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Jument - 2" Sprinkler Valve Cannon

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: lukemc » Sun Apr 15, 2007 5:31 pm

wow probly the best paint job i have seen i a while! are bolt on shrader valves just threded if so where did you get em i have to glue mine in
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Unread postAuthor: jssizzle » Sun Apr 15, 2007 5:44 pm

What do you mean by threaded? You mean the part where you connect the pump to has threads, or the part connecting to the cannon? The schraders are just like normal ones except they are attached via a bolt system (no they are not threaded into the cannon) instead of forcing them into a hole and gluing them there.
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Unread postAuthor: tater36 » Sun Apr 15, 2007 9:10 pm

Thats an awsome paint job. Kool :shock:
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Unread postAuthor: mark.f » Mon Apr 16, 2007 6:29 am

I hate bike pumps. :lol: It's not that they're too hard to use, it's just that every single one I've bought so far broke after a week or so of use. Only kind I really like is the Husky ones you get at Home Depot. They work for ages if you keep their output pressure low. I tried taking them up to 300 PSI, and you get problems there.

Oh, and BTW, nice cannon! A 2" sprinkler valve is a great valve to use if one does not know how to build piston valves yet. Hope you stick around some until you do learn how to build one!

EDIT: and the Schrader valves we usually get from Wal-Mart or Auto-Zone aren't glued in. They have a round bottom that tapers into the stem, and they have a "bead" at the top that you pull through a 1/2" hole until it snaps in place.

<img src="http://www.markfh11q.net/images/tireschrader.gif">

If you want to connect these via pipe threads, I usually just trim off the bottom of the valve a little, place them through a 1/2" compression nut, and then tighten them into place.
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Unread postAuthor: lukemc » Mon Apr 16, 2007 2:31 pm

i jut searched both auto zone and walmart and other stores web sites and couldnt fin individual schraders any where what i did last time is just bought a bike tire and cut it out where do you get these snap in ones???
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Unread postAuthor: jssizzle » Mon Apr 16, 2007 4:50 pm

Thats odd . . . I've seen them at every auto store I've been to . . . I can even get a bunch free from my firends down at the honda dealership :wink:
They're such a small item that they might now show up on the website. Just go to a store and ask the clerk.

Yeah mark those were the kind I was talking about . . . I usually but a gob of glue to seal them anyways, I can never get them in right.

I've been looking around for piston plans, I'd love some advice, as I'm at a lack of cash and tools right now. Someday I'll make a coaxial . . .
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Unread postAuthor: lukemc » Mon Apr 16, 2007 5:26 pm

im just finishin my coaxail piston (still need a schrader :lol: ) but pm me if you want some help they arnt all that expencive pipe and fitting total cost me 11$ US
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Unread postAuthor: dewey-1 » Mon Apr 16, 2007 6:30 pm

--
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Last edited by dewey-1 on Sun Apr 20, 2008 3:54 pm, edited 1 time in total.
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Unread postAuthor: cb4289 » Fri May 11, 2007 12:01 am

dose any one know of any online pvc suppliers with a good sleciton and good prices.
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Unread postAuthor: frankrede » Fri May 11, 2007 1:00 am

VH_man wrote:this may be a dumb question but where can i get a 2 inch sprinkler valve? i wanna use it to actuate my 3 inch piston........
Why?
a 1" sprinkler would vent your pilot just as well with no noticeable increase in performance, and I have heard that it could actually hurt performance.
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Unread postAuthor: hi » Fri May 11, 2007 4:55 pm

I know this is kinda random, but i looked up "jument" and it isnt a word. i also asked my english teacher and she said she had never heard of it... so what exactly does it mean?
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you know you are not an engineer if you have to remind yourself "left loosy righty tighty"
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Unread postAuthor: pyromaniac » Fri May 11, 2007 5:08 pm

He could have just thought it would be a good name.

Also i really like thsi cannon.
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Unread postAuthor: jssizzle » Fri May 11, 2007 8:08 pm

http://dictionary.reference.com/browse/jument

Straight off dictionary.com

Thnaks again for all the feedback!
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Unread postAuthor: jtnichol » Mon Jul 23, 2007 4:32 pm

I'm into a 2" Hunter valve right now, but I'm seeking some guidance on another thread before modding. I'd hate to ruin it....

http://www.hunterindustries.com/Product ... specs.html

Any thoughts would be great.

I've already jacked up a piston assembly, so I'm opting for this valve mod instead.

AND I LOVE THE PAINT JOB.
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Unread postAuthor: bassmaster1228 » Mon Jul 30, 2007 11:10 pm

i love the paint job
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