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My cannon broke and pipe is stuck inside fitting!

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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My cannon broke and pipe is stuck inside fitting!

Unread postAuthor: spudbud101 » Tue Jul 17, 2007 12:30 pm

Well, I had my cannon outside on my porch. I have a couch thing out there that it was on. My dog jumped up onto it and knocked my cannon off. It came crashing to my cement porch and broke. The pictures below are what happened. Basically the 1" pipe acting as a nipple between the bushing and valve broke. A bit of 1" pipe is stuck in the bushing. Is there a way I can get that out so I can repair it?
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Attachments
DSC00566.JPG
The 1" nipple
DSC00566.JPG (25.06 KiB) Viewed 453 times
DSC00565.JPG
The parts involved
Last edited by spudbud101 on Tue Jul 17, 2007 12:40 pm, edited 2 times in total.
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Unread postAuthor: mopherman » Tue Jul 17, 2007 12:33 pm

well you should replace those elbows anyway. they are dwv and not meant for pressure.
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Unread postAuthor: spudbud101 » Tue Jul 17, 2007 12:38 pm

Meh, I've taken it up to 120 PSI and I haven't had any issues. I couldn't find any non-DWV elbows. I just want to repair this one, it is my cannon. I am building a new cannon pretty soon with a solenoid valve instead of my ball valve right now.
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Unread postAuthor: Spedy » Tue Jul 17, 2007 12:41 pm

Yeesh, thats tough. I would suggest either replacing the elbow or getting a dremmel (sp?) or lathe to file/grind it out.
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Unread postAuthor: judgment_arms » Tue Jul 17, 2007 12:44 pm

Take a piece of ¾” pipe and sand it down to were it’ll slide into the 1” pipe and use that to fix it, or just replace it all…
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Unread postAuthor: spudbud101 » Tue Jul 17, 2007 12:45 pm

A Dremel I have. I never would have thought of that. Although if I go too far I could wreck the fitting. any other suggestions?

EDIT: You can see in the plans the 1" pipe nipples. http://www.phreakyourgeek.com/basicpneumatic.php
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Last edited by spudbud101 on Tue Jul 17, 2007 12:50 pm, edited 1 time in total.
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Unread postAuthor: spudthug » Tue Jul 17, 2007 12:49 pm

yea get rid of the dwv unless u want to have pvc in your face...
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Unread postAuthor: spudbud101 » Tue Jul 17, 2007 12:51 pm

Meh. Whatever. Its fine, I just want to fix it.
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Unread postAuthor: potatoflinger » Tue Jul 17, 2007 1:12 pm

If you just want to fix it, replace the elbows.
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Unread postAuthor: lukemc » Tue Jul 17, 2007 1:17 pm

cant you see! its an omen! the gods of pvc are trying to tell you to ditch the DWV!
(but serously you should replace it)
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Unread postAuthor: spudbud101 » Tue Jul 17, 2007 1:26 pm

Lowe's and The home Depot don't have pressure fittings, they are all DWV. I really don't want to order on-line.
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Unread postAuthor: frankrede » Tue Jul 17, 2007 1:39 pm

They should have them up to 2"
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Unread postAuthor: spudbud101 » Tue Jul 17, 2007 1:51 pm

Maybe I just didn't see them. Anyway, thanks for the help and suggestions.
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Unread postAuthor: mopherman » Tue Jul 17, 2007 1:53 pm

lol, you are never going to get that dwv past the watchful eye of spudfiles.
i would sugest a big file to grind the pipe out. but are new elbows realy that expensive?
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Unread postAuthor: spudbud101 » Tue Jul 17, 2007 2:11 pm

No, but I don't understand how to get the elbows off. Was I not supposed to glue my cannon together? :lol:
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