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First Piston Valve 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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First Piston Valve gun.

Unread postAuthor: anthony5640 » Fri Apr 17, 2009 1:56 am

today i finished my first piston valve air gun :D works quite well but there's still a leak from out of the barrel.

specs: (new to this :P)
umm. well the barrel is 32mm electrical conduct. nice and strong.
chamber. i dont know its a water bottle.
the piston housing thing. or w/e u call it, is a 3/4 tee
then the 1/2 tee with shredder valve and 1/2 ball valve.

i got the desgn from MrRedRooster AKA MRR ;)

MRR - thanks for the help :D

ill post pics up soon. i canot find the camera, and i'd get some damage shots. but i dont know what to use as ammo, as the barrel for this is quite a bit bigger than my other marble sized one. i was using an old broom handle and chopping it up into smaller peices.
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Unread postAuthor: jook13 » Fri Apr 17, 2009 2:03 am

Whatever happened to people posting their "finished cannons" when their cannon is finished AND they are ready to post it. Ready as in has pictures. What is the use of posting "It is done, but I cant show anything yet."?

Why didnt you just wait till you were ready to post it before you started this thread?
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Unread postAuthor: Carlman » Fri Apr 17, 2009 3:57 am

Water bottles are rated to 0psi please remove it before we have another news story on our hands
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Unread postAuthor: qwerty » Fri Apr 17, 2009 4:28 am

It would be nice if we could see some pictures
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Unread postAuthor: psycix » Fri Apr 17, 2009 4:45 am

Carlman wrote:Water bottles are rated to 0psi please remove it before we have another news story on our hands

Im pretty sure the bottles of carbonated drinks have a rating...
But its not high.


@OP
Cmon slap on a pvc chamber and post those pics!
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Unread postAuthor: Carlman » Fri Apr 17, 2009 5:10 am

psycix wrote:
Carlman wrote:Water bottles are rated to 0psi please remove it before we have another news story on our hands

Im pretty sure the bottles of carbonated drinks have a rating...
But its not high.


@OP
Cmon slap on a pvc chamber and post those pics!


He said water bottles, hence 0psi
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Unread postAuthor: psycix » Fri Apr 17, 2009 5:30 am

In that case you are right unless he posts its a carbonated water bottle.
But either way, I agree he just should make a PVC chamber.
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Unread postAuthor: qwerty » Fri Apr 17, 2009 7:22 am

The 500ml coke bottles can hold about 120psi (with a bit of luck) :roll:
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Unread postAuthor: anthony5640 » Fri Apr 17, 2009 7:36 am

its not a plastic water bottle.. that'd be silly. i didnt explain that part very well :oops:

anyways.. here it is. the barrels not connected in the pic.


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Unread postAuthor: qwerty » Fri Apr 17, 2009 8:37 am

looks......different
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Unread postAuthor: qwerty » Fri Apr 17, 2009 8:37 am

What range are you getting?
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Unread postAuthor: MountainousDew » Fri Apr 17, 2009 1:01 pm

Double Post! Its best not to do that...
But back on topic! Sure its not a water bottle, but Gatorade isn't any safer... Just go to the store and spend five dollars at the minimum to get a safer/better chamber...

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Unread postAuthor: anthony5640 » Sun Apr 19, 2009 10:05 am

range.. err. nfi i havent tested it to the fullest and only shot it at things. air flight 5-7 secconds, but it leaks the piston isnt that great and needs attention.
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