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Pneumatic soda bottle chamber

A place to ask general spud cannon related questions.
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Pneumatic soda bottle chamber

Unread postAuthor: Bluetooth » Thu Jun 29, 2006 3:49 pm

How much pressure can i normal 20 oz. sprite or coke (or any other type of soda bottle) bottle hold because i want to make a coke bottle cannon?
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Unread postAuthor: saladtossser » Thu Jun 29, 2006 3:51 pm

people say it has a 160 psi rating, but people also said they have bursted at 50 psi.
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Unread postAuthor: Atlantis » Thu Jun 29, 2006 3:54 pm

That information is easy to find,but since I'm nice, 160PSI MAX! Don't take it past 100 PSI, it has pretty much the same strength as Sch40 Nsf-Pw PVC, which the rest of the cannon will be made out of. That should help you connect it, there are other ways though.

http://www.advancedspuds.com/coke.htm
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Unread postAuthor: Bluetooth » Thu Jun 29, 2006 4:16 pm

Thank you very much for not just telling me to find it myself because it very common information and i did look around firs and i didnt find anything. That link was a lot of help. :D
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Unread postAuthor: Bluetooth » Thu Jun 29, 2006 7:16 pm

Whats the difference between nsf-pw and nsf-dwv?
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Unread postAuthor: djt » Thu Jun 29, 2006 7:46 pm

i thought 160 psi was for 2 liters. 20 oz should hold more than that...
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Unread postAuthor: SpudStuff » Thu Jun 29, 2006 7:54 pm

Whats the difference between nsf-pw and nsf-dwv?


1. totally off topic
2. do research(spud wiki)
3. NSF is a standards compane. PW means potable water. it is rated for pressure. DVW is not pressure rated. It meand Drain Waste Vent.

your pipe may say both. Look for the XXX PSI some were on it. always make sure it says NSF-PW
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Unread postAuthor: CS » Thu Jun 29, 2006 8:02 pm

"That information is easy to find,but since I'm nice, 160PSI MAX! Don't take it past 100 PSI, it has pretty much the same strength as Sch40 Nsf-Pw PVC"

*BULLSHIT BUZZER*

Are you stupid?! No where near the same strength. First off just compare the huge wall thickness difference. Second your comparing the bottles *burst* strength to that of the pipe recommended safe max. That number is made with a huge safety factor... Cant belive people say such stupid stuff.
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Unread postAuthor: rna_duelers » Fri Jun 30, 2006 5:16 am

Here is australia our pipe is rated to 3times it safe running pressure before it blows out.And your pipe is higher pressure rated then ours so sch40 would explode at about 400psi or so.
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Unread postAuthor: Bluetooth » Fri Jun 30, 2006 7:29 am

Thnx everyone for your help once i get my sprinkler valve ill start building my coke bottle pneumatic.
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