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way overkill marble gun

Built a pneumatic cannon? Then post it here! This section is for completed, finished cannons that you have built. Please include pictures and information.
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way overkill marble gun

Unread postAuthor: tater36 » Thu Mar 29, 2007 7:07 pm

I built this and it is actually my second pneumatic (my other is a little over under ball valve one) just a ball valve, 1.5'' barrel, 2'' chamber, really fun to shoot through magazines and other household items. Also fires a AA battery very far and gives a good kick id say a marble goes 125 yards and a battery about the same.
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Unread postAuthor: landoklr250 » Thu Mar 29, 2007 7:13 pm

U need a sprinkler valve and blowgun. That makes a huge difference. very fun!
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Unread postAuthor: tater36 » Thu Mar 29, 2007 7:21 pm

ya thats why i didnt glue the valve i used pvc nipple so i can change out for other valves if i want but i dont think sprinkler valves come in 1/2'' if they do tell me where to get one :D
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Unread postAuthor: pyromaniac » Thu Mar 29, 2007 7:26 pm

You just need a 1/2 to 3/4 bruching and your good to go.
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Unread postAuthor: Los Frijoles » Thu Mar 29, 2007 7:31 pm

And if you want to get a sprinkler valve w/o Ebay, The Home Depot is a good place to start. I got a jar top valve there last year. Although, they may not be in season.
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Unread postAuthor: tater36 » Thu Mar 29, 2007 7:35 pm

if i want to put a valve on there i need a 3/4 in but unless they make male thread ones thus you screw a bushing onto them i cant do it cause they dont make 3/4 in nipple pipe :cry:
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Unread postAuthor: Fnord » Thu Mar 29, 2007 7:41 pm

Nice gun. I would wouldnt bother putting a sprinkler on it though, save it for your next big gun and make something super powerful.

Hey pyromaniac, about your sig...
I didnt write that did I? I though it was joanna or someone.
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Unread postAuthor: iknowmy3tables » Thu Mar 29, 2007 8:19 pm

wow since i didn't see the other side at first I thought that it was a coaxile piston but then again its your second
nice cannon I can't see any primer on those joint did you use any or just do a really good job
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Unread postAuthor: tater36 » Thu Mar 29, 2007 8:36 pm

ya i really dont know how to post more than 1 pic i just put it up in like 2 seconds but i have other pics of the other sides, i dont know if the pvc cleaner classifys as primer but its clear stuff that is really nasty smellin u sust put it on before the cement which is also clear. i actually didnt do that good of a job its smeared all over but thats cause i was being liberal with the cement thanks for the comments :D
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Unread postAuthor: noname » Thu Mar 29, 2007 8:43 pm

PVC cleaner rocks my socks! It can be used as a primer, but I'd recommend primer also. I'd also recommend not taking it over 80 psi.
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Unread postAuthor: locksmith » Fri Mar 30, 2007 1:41 pm

i cant wait till contest time you will see a very over kill marble gun.my first pnuematic.nice shooter you built.i agree sprinkler valve and you will be rockin
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Unread postAuthor: zeigs spud » Fri Mar 30, 2007 2:08 pm

tater36 wrote:ya thats why i didnt glue the valve i used pvc nipple so i can change out for other valves if i want but i dont think sprinkler valves come in 1/2'' if they do tell me where to get one :D


you can find them but they are difficult to find. i remember seeing one while back on the threads somewhere.
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