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My AT-4 Model 1

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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My AT-4 Model 1

Unread postAuthor: Papa Smoke » Wed Feb 04, 2009 3:38 pm

Hi all, first time poster, first time builder. This is my first attempt at building what will soon become my paintball teams primary tank killing weapon.

Cannon

1" modified Orbit sprinkler valve
2" pressure rated PVC barrel chamber & fittings
Slidecheck/fill nipple

Body
4" PVC body
4" - Cast Iron Flare fittings
4"-2" Reducer Fittings
Sight Rail & Red Dot

For my first cannon it turned out alright. You can see from the pictures its a little long but it does draw attention on the field. I have not actually measured how far it fires, but it exceeded my expectations. The launcher can be run off of my remote line (120 psi) for fast-as-you-can-load firing or the slide check can be closed and disconnected from the air source for a more mobile 1-Shot launcher. Model 2 will hopefully be shorter & lighter. I would also like to change the position of the air connection and enclose the valve and blowgun in more PVC to finish off the body kit

Image[/u]

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Unread postAuthor: Davidvaini » Wed Feb 04, 2009 3:51 pm

not bad, it will look better if/when you hide the trigger. You could also go with a non-modded sprinkler valve so you could have an electronic trigger.. the performance would still be adequate for paintball/airsoft use.
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Unread postAuthor: jonnyboy » Wed Feb 04, 2009 4:14 pm

Nice gun. I like how you hid all the "plumbing parts" with an outer body it makes it look more realistic.
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mobile chernobyl wrote:I can shoot a Canuter Valve off my '82 Chevy Ram F150 AT LEAST 3/4 Mile with 'ma cannon made of soup cans duct taped together, then I just squirt some bacardi 151 in the chamber and hold up my cigarrete lighta and WHOOSH! That thing flies at least 3/4 mile
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Unread postAuthor: ALIHISGREAT » Wed Feb 04, 2009 4:26 pm

its beautiful :wink: an amazing piece of work, congrats!
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Unread postAuthor: maverik94 » Wed Feb 04, 2009 6:00 pm

very nice, i like it
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Unread postAuthor: SpudsMcGee » Wed Feb 04, 2009 6:11 pm

Sick-Nasty... and I'll leave it at that because its awesome and I don't want to ruin it.
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Unread postAuthor: jonnyboy » Wed Feb 04, 2009 8:15 pm

What is a tank in paintball? OH and that mask is sweet. 8)
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mobile chernobyl wrote:I can shoot a Canuter Valve off my '82 Chevy Ram F150 AT LEAST 3/4 Mile with 'ma cannon made of soup cans duct taped together, then I just squirt some bacardi 151 in the chamber and hold up my cigarrete lighta and WHOOSH! That thing flies at least 3/4 mile
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Unread postAuthor: grumpy » Wed Feb 04, 2009 9:03 pm

jonnyboy wrote:What is a tank in paintball? OH and that mask is sweet. 8)


this is a paintball tank. http://www.youtube.com/watch?v=cF39A7Cxxp8&NR=1
that is a sweet looking launcher.
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Unread postAuthor: starman » Wed Feb 04, 2009 9:41 pm

It looks quite heavy with the cast iron and 4" bazooka facade..especially for a 2" cannon. However, I do like your details, red-dot site, paint job, shoulder strap and overall workmanship.

Great work for your first cannon! Welcome to Spudfiles, Papa Smoke.
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Last edited by starman on Thu Feb 05, 2009 3:29 am, edited 1 time in total.
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Unread postAuthor: Lentamentalisk » Thu Feb 05, 2009 1:20 am

I'm curious as to how you load it. Do you just shove the ammo down the barrel? If you worked on a cartridge mechanism or some manner of a breach loading system, you could fire a lot more rapidly.
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Unread postAuthor: inonickname » Thu Feb 05, 2009 3:19 am

Welcome to spudfiles papa! It's always nice to see a new member bring a great gun here. I'd agree with hiding the trigger, but nice work!
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Unread postAuthor: littlebro05 » Thu Feb 05, 2009 6:09 am

When I saw this AT-4 Paintball Launcher I jizzed in my pants.

Dude first time builder... mroe like 50 times builder I love your launcher.

Welcome to Spudfiles!
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Don't start crying when I play this as my hobby, Paintball, Airsoft and Nerf are equally good hobbies, except you can play Nerf in public. Good day! Hmph!
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Unread postAuthor: Papa Smoke » Thu Feb 05, 2009 10:42 pm

Thanks for all the positive feed back guys though I feel I could have been a little more specific about the components. The flares at the end are plastic 4"-to-cast-iron fittings, not 4" cast iron fittings (this thing is heavy enough).
It is a muzzle loading launcher, but plans are in the works for model 2 and that will hopefully be breach loaded. Also, I agree with every one that the valve definitely needs to be enclosed, it's on my to-do list.
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Unread postAuthor: ckman » Fri Feb 06, 2009 12:18 am

SICK. this thing is amazing you should upgrade the trigger to a 1/4 ball valve.
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Unread postAuthor: starman » Fri Feb 06, 2009 12:29 am

ckman wrote:SICK. this thing is amazing you should upgrade the trigger to a 1/4 ball valve.


Why do you suggest this? It would hardly be "upgrade" for its present usage.
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