Lycoming O-290
The Lycoming O-290 is a dual ignition, four-cylinder, air-cooled, horizontally opposed aircraft engine. It was first run in 1939, and entered production three years later.
A common variant of the type is the O-290-G, a single ignition model which was designed to drive a generator as part of a ground power unit.Variants
;O-290
;O-290-A
;O-290-AP
;O-290-B
;O-290-C
;O-290-CP
;O-290-D
;O-290-D2
;O-290-D2A
;O-290-D2B
;O-290-D2C
;O-290-G;O-290-1
;O-290-3
;O-290-11Applications
