The Gee Bee Model R Super Sportster was a special purpose racing aircraft made by Granville Brothers Aircraft of Springfield, Massachusetts at the now-abandoned Springfield Airport (Massachusetts). Gee Bee stands for Granville Brothers.
The R-2 originally used a 550 hp Pratt - Whitney R-985 Wasp Junior nine cylinder radial powerplant, as the aircraft was designed primarily as a cross-country racer with increased tankage that did not require the larger 800 hp Wasp. In 1933, the R-2 was modified for closed-circuit racing and was fitted with the more powerful engine and cowling of the R-1 version.
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