The “AirCraft Engine Corp.” was the successor of ACE “American Cirrus Eng.” as from 1929. With the same range of engines for both companies.

“ACE LA-1”

-Like the LA-1 (Later known as Jacobs) that was air cooled with 7 radial cylinders, giving 140 hp at 1800 rpm and with 529 cubic inches of total displacement. It was directly coupled to the propeller without gear.