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dwv

A place to ask general spud cannon related questions.
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Unread postAuthor: McThrust » Thu May 04, 2006 4:26 am

can u use dwv for the chamber when making a cloud bbmg?
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Unread postAuthor: WOW!! » Thu May 04, 2006 5:12 am

:shock: :shock: No never, never ever use DWV in any part of a anything that has any PSI in it. You are better off useing the sch40 then haveging shards of pvc in your head.
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Unread postAuthor: spudshot » Thu May 04, 2006 5:35 am

from research, it seems fine, the constant PSI in a cloud chamber is somewhere around 18 psi since the air is constantly leaving the barrel
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Unread postAuthor: Atlantis » Thu May 04, 2006 9:56 am

Can't dwv hold 50 PSI max, if it can you should be fine. Propane cannons get to about 20 PSI I think.
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Unread postAuthor: Ballad_Black » Thu May 04, 2006 2:21 pm

WOW, what are you talking about? I have DWV that IS Sch 40, though it is'nt pressure rated....Anyway, you should be fine using it on your Cloud, just don't use it on a Pneumatic, large difference. I've used Cell core DWV sch 40 in Combustions with no problems, propane as fuel. Though I did'nt tell you to do it.
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Unread postAuthor: Brian the brain » Thu May 04, 2006 11:21 pm

wrong section guys....
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Unread postAuthor: Shrimphead » Fri May 05, 2006 4:38 pm

I thought propane cannons get to about 50 or 60, but maybe I'm wrong.
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Unread postAuthor: Benny » Fri May 05, 2006 6:03 pm

it varys, also i use dwv for pneumatics, it holds 100psi easily :D i only use like 1 inch pipe tho. :wink:
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Unread postAuthor: biker08 » Sat May 06, 2006 8:32 pm

has anyone ever done any tests to see how much pressure sch 40, non-pressure rated pipe can withstand? and is sch 40 pipe, non pressure rated fine to use, as long as it is not cell core, or what? i know at like home depot or lowes u cant find sch 40 pressure rated pvc that is any larger than 1.5'' where else can u find the stuff?
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Unread postAuthor: Benny » Sat May 06, 2006 11:36 pm

reasearch, also sch 40 non pressure rated holds the same ammount as pressure rated because there the same thickness. :wink:
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Unread postAuthor: Flinchy » Sun May 07, 2006 12:41 am

thats good to know about the dvw piping, i was getting a little worried myself with my current 4" duel chamber cannon. the 4" pipe is made out of DVW pipe, but i put hose clamps and ducttape around it, all i need is for that damn stun gun to get here quickly....
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Unread postAuthor: beebs111 » Thu May 11, 2006 3:59 pm

flinch, duct tape bursts at about 9 psi. i have done tests on sch 40 dwv fittings, and found them to be safe in low power pneumatics a 3"-1.5" bell reducer burst at 130 psi so i reccomend 50-70psi and i dont reccomend the dwv pipe cause u can get pw pretty easily :wink:
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Unread postAuthor: sgort87 » Thu May 11, 2006 10:10 pm

Benny says: reasearch, also sch 40 non pressure rated holds the same ammount as pressure rated because there the same thickness. :wink:


You seem to have forgotten that they have different DENSITIES!

DWV is fine for anything except medium to high power pneumatic launchers. A Cloud BBMG will not have much pressure in it at all. DWV is fine. I'd even use thinwall cellular core if I felt like it.

Benny please don't go around telling people to do research when you obviously aren't doing yours.
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Unread postAuthor: WOW!! » Fri May 12, 2006 5:00 am

biker08 wrote:has anyone ever done any tests to see how much pressure sch 40, non-pressure rated pipe can withstand? and is sch 40 pipe, non pressure rated fine to use, as long as it is not cell core, or what? i know at like home depot or lowes u cant find sch 40 pressure rated pvc that is any larger than 1.5'' where else can u find the stuff?
were do you live???

Benny wrote:reasearch, also sch 40 non pressure rated holds the same ammount as pressure rated because there the same thickness. :wink:


Just becasue the wall thickness is the same doesent mean that it is as strong, a cardboard tube with a .125 wall thinkness and a metal tube and .125 wall thinkness, the metal is strong because of density.

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Unread postAuthor: sgort87 » Fri May 12, 2006 9:14 am

Thanks for repeating what I just said WOW...
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