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Tee saftey question

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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Tee saftey question

Unread postAuthor: clemsonguy1125 » Fri May 07, 2010 8:26 pm

Well since I can't find a good oring i've decided to get rid of the compact piston valve idea. I already have the seat tee assembley done and the chamber and it seems a waste to scrap them so I was thinking I would just glue a piece of pipe and a adapter in the socket where the bushing was like on my other gb gun. My question is that since I had 4 screw holes in the tee, is it still safe to do my new plan? Thanks
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Unread postAuthor: saefroch » Fri May 07, 2010 8:30 pm

... is this PVC we're talking here? What pressures? Most likely it's no longer safe as drilling has probably put some significant microfractures into the PVC. I may be totally off in my understanding of your post, but that's my opinion. If we're talking steel, it might be okay... but still probably not. I would rather not use a part that has had holes drilled into it in it in any gun.
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Unread postAuthor: clemsonguy1125 » Fri May 07, 2010 8:57 pm

PVC, but People drill holes for schraders in end caps all the time, and under 80 psi
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Unread postAuthor: saefroch » Fri May 07, 2010 9:15 pm

Well then it might work... but those holes are filled tapped and glued. I would pressure test it just past what you plan to operate at wile you are safely shielded first though.
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Unread postAuthor: clemsonguy1125 » Fri May 07, 2010 9:22 pm

I will, I'll coat the Area around it with high strength epoxy and fill in the holes
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Unread postAuthor: Gun Freak » Sat May 08, 2010 10:33 am

Seriously you gave up already? Now you'll just have two of the same golf ball guns lol
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Unread postAuthor: clemsonguy1125 » Sat May 08, 2010 11:30 am

I didn't give up, I just can't fing the right parts, plus this one is for nerf rockets
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Unread postAuthor: Gun Freak » Sat May 08, 2010 12:13 pm

2" barrel? That's kinda big for a 2" tee 1.5" porting. Whats your piston going to be? You could also use potatoes for the 2" barrel.
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Unread postAuthor: clemsonguy1125 » Sat May 08, 2010 12:43 pm

Well I only want 150. Yards, so do you think it's safe
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Unread postAuthor: Gun Freak » Sat May 08, 2010 1:35 pm

It doesn't matter how many yards you want. But, for 150, it would only take about 50 psi, and if you do a good glue job then it should be fine.
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Unread postAuthor: Technician1002 » Sat May 08, 2010 1:41 pm

150 yards with a spud at 50 PSI from a 2 inch barrel is possible with the right chamber and valve. This is a conservative distance.
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Unread postAuthor: clemsonguy1125 » Sat May 08, 2010 3:13 pm

No its for a nerf pocket vortex, Im sure I can get the distance, I just want to make sure its safe, I have a larger gb version than can get 300 yards with a gb, I plan to coat the holes with epoxy
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Unread postAuthor: Technician1002 » Sat May 08, 2010 3:21 pm

Need any Nerf Vortexes missing the tail. We seem to launch them minus the tail for some reason. :D
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Unread postAuthor: clemsonguy1125 » Sat May 08, 2010 4:19 pm

I need to go buy some, I guess it'll be safe, do you know a cheap place to buy some
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Unread postAuthor: cannon monkey » Sat May 08, 2010 4:20 pm

i did that i have 6 holes around the end of my tee i glue the 3 inch pipe into it and it sealed the holes i been using it for a while i be posting soon
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