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2" Spudgun (cannon) made from beadseater and pipe.

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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2" Spudgun (cannon) made from beadseater and pipe.

Unread postAuthor: Ryan00101101 » Wed Apr 25, 2012 12:07 am

I just made a spud gun (cannon) it was a bead seater. Now it is a cannon! it has a 75" long barrel 2" diameter made with schedule 80 ipex with a 2" butterfly valve and it packs a punch. The chamber is 12" in diameter and 12" long. I am new to this form so I hope this works and you like the spud gun. This one was easy to make and a blast to shoot!
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Attachments
truck reebar arrow.jpg
Reebar arow shot through a truck box. I used paper towel and duct taped to it to make a proper seal
2.jpg
spud being fired out of cannon family get together
1.jpg
spud just leaving the barrel
broom.jpg
Broom stick being fired I used a plastic bag and wadded it up around the end.
pipe1.jpg
shooting a metal pipe at an old fridge it did way more damage than I thought it would.
pipe2.jpg
The pipe went through the side lol. Again I just used a plastic bag as a wad.
golballdent.jpg
Golfball dent in the fridge I was shooting up.
hole shot through aspenite.jpg
Spud shot through 3/8" aspenite
Last edited by Ryan00101101 on Wed Apr 25, 2012 1:01 am, edited 4 times in total.

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Unread postAuthor: Ryan00101101 » Wed Apr 25, 2012 12:15 am

The next thing I want to launch and video tape is glowsticks. It should look like tracer ammo.
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Unread postAuthor: jackssmirkingrevenge » Wed Apr 25, 2012 12:26 am

Not bad, if you want better peformance you should try putting a burst disk between valve and barrel to compensate for the butterfly valve's relatively slow opening time.
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Unread postAuthor: Ryan00101101 » Wed Apr 25, 2012 12:30 am

Burst disk would be the ultimate valve where do you get them though? Like to break at 120psi would be sweet.
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Unread postAuthor: jackssmirkingrevenge » Wed Apr 25, 2012 12:33 am

All you need is a union to hold it, maybe something like this.

Image

I also find that camlok fittings work well too.
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