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Air or Fire

A place to ask general spud cannon related questions.
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Air or Fire

Unread postAuthor: TACAMO » Wed Mar 23, 2005 12:22 pm

I just made my first cannon, and i might make another one. So i was wondering witch one was better, Compressed air or Right gard.
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Unread postAuthor: CS » Wed Mar 23, 2005 7:35 pm

I think what your trying to say is pnuematic or combustion. Seeing as you have already made one cannon you might want to make a pnuematic gun because they are harder to cnstruct and shoot farther. I have expressed my opinion about this before to and i think the only real thrill in a pnuematic is the construction process. Shooting combustions are so much funner to shot (I think). A big BOOM and a flame is some much cooler then a rush of air. If your wondering i have also built a pnuematic gun before and the only thrill was making it. I dont know if you should listen to my opinion seeing as it is a miniorty (who have the same opinion as me) and the rest of the spud gunners that arent in my minority they seem to like pnuematic. I hope i have given you good idea of what you want to do. Sorry for it being so long :oops:
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Unread postAuthor: boilingleadbath » Thu Mar 24, 2005 3:46 pm

Better? Definatly a pnematic!
If I remember, peak pressures in a combustion are around 30-60 PSI, where a pnematic is often operated at pressures in the 100+ range.
A good combustion with a good propelent is quite simmilar to a pnematic. Combustions can be simpler then pnematics, and their fuel is a bit more portable than a air tank.
I always liked fire though, so my next one is going to be a combustion.
(my first one is a coaxial 4" chamber, 2" barrel 58.5" long, with 3/8 ball vaulve actuated diaphram vaulve)
The vaulve was acctualy quite simple to make...
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Unread postAuthor: Aaron ????? » Sun Mar 27, 2005 6:47 pm

make an air powered one my combustion cannon blew up in my face

another quality message byAaron ????? inc.
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Unread postAuthor: boilingleadbath » Sun Mar 27, 2005 7:44 pm

Yeah, and you where using cellular core pipe, wern't you?
If you make a pnematic out of cellular core, it's just as dangerous...
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Unread postAuthor: Rehab Ralph » Mon Mar 28, 2005 1:24 am

uhh whats a cellular core pipe. I have a 6" pipe in diameter that I plan on using for a combustion, I think someone told me that that might be a cellular core pipe. What is it?
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Unread postAuthor: BC Pneumatics » Mon Mar 28, 2005 3:16 am

Cell core means the wall is full of tiny bubbles. this pipe is very weak, and should not be used for guns.
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Unread postAuthor: boilingleadbath » Mon Mar 28, 2005 4:31 pm

Yeah, cellular core means that the pipe wall is mostly "hard foam". It has a thin layer of solid PVC on the outside, but don't let that fool you. You could try poking the wall of you pipe (from the end) with a nail or something. If it dents it at all, anywhere, don't use it!
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Unread postAuthor: Aaron ????? » Sat Apr 09, 2005 9:59 pm

the pipe on my cannon was sollid pvc not cellular core and it still blew up i think it was just getting old and weak
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Unread postAuthor: Rehab Ralph » Sun Apr 10, 2005 11:59 am

I did what you told me to do to see if my 6" PVC was cellular core and its not. Im going to use that for a massive combustion...
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Unread postAuthor: spudshot » Sun Apr 10, 2005 3:48 pm

not if i get to using my 6" or 8" first :P
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Unread postAuthor: Rehab Ralph » Mon Apr 11, 2005 1:21 pm

NOt sure were to find 6" fittings though. Homedepot doesnt carry them. :?
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Unread postAuthor: spudshot » Mon Apr 11, 2005 2:09 pm

my lowes does...HAHA j/k
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Unread postAuthor: PCGUY » Mon Apr 11, 2005 7:37 pm

My Lowes carries up to 10" or 12", forgot which.
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Unread postAuthor: spudshot » Mon Apr 11, 2005 8:24 pm

oh you can cram some 12" up your ass PC j/k (PLEASE DONT KILL MY ACCOUNT OH EVIL ADMIN!!!!)
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