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Mini Piston Gun v2

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: cyanite » Wed May 02, 2007 2:41 am

Hmmm, very nice launcher Ethal. I've designed a similiar one.... all it needs is purchasing/assembling... lol
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Unread postAuthor: chaos » Wed May 02, 2007 2:58 am

You call That mini??? huh?

Image

haha nah jks

nice craftsmanship man, ya should be proud of it.

peace
chaos
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Unread postAuthor: ethal1222 » Sat May 12, 2007 11:30 am

Actually, I don't plan on painting it spudthug. I always try to avoid primer stains and such to keep my guns nice and clean looking. I guess I just like the "natural" look.
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Unread postAuthor: theRIAA » Sat May 12, 2007 8:16 pm

where is the psi gauge hole in relation to the diaphragm? seems like it might affect the valves integrity a little.... or are they super hard or something?
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Unread postAuthor: ethal1222 » Mon May 14, 2007 11:33 pm

The pressure gauge is on the chamber side of the diaphragm. On this particular valve, the outer wall is about 1/4" of solid plastic so it's pretty sturdy.

BTW, I just ordered some plastic balls that fit the barrel to within 0.02" so I'll let you know what happens with those...
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Unread postAuthor: Tsukiten » Sun Oct 21, 2007 7:11 am

That is SO BEAUTIFUL!!! :shock: :D
So clean, so small, so cool!!

OH!! THE BURNING INSPIRATION~~!!! :twisted: BWAAHAHAHA

Edit: Oops did I just revive a dead topic?
:(
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I love it!

Unread postAuthor: gwoloshyn » Sun Oct 21, 2007 10:13 am

I like how it is really compact and nothing is really sticking out of it. Great job
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I love it!

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Unread postAuthor: battlemonkey » Sun Oct 21, 2007 9:57 pm

ether ive got a 42inch monitor or that coxial isn't realy that small. mabey it me lol. ive got to make a piston to fit in 20mm pipe
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Unread postAuthor: dapallox1 » Sun Oct 21, 2007 10:17 pm

Judging my all the comments about the sprinkler valve mod, I'm sure you'll be seeing some videos of new guns being built with sprinkler valves, and then you'll notice they have the same setup as you. It is so simple yet so perfect. I'm surprised that no one has thought of it before. Nice work.
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Current Project: 4" Tee Piston Valve
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Unread postAuthor: Novacastrian » Tue Oct 30, 2007 1:20 am

This is the first i've seen of this gun, and i must give you Major Kudos :D
I'm in the process of making an aluminium gun like that except it won't have the cool valve setup.
Really nice work :P
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Unread postAuthor: jackssmirkingrevenge » Tue Oct 30, 2007 2:20 am

Novacastrian wrote:I'm in the process of making an aluminium gun like that


A very long process ;) :D
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Unread postAuthor: Novacastrian » Tue Oct 30, 2007 2:27 am

jackssmirkingrevenge wrote:
Novacastrian wrote:I'm in the process of making an aluminium gun like that


A very long process ;) :D


Well, um.. Your Honour, the defendant HAS actually started his build, as a matter of fact you honour he completed just today the chamber, the argh.. endcap assembly complete with bumper and the 34mm piston with integral Polyurethane 40a duro sealing face. I your honour would suggest that my client has made an honest and most admirable start to this, his new toy of destruction.

Oh yeah and it's "gold plated", the chamber that is.
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Unread postAuthor: jackssmirkingrevenge » Tue Oct 30, 2007 2:45 am

The court is adjourned, gold plated eh? bling it on!
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Unread postAuthor: Novacastrian » Tue Oct 30, 2007 3:00 am

It's got just under a 60ml chamber volume and same barrel as before. Chamber is 85mm long. I have still to mod the piston, as to hole or the shock piston groove, The piston looks like the sabot i made except it is bigger and thicker (acetal) o'ring on the front only) Opion?
I can move the piston with my lungs, and it is 100 percent airtight.
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America, the greatest gangster of all time. With 200 million odd foot soldiers at it's whim and call.
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Unread postAuthor: psycix » Tue Oct 30, 2007 10:35 am

That looks sweet!



Could we have the barrel/chamber sizes? And till what pressure do you pump it?
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