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simple burst test

Post questions and info about hybrid (compressed gas with fuel) powered cannons here. This includes discussion about fuels, ratios, ignition systems, build types, safety, and anything else relevant.
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simple burst test

Unread postAuthor: SpudFarm » Fri Jul 25, 2008 5:07 pm

i just wanna ask if someone can send me a 2" SCH40 pipe on 5" with the fittings needed already glued on (one end should have 3/4" threads and the other have a cap glued on)

i ask to test the strength of SCH40 pvc in a hybrid and i will set off closed mixes up to 11x.

and is it someone that can get it REALLY cheap?

it has to be pressure rated!!

i can't get those kind of pipes here and i wanna do a test for you all.
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Unread postAuthor: blind909 » Fri Jul 25, 2008 5:12 pm

By cheep, like 10 feet for 4 bucks? If so, my home depot carries it sor that price.
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Unread postAuthor: CS » Fri Jul 25, 2008 5:19 pm

Uhh... why?

-Are you expecting people to send you the pipe free?
-Why are you more qualified to do these tests then any other spudder?
-You most likely would be getting the pipe from the US, and if I recall you live in Europe. (High shipping costs)

Plus what is this test(s) going to prove? We already now that the pipe rating pressure is a lot less then the actual failure pressure. But it is a safety factor to protect against potential defects in manufacturing.

I just don't see a lot of rational behind your post.
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Unread postAuthor: SpudFarm » Fri Jul 25, 2008 5:38 pm

i did not say free. but it would be like free here since pipes is so expensive.
i am not more qualified to do it and i acctually did say nothing about that..
the shipping will not be to bad

we know little about the ability PVC has to take shock pressure..

and last, i want to know how your pipes is and how much they can take against our DWV pipes to find out if i can make my first PVC gun and feel safe on it

and what would the price be where you live?

did it clear it up?
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Unread postAuthor: blind909 » Fri Jul 25, 2008 5:41 pm

In Las Vegas its 4 dollars for 10 feet of 2 inch pipe.
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Unread postAuthor: SpudFarm » Fri Jul 25, 2008 5:42 pm

hmm do you need some of it so i can get just a little piece? the whole thing would burn my pocket..

and is it rated?
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Unread postAuthor: blind909 » Fri Jul 25, 2008 5:46 pm

Yup, it is rated, but I might have trouble shipping it because of my parents, and how long a piece do you need?
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Unread postAuthor: SpudFarm » Fri Jul 25, 2008 5:48 pm

well it is not to important, around 5 to 7"
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Unread postAuthor: blind909 » Fri Jul 25, 2008 5:51 pm

I have about a foot right behind me, but to find 2 inch pressure rated fittings is a little bit harder.
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Unread postAuthor: SpudFarm » Fri Jul 25, 2008 6:12 pm

hmm, mabe i should go for the DDT test then :-\
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Unread postAuthor: DYI » Fri Jul 25, 2008 6:31 pm

I think you should stick to getting your hybrid to work before you embark on all these other things. :wink:
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Unread postAuthor: Sticky_Tape » Fri Jul 25, 2008 7:25 pm

I am with DYI on that one why test that it Will eventually blow up.
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You can tell how awesome a cannon is by the pressure used.
http://www.spudfiles.com/forums/high-pr ... 12803.html
xnt rnm ne z ahtbg
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Unread postAuthor: SpudFarm » Fri Jul 25, 2008 7:51 pm

DYI: i get my hybrid working when i get my union from You :)
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