Righter O-45

O-45
Type	Flat-twin
Manufacturer	Righter Manufacturing Company
Major applications	Globe KD3G

The Righter/Kiekhaefer O-45 was an air-cooled, two-stroke aircraft engine of flat-twin configuration, used extensively for powering target drones in the late 1940s.

Designed by the Righter Manufacturing Company, the O-45 was also built by the Kiekhaefer Corporation and the Menasco Motors Company.

Data from

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Wikipedia