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A Powerful Light Motor.

Another successful American aviation motor is the aeromotor, manufactured by the Detroit Aeronautic Construction. Aeromotors are made in four models as follows:

Model 1.—4-cylinder, 30-40 h. p., weight 200 pounds.

Model 2.—4-cylinder, (larger stroke and bore) 40-50 h. p., weight 225 pounds.

Model 3.—6-cylinder. 50-60 h. p., weight 210 pounds.

Roberts 40-50 h. p., 4-Cylinder Motor.

[Description: Black and white illustration of motor.]

Model 4.—6-cylinder, 60-75 h. p., weight 275 pounds.

This motor is of the 4-cycle, vertical, water-cooled type.