Upshur Engine Works

Quality Model Engine Plans,
Designed By Hamilton Upshur

Model engine plans meticulously designed by hand by  Hamilton Upshur

Hamilton Upshur designed model engine plans from the late 1970s to the early 2000s and has been featured in many prominent publications in his field during those years.

Engine Plans

Each set of Engine Plans is in PDF format and will be delivered via email after purchase. All purchases are made via PayPal and no payment information is transmitted or stored with Upshur Engine Works

Red Farm Engine Plans

PDF Download – 39 Pages

Four farm type engines: two horizontal, two vertical. Water cooled or Air cooled. Optional hit and miss governor

Vertical Single Engine Plans

PDF Download – 31 Pages

Single Cylinder, air cooled, wet sump utility engine with  pushrod operated overhead valves, and a throttling carburetor

Opposed Twin Engine Plans

PDF Download – 27 Pages

Opposed twin cylinders. Air cooled with a wet sump engine, pushrod operated overhead valves and a throttling carburetor

“T” Head Marine Engine Plans

PDF Download – 27 Pages

Single cylinder water cooled wet sump marine engine with side valves in a “T” head configuration and a throttling carburetor 

Contact us

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