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Cheap quick exhaust valve full auto conversion

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Uploaded on Nov 29, 2011

A cheay eBay generic quick exhaust valve with the rubber piston replaced with a Delrin disk with a light spring behind it and an equally cheap eBay generic pop-off safety valve to provide a full auto cycle. Rate of fire is adjusted by regulating flow to the valve.

The pressure in the pilot area reaches the pop-off pressure of the safety valve, when this actuates the pilot is emptied and the QEV fires, then resets allowing the cycle to start over.

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