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Overpowered and Bulky

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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Overpowered and Bulky

Unread postAuthor: ShowNoMercy » Wed Dec 12, 2007 10:48 pm

This is one of my cannons, rather a disappointment. It has dual sprinkler valves, modded and with way to much pilot volume. The barrel is roughly 5 feet long and is 3/4 CPVC. The chamber is 2 inch by 5 feet and it has a ball valve breach. I built it to get supposed great performance but the results were lacking. It was hard to aim and bulky.
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The whole gun.
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The valves
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Close up of breach and valves.
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Unread postAuthor: MrCrowley » Wed Dec 12, 2007 11:02 pm

Interesting setup you have there :P

Yeah a bit too much pilot and dead volume, but oh well, you can always salvage it for parts.
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Unread postAuthor: elitesniper » Wed Dec 12, 2007 11:10 pm

it looks rather nice. isnt the chamber a lilttle over kill?
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Unread postAuthor: MrCrowley » Wed Dec 12, 2007 11:29 pm

elitesniper wrote:it looks rather nice. isnt the chamber a lilttle over kill?


Hence the 'Overpowered' in 'Overpowered and Bulky' :wink:
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Unread postAuthor: elitesniper » Wed Dec 12, 2007 11:33 pm

Oh, i get it. haha :D
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Unread postAuthor: TwitchTheAussie » Thu Dec 13, 2007 12:47 am

What exactly were you trying to achieve? :lol: . I can call it the ultimate parts gun :P
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Unread postAuthor: watto » Thu Dec 13, 2007 6:14 am

Swap the barrel for a 40mm one and get rid of the long pilot hose :idea:
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Unread postAuthor: psycix » Thu Dec 13, 2007 10:33 am

Looks kinda scrapped together out of different sorts of crap.
But the setup looks nice.
What are the reasons of calling it a dissapointment? Lower the pilot volume, and maybe up the calibre and it will gain power.
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Unread postAuthor: *5*STAR*GENERAL* » Fri Dec 14, 2007 12:34 pm

yeah u got a lil toooo much dead space and too muck triggering mechs. well all is not lost you can probly use the middle pipes still! 8)
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Unread postAuthor: ShowNoMercy » Fri Dec 14, 2007 1:14 pm

It was more of putting it together because a) I had the pipe in my room, b) i needed a new valve anyway, and c) because i could. And what exactly are the middle pipes?
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Unread postAuthor: ALIHISGREAT » Fri Dec 14, 2007 2:20 pm

what were you trying to achieve by making such an ugly beast :wink: maybe you could get yourself a super long barrel and mount it on a stand to make it into an artillery type thing.
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Unread postAuthor: psycix » Mon Dec 17, 2007 11:19 am

How can you have so much elbows/tee's and other fittings lying around?

I always only buy the parts I need so Ive never got unused parts lying around.
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Unread postAuthor: ShowNoMercy » Mon Dec 17, 2007 12:04 pm

I have a job and most of the time nothing to spend my money on so I buy a lot of stuff when I go lowes or Home Depot. My mom loves it :wink:
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