Author Topic: Making A Twin  (Read 2776 times)

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Offline 660magnum

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Re: Making A Twin
« on: February 11, 2012, 04:37:47 pm »
He made the crankshaft from two existing 30cc cranks. The rear one is another front one that is cut off at the back bearing. He pushed the crank pins out, made a round center disk, and pushed in new hardened crank pins with the rods attached to make the twin crankshaft assembly.



Here is a view of the original crank assembly



The purchased piston for the 30cc engine



The purchased cylinder

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