SYNCRO DEVICES "SYNCRO BEE AND B-30" MODEL AIRPLANE ENGINES AND PARTS, LOT OF FIVE, comprising three engines, die-cast construction, comprising a Bee example, cylinder case bypass embossed "Syncro" over wings and "BEE", seven-fin cylinder with slightly domed-form head, crankcase end with embossed "3006 / SYNCRO DEVICES, INC. / DETROIT MICH. / and impressed SN 1134", cup-form die cast fuel tank to underside of venturi and impressed to the top "3016", fitted with an AC spark plug; remaining example a B-30 example, six-fin cylinder and flat head, crankshaft case end impressed "SYNCRO DEVICES, INC. / DETROIT MICH.", cup-form fuel tank to underside of venturi with base tip, rectangular-form exhaust, fitted with a Champion V spark plug. Crankshafts turn freely and each is untested for functionality. Along with three assorted bags of parts from a container marked for Syncro .292 and of unknown association, parts include a cylinder case, crankshaft arm and a Syncro labeled coil. 1938 and 1940/1941. 5" x 5" overall.
Literature: Parallels Dannels - American Model Engine Encyclopedia, Vol 2, p. 226, fig. 4 and 5.
Provenance: From the collection of Fred Kaiser, East Sandwich, MA.