See Cuyuna

This manufacturer built a three-cylinder inline upright engine that was water-cooled and gave 90 hp.

-It is said to have spectacular performances, especially ascending. It is installed in the Advanced Aviation Explorer light aircraft.

"AMW de 90 HP"

-And a new two-cylinder AMW engine giving 70 hp, which is a variant of the 3-cylinder 90 hp engine mentioned above. It is similar to the Cuyuna or to the Rotax 582 with 540 cc.

"Two-cylinder AMW 540 L 70"