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tips on epoxy fillings

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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tips on epoxy fillings

Unread postAuthor: FishBoy » Fri Oct 10, 2008 11:03 am

Ok, i'm re-making my mini coaxial and i need to know how people make those perfect epoxy bushings and stuff. My last method worked, but was a waste of materials and volume.

(JSR i'm talkin to you) :D
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epoxy plug2.JPG
this is what i want
epoxy plug2.JPG (8.14 KiB) Viewed 320 times
epoxy plug1.JPG
this is what i did the first time
epoxy plug1.JPG (12.08 KiB) Viewed 320 times
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Unread postAuthor: mark.f » Fri Oct 10, 2008 11:15 am

Well, you could use some small vice grips to center the barrel in the chamber while you poured and cured the epoxy.

EDIT - nevermind, I see what you're saying.

I think JSR uses rubber in his pours, but don't take my word for it.

ALSO, I believe he has a few posts in the How-To section as well.

EDIT 2 - http://www.spudfiles.com/forums/epoxy-c ... t8916.html
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Unread postAuthor: jackssmirkingrevenge » Fri Oct 10, 2008 11:26 am

As mark linked to above, it's pretty much all explained in the how-to. It's also not too difficult to make jigs to ensure that everything is centred, wrapping tape around a cylindircal object is a very straightforward way of doing this.
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