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Possible Safety Issue?

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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What would you do?

Scrap it.
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The epoxy method.
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The screw plus epoxy method.
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Total votes : 1
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Possible Safety Issue?

Unread postAuthor: clemsonguy1125 » Tue Oct 26, 2010 6:11 pm

On my new golfball gun when I was gluing a fitting in it stopped about 1/4-3/8 inch from the end of the fitting. The two fittings are flush and Ive poured epoxy is the gap and where the two fittings meet. Would you feel safe using this at 80 PSI and under. I thought about drilling holes for screws and covering them with epoxy but I was afraid this would weaken the fitting further.
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Unread postAuthor: Immur4323 » Tue Oct 26, 2010 6:25 pm

Yeah I've used fittings mis-glued like that up to 150 psi. The epoxy was even overkill.
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Unread postAuthor: Technician1002 » Tue Oct 26, 2010 6:39 pm

My ABS cannon has the same thing. Pressure test it and avoid flexing the joint.

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Last edited by Technician1002 on Tue Oct 26, 2010 6:41 pm, edited 1 time in total.
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Unread postAuthor: jackssmirkingrevenge » Tue Oct 26, 2010 6:40 pm

Technician1002 wrote:click photo for full size


Let the imagine load before copying the url ;)
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Unread postAuthor: clemsonguy1125 » Tue Oct 26, 2010 6:48 pm

Thanks, Ill probably pour the epoxy either way and from what I have heard so far I believe this will be more than enough, any other opinions are welcome.
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Unread postAuthor: Gun Freak » Tue Oct 26, 2010 6:50 pm

You're fine, it is still deeper than the depth of a DWV socket, which is good :) You will be fine.
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Unread postAuthor: jackssmirkingrevenge » Tue Oct 26, 2010 6:50 pm

clemsonguy1125 wrote:Thanks, I'll probably pour the epoxy either way


Always a good thing, and at "only" 80 psi it should suffice.
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Unread postAuthor: clemsonguy1125 » Tue Oct 26, 2010 6:52 pm

Thats what I thought, epoxy can hardly ever go wrong, thanks.
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Unread postAuthor: jackssmirkingrevenge » Tue Oct 26, 2010 6:56 pm

clemsonguy1125 wrote:epoxy can hardly ever go wrong


Oh it can, and it will, if used incorrectly.
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Unread postAuthor: Gun Freak » Tue Oct 26, 2010 7:11 pm

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Unread postAuthor: clemsonguy1125 » Tue Oct 26, 2010 7:13 pm

Well that is 770 psi more than I use and also that had large amounts up unsupported epoxy, also would putting the screws in it cause anymore danger even if they are not needed. It would help with my peace of mind.
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