersonic propeller design, it flew for the first time on 14 April 1953. Power was provided by two Westinghouse J34 turbojets and a nose-mounted Allison XT38 turboprop engine.” (via)

McDonnell XF-88B. “Designed for research into supersonic propeller design, it flew for the first time on 14 April 1953. Power was provided by two Westinghouse J34 turbojets and a nose-mounted Allison XT38 turboprop engine.” (via)

Posted 3 years ago

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1950s,

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