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Thanx – first pneumatic

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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Thanx – first pneumatic

Unread postAuthor: Bluemax » Thu Apr 19, 2007 9:03 pm

Ladies & Gentz,

Just wanted to say Thanx for all the help. This community answered many questions and of course “sparked” many more.

I built this, my first pneumatic, for paintball. I’m sure the spud bug will have me make more in the future.

Image

Image

For those into paintball; I have attached a regulator so I can run a remote to my 3k/68i. I will be hunting tanks and the occasional bunker in and around NC
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Unread postAuthor: pyromaniac » Thu Apr 19, 2007 9:06 pm

nice if you play paintball see laws how too on tactics for this.

i like this gun alot. great first.
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:pottytrain3:
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Unread postAuthor: scatdawg » Thu Apr 19, 2007 9:06 pm

very nice looking gun.
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Unread postAuthor: noname » Thu Apr 19, 2007 9:07 pm

Extremely well done for a first. You did your homework!
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Unread postAuthor: Kenny_McCormic » Thu Apr 19, 2007 9:09 pm

is that sch80 or painted either way that is a nice gun
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Unread postAuthor: origin unknown » Thu Apr 19, 2007 9:12 pm

dang man, nice first gun. its way better than my first. keep up the great work!
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Unread postAuthor: Bluemax » Thu Apr 19, 2007 9:16 pm

Kenny_McCormic wrote:is that sch80 or painted either way that is a nice gun


Sch80 for the 90s. Everything else is sch40 painted O.D. but the catridge.

The cartridge is ABS so I can carry preloaded Nerfs. Question for the experts: I understand ABS is not the best material due to its cellular composition, but with the small surface area and being a part of the barrel anyone see a safety issue? My kids have a father; I plan on keeping it that way. Comments on the ABS cartridge would be greatly appreciated.
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Unread postAuthor: goathunter » Thu Apr 19, 2007 9:17 pm

Nice gun, are you going to the Vietnam patrol game on may 12?
And that cartridge shouldn't be a problem given that it sees very little pressure as the nerf exits the barrel.If you at all feel uneasy about it switch to pvc that is what I use.
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Unread postAuthor: frankrede » Thu Apr 19, 2007 9:59 pm

ABS is fine for barrels, and in some cases, preferred.
Its strong and lightweight.
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Current project: Afghanistan deployment
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Unread postAuthor: souljahz_unite » Thu Apr 19, 2007 10:04 pm

for a first that gun looks nice
i like the way it has the bend then the barrel. those guns intrigue me :P
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Unread postAuthor: Pete Zaria » Thu Apr 19, 2007 10:11 pm

@Bluemax,

The ABS is just fine. It's not good to pressurize it frequently or for long periods of time (so it's no good for chambers) - but as a part of the barrel, it should be exposed to only a small and reasonably short pressure spike.
Even if it were to fail, ABS rips open clean without sending out shrapnel in every example I've ever seen, unlike PVC. I wouldn't worry about it, unless you're taking this gun over 125psi.

Amazing job for a first build. Could we get a close-up pic of the gas fill system? I'm curious how you rigged that up in such a small package.

Peace,
Pete Zaria.
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Unread postAuthor: Bluemax » Thu Apr 19, 2007 10:47 pm

@goathunter

Yes, this LAW will be making its debut at CDP for the Vietnam Patrol. I am on Team ODX, the field’s PB team and will be hunting our own tanks

@Pete Zaria

Your close ups sir:

The system remotes from a 3k/68i bottle. The regulator on the bottle outputs approx 800 psi.

Image

The remote connects to a CCM inline regulator on the cannon with an adjustable output from 80 psi to 500 psi

Image

Connected to the CCM regulator:
High pressure ball valve (used to control rate of fill to reduce sprinkler valve bladder cavitations)
Pressure gage
Safety pop off valve

Image

*edit: spelling*
Thanx for all the kind words Gentz
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Unread postAuthor: shud_b_rite » Thu Apr 19, 2007 11:18 pm

For a first gun that is freakin awesome. You should enter it into the competition, but I think its too late now. Very nice
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Airbeds... so many different uses
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Unread postAuthor: Pyro Ninja » Fri Apr 20, 2007 1:50 am

thats really cool.....I like that cartridge idea muckly.....good job. :D
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Unread postAuthor: XxtriviumxX » Fri Apr 20, 2007 4:58 am

Very nice job for a first gun. I like how you used a vortex as ammo, have you tried one of those vortexes that howl, that would sound really cool at such a high velocity. Again good job.
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