The Gee Bee Q.E.D. (Quod Erat Demonstrandum) aka Gee Bee R-6H aka the Conquistador del Cielo (Sky Conqueror) was the last in a series of racing and touring aircraft from the Granville Brothers. Unlike the other famous Gee Bee aircraft the Q.E.D had the distinction of never finishing a race it was entered in.
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