Display of Rare Aermotor Engines Turns Heads

Aermotor engines at Midwest Old Threshers Reunion in Mt. Pleasant, Iowa.

Aermotor engines
The 2-1/2 hp fluted-hopper Aermotor engines were manufactured from about 1912 to about 1926. The 2-1/2 hp model is easier to find than the 5 hp, and it’s more desirable, in part because it’s easier to transport: The 2-1/2 hp model weighs 600 pounds; the 5 hp, 1,000 pounds.