Letters and Miscellanies

Wooden Model Engine

| April 2005

  • WoodenModelEngine1.jpg

  • WoodenModelEngine.jpg

  • WoodenModelEngine1.jpg
  • WoodenModelEngine.jpg

These pictures show a model engine I made. Ninety percent of it is made of wood, although the crankshaft, piston, rod, cylinder and linkage are made of brass and steel. I used plastic gears out of an old VCR to operate the eccentric that pushes the slide bar forward to trip the igniter and exhaust valve.

Does this engine run? No, but when you spin the flywheels you see many moving parts. This engine looks good sitting on a coffee table or mantel. It's a good conversation piece - a fun project to build on a rainy day.

The engine is 8 inches long, 5 inches tall and 4 inches wide. The bore and stroke are 1/2-inch and 3/4-inch, respectively. The flywheels are 3-3/4 inches in diameter. Note the crank guard has been added in the second photo.

A.B. Gardner
2553 Highway 59 W.
Covington, TN 38019


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