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My First Pneumatic (Help Me) (With Pictures)

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: ShowNoMercy » Wed May 23, 2007 5:12 pm

Really? Guess I should have thought about that before.
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Unread postAuthor: pyromaniac » Wed May 23, 2007 5:16 pm

on he first page mopherman linked it. http://www.spudfiles.com/forums/a-true- ... t8073.html

there you go.
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Unread postAuthor: ShowNoMercy » Wed May 23, 2007 5:18 pm

I still dont get why he made it like that nor do I really care to much. So thanks
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Unread postAuthor: hotrocks » Sat May 26, 2007 7:59 am

Welll i rather have a cool cannon than i smaller handheld
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Unread postAuthor: hotrocks » Wed May 30, 2007 6:41 am

ok so: lubrication tips? should we even lube the barrel?
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Unread postAuthor: frankrede » Wed May 30, 2007 6:55 am

hotrocks wrote:oh yeah...we are going to put some plywood under it...ill put some pictures up this weekend

hahaha we should call it The MotherPucker
Thanks for ripping off my name asshole
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Unread postAuthor: Modderxtrordanare » Thu May 31, 2007 12:29 pm

Instead of buying 5 reducing bushings to thread in a schrader valve, you should have just drilled a hole and tapped it in.

You could have saved alot of money.
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Unread postAuthor: stupidandcontagious » Thu May 31, 2007 11:48 pm

Firstly, it turns out that the the gage on the pump we were using was broken, so we weren't getting an accurate reading. Now, instead of using two handpumps we got a foot pump with an accurate gage. Still pretty impressive, it turns out that at 40 psi it went 110 yards. As for aesthetics, we layed down this awesome camo duct tape all around the chamber and barrel. It looks pretty nice, but we're not quite finished yet. Hopefully we'll have picures up soon. Anyway, the competition is on Tuesday, and it looks loke we have some decent competition, so i was wondering what the maximum psi we could use, wothout it being dangerous. That'd be great if you guys knew. FYI, if you didn't know, its 260 psi rated pvc, but im pretty sure that's only for water pressure.
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Unread postAuthor: pyromaniac » Thu May 31, 2007 11:50 pm

When is the judgment day? basicly when everyone shows their projects.
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Unread postAuthor: stupidandcontagious » Fri Jun 01, 2007 8:54 am

It's on Tuesday, but we want to go all out today to see how well it can perform, so do you know the maximum psi we can use with it still being safe. Once again it is schedule 40 pressure rated at 260 psi.
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Unread postAuthor: lukemc » Fri Jun 01, 2007 9:00 am

the rating if watter and air pressure so if its possible to pump that high go for it you'll be fine
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Unread postAuthor: hotrocks » Sat Jun 02, 2007 9:58 am

Three more pics of the almost final cannon

Image

Image

Image
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Unread postAuthor: pyromaniac » Sat Jun 02, 2007 12:14 pm

i love that sign lol. id take it to 100 psi you'd get good preformance.
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Unread postAuthor: hotrocks » Sun Jun 03, 2007 8:35 am

we've been trying but its hard to do with manual pumps
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Unread postAuthor: pyromaniac » Sun Jun 03, 2007 12:18 pm

do oyu have alteasy 4 people? if so just take turns pumping. also look for a foot pump they are easier.
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