rake60
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The "Open Column" is another one of Elmer Verburg's simple designs.
It uses a pair flats in the crankshaft to act as a reversible valve.
It's a decent runner. Open Column Running
You can get the plans at: Elmer's Engines 1 Yahoo Group
It uses a pair flats in the crankshaft to act as a reversible valve.
It's a decent runner. Open Column Running
You can get the plans at: Elmer's Engines 1 Yahoo Group