For all you torque fans out there
A friend of mine brought this in the office the other day. I thought it was really cool. It should be running this weekend. Specs: 16.5" rod 5" piston bore 6 horsepower at 500 RPM ...
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Same thing I see in the oil patch Arrow C series engines "one lungers" used to run pump jacks... putt putt putt Bang! Only one flywheel other side of crank is attached to a clutch to drive the belts to the pump jack gearbox. We run them on either propane or natural gas (from the well casing).
