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Back to Basics

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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Unread postAuthor: PVC Arsenal 17 » Sat Nov 24, 2007 6:14 pm

I recently bought a sh*t ton of saddle tees to use as barrel supports for two more tennis ball guns I will be making. I ended up with a couple extra, so I decided to incorporate one in a simple pneumatic with the sprinkler valve I recently modified.

Specs:

Chamber: 18" x 2" sch40 PVC
Barrel: 36" x 1" sch40 PVC
Valve: Modified 1" Orbit WaterMaster
Pilot Valve: 1/4" ball valve
Fill valve: 1/8" brass schrader

Total cost was around $25. (10 for pipe, 10 for sprinkler, 5 for ball valve)

More pics and possibly damage shots tomorrow... glue is still drying. But it's getting cold so I can't do much with my PVC guns. Shame, winter is my favorite time to build things!

Image

Image

Image
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Last edited by PVC Arsenal 17 on Sat Nov 24, 2007 6:20 pm, edited 1 time in total.

PVC Arsenal 17
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Unread postAuthor: Novacastrian » Sat Nov 24, 2007 6:20 pm

Very nice and clean, be sure to post damage pics!
Did you use clear primer/glue?
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Unread postAuthor: Maniac » Sat Nov 24, 2007 7:13 pm

yea nice gun i dont understand how you hold it though. and i love te use of a ball valve you dont see that to much
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Unread postAuthor: hi » Sat Nov 24, 2007 8:12 pm

whats are the hose clamps for? they seem a little bit useless to me. also, why does it have that funny trigger guard? its clean and thats what counts.
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Unread postAuthor: PVC Arsenal 17 » Sat Nov 24, 2007 9:27 pm

The "trigger guard" is actually a handle. And I wanted it to be removable, hence the hose clamps. It's actually quite ergonomic this way. The ball valve makes a good trigger.
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Unread postAuthor: The Kid » Sat Nov 24, 2007 10:30 pm

looks good nice, simple and clean i like it good work
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Re: Back to Basics

Unread postAuthor: MrCrowley » Sat Nov 24, 2007 10:47 pm

PVC Arsenal 17 wrote:a simple pneumatic with the sprinkler valve


Sometimes those are the best kind :wink:

Nice stuff, very clean. I really love your guns because no matter what they're always clean and you make white PVC look great, which is no easy feat. :P
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Re: Back to Basics

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Unread postAuthor: Eddbot » Sun Nov 25, 2007 1:43 am

how does everyone on here get their sprinklers for $10, mine cost 20 and was only 3/4"
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Unread postAuthor: MrCrowley » Sun Nov 25, 2007 1:47 am

First of all, do you live in America?
Do you buy them from Home Depot?

When I was in America the prices were similar everywhere I went, Las Vegas was the cheapest with $11 and San Fran was the most expensive with $13 for a 1" valve.
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Unread postAuthor: TheTrooper » Sun Nov 25, 2007 4:18 am

I get my sprinkler valves in America at Home Depot about $12 for a 3/4". Pretty cheap compared to what some people get em at.
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Unread postAuthor: VH_man » Sun Nov 25, 2007 8:10 am

thats a nice looking cannon.

are those pipe saddles useful? i might have a use for them

and if you wanna use a cannon in the winter, use it as an excuse to make something high pressure............. and full metal.
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Unread postAuthor: PVC Arsenal 17 » Sun Nov 25, 2007 12:47 pm

I'm having a lot of problems with the sprinkler valve. Turns out the diaphragm is defective. The sealing face is smaller than the "ring" inside that it should be sealing against. So now I have to grind down the ring.
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Unread postAuthor: pm » Sun Nov 25, 2007 3:44 pm

nice basic deadly
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Unread postAuthor: PVC Arsenal 17 » Sun Nov 25, 2007 4:45 pm

Got the valve to work.

Man this thing is fun. The handle configuration is perfect for shots with heavy recoil. (water)
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Unread postAuthor: bob-a-lu » Sun Nov 25, 2007 7:16 pm

nice simple clean and AWESOME! i love it really good job.
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