Tuesday, April 21, 2009

Part of Engine : Torsion / Piston pen



Torsion / Piston pen made from mix hard steel. Torsion /piston place located on piston. Torsion / piston pen use to transfer energy from piston connection rod / activator rod.

1 comments:

Olive Tree said...

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I could tell how much efforts you've taken on it.
Keep doing!

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