Updated: 13-Jul-2020
Metz and Co. of Waltham, Massachusetts, built radial rotary engines such as the 7-cylinder, 125 HP shown below.
"Metz rotary engine"
-This engine displaced 1,691 cubic inches weighing 375 lbs.
Engines of METZ
Model: 125 HP
Arquitecture: 7-cylinder Rotary
Cooling: Air
Total Displacement: 1691 cu. in.
Bore / Stroke: 6.75 x 6.75 inch
Power: 125 @ 800 rpm
Weight: 375 Lb
"Metz radial rotary engine"