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Well it was big untiil DR posted his....

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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Well it was big untiil DR posted his....

Unread postAuthor: ShowNoMercy » Tue Mar 20, 2007 10:17 am

<div align="center">I need a name!

Well this is my cannon, I thought it was rather big until DR showed me up, oh well.

Its a single chamber of 4" pipe roughly about 72" long and has a 2" barrel that is also along that length. I have a supah valve and use a C02 reg to fill it. Thats all the nonsense that runs parallel to the chamber, my lack of proper fittings made me use this and that to connect everything so its kinda a bit big.

<a>Gallery on Photobucket</a>

<a href="http://i148.photobucket.com/albums/s11/mateo2010/PotatoGunPictures004.jpg"><img src="http://i148.photobucket.com/albums/s11/mateo2010/PotatoGunPictures004.jpg" height="225" width="300"></a> <a href="http://i148.photobucket.com/albums/s11/mateo2010/PotatoGunPictures003.jpg"><img src="http://i148.photobucket.com/albums/s11/mateo2010/PotatoGunPictures003.jpg" height="225" width="300"></a>
<a href="http://i148.photobucket.com/albums/s11/mateo2010/PotatoGunPictures002.jpg"><img src="http://i148.photobucket.com/albums/s11/mateo2010/PotatoGunPictures002.jpg" height="225" width="300"></a> <a href="http://i148.photobucket.com/albums/s11/mateo2010/PotatoGunPictures001.jpg"><img src="http://i148.photobucket.com/albums/s11/mateo2010/PotatoGunPictures001.jpg" height="225" width="300"></a></div>
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Unread postAuthor: schmanman » Tue Mar 20, 2007 2:45 pm

you could double your barrel length.
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Unread postAuthor: MrCrowley » Tue Mar 20, 2007 3:29 pm

Hey nice cannon but can you fix the links the page is as distorted as a bat out of hell. :P
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Unread postAuthor: Scope » Tue Mar 20, 2007 3:31 pm

Nice cannon!
yea you would benifit from more barrel
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Unread postAuthor: ShowNoMercy » Tue Mar 20, 2007 4:19 pm

Well I try to use it for paintball games so lugging around a 10 foot barrel may not be the best idea :wink: . But if I were to double it, how much would that help performance ? I am assuming that it will cause a couple of people have already said to.
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Unread postAuthor: pyromaniac » Tue Mar 20, 2007 5:19 pm

What psi do you take it up to?
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Unread postAuthor: ShowNoMercy » Tue Mar 20, 2007 5:30 pm

Around a 100 psi, thats what the reg output is and I cant afford a another reg to get it down to around 50 psi. I know its prob not the most efficeint but its what I have to work with so I deal. During a paintball game I use a ball valve to try and get the pressure down to around ~50 psi.
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Unread postAuthor: Velocity » Tue Mar 20, 2007 6:04 pm

Looking good... I saw that you considered building a Vogt Pattern barrel for it?

You will not need a much shorter barrel.. you already have a 4:1 ratio (which is above the 3:1 which was used on DR's vogt pattern tennis ball launcher)

What I would do is this: Get a separate barrel, 1.5" SCH 21 x 60". Sleeve it in 2" SCH 80. This is the main part of your barrel. Connect it to a 2" tee, and then add 12" of the sdr-21/SCH 80 barrel coming out the other side of the tee, ending in a 2" male adapter and 2" SCH 80 threaded cap.
On the bottom of the tee, just add a male adapter, and this is your vogt-pattern barrel!

I'm not exactly an expert on this; ask DR, he has built 3+ of these guns
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Unread postAuthor: ShowNoMercy » Tue Mar 20, 2007 6:39 pm

Thanks I may try that out if my plan for a simple bolt action fall through. lol
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Unread postAuthor: goathunter » Tue Mar 20, 2007 7:58 pm

Dear lord you are bringing that on the paintball field? I sure hope you are planning on using it for a mortar or artillery.It would definitely fit the bill.Make some toilet paper cartridges and put a bouncing betty paintgrenade in.Watch the fun begin :lol:
Me and a friend did this at a scenario game.Pretty fun to launch grenades at kids from a 100yds. away.Also chuck about 75 paintballs or so inside and make it rain.
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Unread postAuthor: ShowNoMercy » Tue Mar 20, 2007 8:06 pm

Yea I play at a friends field when I have the time and money to afford filling like 5 different tanks of C02 and I use it as mainly a mortar, raining paintballs is most def lots of fun. :D
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Unread postAuthor: goathunter » Tue Mar 20, 2007 9:18 pm

You might try building a cartridge reloading system.Check out Puking Dogs Scenario team. They have a pretty cool LAW on there website.I copied it on one of mine.It worked well, I just got bored with the design and disassembled it.
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Unread postAuthor: ShowNoMercy » Tue Mar 20, 2007 9:27 pm

I have seen that and I like it but I am not a fan of the floating barrel design and my goal is to build that bolt action I posted and then from there upgrade to http://www.youtube.com/watch?v=EKHYS8DnPzE :wink: Hopefully
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Unread postAuthor: goathunter » Tue Mar 20, 2007 9:37 pm

Ah the DBD gun.I see I am not the only admirer of fine homemade weapons of paintball destruction. :twisted:
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Unread postAuthor: ShowNoMercy » Tue Mar 20, 2007 9:39 pm

Yea, its most definatly a holy grail if you will of paintball cannons, one I aspire to build, hopefully by next year.
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