Thomas-Morse MB-6 / R-2 ![]() Thomas-Morse R-2 AS68537
Developed from the MB-3, three MB-6 were built of which one was used for static tests, one crashed, and the last, AS68537, was re-designated R-2 for the 1921 Pulitzer races, piloted by John A Macready.
Speed: 185 mph
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