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 Spudguns
 Pneumatic Guns
 abs or pvc?		  New Topic  Reply to Topic
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da-g-dog
Mad Scientist

USA
231 Posts
Posted - Sep 04 2003 :  1:53:19 PM  Show Profile  Visit da-g-dog's Homepage  Reply with Quote
I am thinking about building a pneumatic spudgun using CO2 as the propellant. I will be using a CO2 tank normally used for paintball guns and plumb it into the chamber with a simple on/off valve and a pressure guage. My question is, should a use ABS or PVC pipe? I don't know which one has the greater pressure rating.

hike master kyle

cirvin
Nobel Prize Winner

USA
1542 Posts
Posted - Sep 04 2003 :  7:37:33 PM  Show Profile  Send cirvin an AOL message  Reply with Quote
it will say on the side of the pipe. sch-40 pvc is good for like 250 psi, witch is much more than you wilol neeed

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da-g-dog
Mad Scientist

USA
231 Posts
Posted - Sep 05 2003 :  12:14:45 AM  Show Profile  Visit da-g-dog's Homepage  Reply with Quote
quote:

it will say on the side of the pipe. sch-40 pvc is good for like 250 psi, witch is much more than you wilol neeed

next stop: nobel prize winner!


Thanks. What do you think would be the best way to plumb in the CO2? The threads on the end of the hose from the tank are roughly 5/16" threads. Maybe drill a hole through the thick square part on a cleanout cap then thread it with a tap and die set? That way I have a lot of mass to hold the threads from the hose.

hike master kyle
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cirvin
Nobel Prize Winner

USA
1542 Posts
Posted - Sep 05 2003 :  12:28:49 PM  Show Profile  Send cirvin an AOL message  Reply with Quote
sounds great. use teflon tape and seal it with epoxy to be sure

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da-g-dog
Mad Scientist

USA
231 Posts
Posted - Sep 05 2003 :  2:34:09 PM  Show Profile  Visit da-g-dog's Homepage  Reply with Quote
quote:

sounds great. use teflon tape and seal it with epoxy to be sure

next stop: nobel prize winner!


Will do. I will post some pics and perfomance specs when it is complete.

hike master kyle
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Aaron Cake
Administrator

Canada
6718 Posts
Posted - Sep 08 2003 :  10:41:19 AM  Show Profile  Visit Aaron Cake's Homepage  Send Aaron Cake an ICQ Message  Send Aaron Cake a Yahoo! Message  Reply with Quote
Also put a bolt on the other end of the nipple. Keeps it from blowing out.
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da-g-dog
Mad Scientist

USA
231 Posts
Posted - Sep 08 2003 :  3:29:14 PM  Show Profile  Visit da-g-dog's Homepage  Reply with Quote
quote:

Also put a bolt on the other end of the nipple. Keeps it from blowing out.



Put a bolt where? Do you mean a nut? If so, I get what your saying, good idea. Thanks.

hike master kyle
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