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my cloud bbmg is too weak

Built a pneumatic cannon? Then post it here! This section is for completed, finished cannons that you have built. Please include pictures and information.
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Unread postAuthor: seeyouinhell2mf » Sat Apr 09, 2011 2:01 pm

thank you for elaborating on that. also, what is the ID of that barrel, I'm not sure what size I need to get a more snug fit.
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Unread postAuthor: Gun Freak » Sat Apr 09, 2011 2:48 pm

The ID of that barrel was 6.35mm (1/4") but I have a 26" 6.03mm barrel on the way for it. Get as close to 6mm as you can.
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Unread postAuthor: seeyouinhell2mf » Sat Apr 09, 2011 9:04 pm

k, made it to sears (they have small o-rings there so I just bought everything there) and I grabbed 2 barrels with the same lenght I had the first time but a smaller ID(1/8 ), and a brass coupler,Image I also cut a slit in the barrel and put an o-ring around the area like you said Image the stuff at the base of it is some epoxy to connect it to the end cap.
have to wait till tomorrow to test it though, my compressor depressurized since I first filled it and it is too late to refill it (I live near old people and it is really loud)
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Unread postAuthor: seeyouinhell2mf » Sun Apr 10, 2011 4:53 pm

got around to testing today and the power is still incredibly weak, what do
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Unread postAuthor: Gun Freak » Sun Apr 10, 2011 5:46 pm

Are those galvanized pipe nipples you are using for a barrel?
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Unread postAuthor: seeyouinhell2mf » Sun Apr 10, 2011 8:03 pm

yes, they are galvanized pipe nipples (very drawn out post because it won't let me have short posts)
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Unread postAuthor: clemsonguy1125 » Sun Apr 10, 2011 8:10 pm

Those may be the problem, they usually have seams inside them which will cause space between the bb and barrel. Brake line or a arrow may be a better barrel
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Unread postAuthor: seeyouinhell2mf » Sun Apr 10, 2011 8:16 pm

I found the seams to be an issue when I bought them, one of the tubes had a seam that extended too far into the inner diameter and caused the bb's to stop, I had to jam a screwdriver in it to let them pass freely
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Unread postAuthor: clemsonguy1125 » Sun Apr 10, 2011 8:21 pm

Thy bbs are probably still to lose in the barrel.
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Unread postAuthor: seeyouinhell2mf » Sun Apr 10, 2011 8:22 pm

would the brass coupler in the middle be able to cause it?
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Unread postAuthor: clemsonguy1125 » Sun Apr 10, 2011 8:29 pm

It could contribute but Im pretty sure it is the pipe.
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Unread postAuthor: seeyouinhell2mf » Sun Apr 10, 2011 9:07 pm

well, how much are those brake lines?
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Unread postAuthor: Gun Freak » Sun Apr 10, 2011 9:08 pm

Dude, take that crap back, you can't use those...
The coupling will stop the bbs and the barrel needs to be tight. The seam is not helping. At least go out and get some 1/4" brass pipe. That fits the bb's quite well.
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Unread postAuthor: seeyouinhell2mf » Sun Apr 10, 2011 9:28 pm

no shop around me sells brass that small in usable quantities, I only get small 1-3" nipples
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Unread postAuthor: Crna Legija » Sun Apr 10, 2011 11:08 pm

go to a mechanics shop and ask for brake line there are two sizes so just bring a bb with you and test.
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