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Old October 23rd, 2005, 00:16   #2
Delierious Designer of Dastardly Detonations
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Join Date: Dec 2001
Location: in the dark recesses of some metal chip filled machine shop

Thanks for pointing that out to me.

Looks like Tippmann has released a propane expansion (not combustion) powered pball gun. I think the cylinder under the hopper with the heat sinks is an expansion cylinder.

I'm not sure about their claim that propane is not temperature sensitive. It also has a variable equilibrium pressure set by temperature. I suspect that Tippmann may include an internal regulator to deal with some of this though. They don't need a high flow reg. Just one which can keep the expansion chamber at a consistant pressure just before each shot.
Want nearly free GBB gas?

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