SCOTT MOTORS "THUNDERBIRD C" MODEL AIRPLANE ENGINES, LOT OF TWO, die-cast, dual exhaust, crankshaft case end embossed "PAT. PEND.", each with impressed serial number to the edge of mounting lug, including "1289" and "1535", fuel tank embossed "SUPERCHARGED THUNDERBIRD", one example with detached components including timing arm, fuel tank and internal cylinder, assembled example fitted with an AC spark plug. Assembled example crankshaft is frozen and is untested for functionality. 1946. 5 1/4" x 5 1/2" overall.
Literature: Parallels Dannels - American Model Engine Encyclopedia, p. 223, fig. 1.
Provenance: From the collection of Fred Kaiser, East Sandwich, MA.