Franklin Aircraft Engine 4AC-150

Franklin 4AC 150 dual magneto Franklin 4AC 150 single magneto The Franklin O-150 (company designation 4AC-150) was an American air-cooled aircraft engine of the late 1930s (first run in 1938). The engine is of four-cylinder, horizontally-opposed layout with a displaced of 150 cubic inches. The first model used a single magneto while later models had […]