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Using PTFE or other flouropolymers as a barrel material

Post questions and info about hybrid (compressed gas with fuel) powered cannons here. This includes discussion about fuels, ratios, ignition systems, build types, safety, and anything else relevant.
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Unread postAuthor: inonickname » Fri Jul 16, 2010 9:46 pm

Hotwired wrote:Well what do you hope to gain from using a teflon liner that won't be more easily achieved by a more powerful combustion.

He's already looking at a fair mix hybrid, so he may not want to up the mix.

Yes it will work..it would perhaps just be easier to dust your projectiles in graphite or ptfe and lube the barrel.
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Unread postAuthor: BigBang J » Sat Jul 17, 2010 12:47 pm

10x is about as high as I want to go, maybe up to 12x. But I am looking at normaly opperating at 7x. The point of the teflon liner is to achieve a better barrel-ammo fit. I have found that I can get a closer tolerance using teflon over steel tubing.
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