PVC or ABS?

Boom! The classic potato gun harnesses the combustion of flammable vapor.
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jjjd
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Hey guys I was just wondering witch is better for a cannon PVC or ABS? right now i have a simple abs cannon and i am looking to make a propane injection style witch should i use :?:
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frankrede
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I usually would say ABS, but for propane I am leaning towards PVC. Depends on the ABS type.Solid or cell core.
For a Pneuamtic(air) always use Pressure rated PVC, on teh pipe it should day a certain PSI on it.
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mark.f
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I say PVC... just because it's cheaper than solid-core ABS where I live.
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MikeNice
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I would be leaning toward PVC as well, solid or cell core, doesn't really matter in combustions due to the low pressure. I've always preferred PVC but in combustions it really boils down to preference.
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