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Pneumatic Golf Ball Cannon

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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Pneumatic Golf Ball Cannon

Unread postAuthor: SANGER » Fri Dec 05, 2008 4:12 pm

Hey guys, i'm only new to the site but i have been working on a cannon which i have recently completed. It is all metal construction with 2 air chambers, ball valve, pressure guage, air coupling all finished off with some camo paint which was done by my fiance. So far i have managed to fill it to 160 psi which it will hold all day long. Its range is approx 400m at the pressure. Anyway heres some pics.

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Unread postAuthor: Ragnarok » Fri Dec 05, 2008 4:19 pm

Very nice.

Just a shame about the use of a ball valve as the main valve - that's going to be costing you a huge amount of potential power. You might be able to recoup some of those losses though if you built a good spring powered opening mechanism to get the valve open faster and more consistently.
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Unread postAuthor: FishBoy » Fri Dec 05, 2008 4:25 pm

@ Rag- true dat

Anyway, nice build, it looks pretty clean, and I don't think it would be very difficult to set up a spring/pin system to open the ballvalve quickly.
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Unread postAuthor: daberno123 » Fri Dec 05, 2008 4:27 pm

Lookin' good.

What's the wall thickness of your barrel? It looks pretty thick.

The welding looks clean and I can honestly say I have never seen a paint job like that on a cannon before. Good to see you are protecting it from that hose clamp.

Pity about the ball valve though, throw a piston valve on this it would be a beast. Its still a great first cannon, I look forward to seeing bigger and better things from you.

Welcome to Spudfiles!
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Unread postAuthor: ALIHISGREAT » Fri Dec 05, 2008 4:32 pm

hmmm looks like it could hold at least 200psi :wink: and i'm liking the camo chambers :P
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Unread postAuthor: jackssmirkingrevenge » Fri Dec 05, 2008 4:53 pm

Aussie pride eh :D agreed with the above that since you clearly put quite a bit of effort into it, sticking witha ball valve is a shame, you can get a lot more power out of that thing.
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Unread postAuthor: starman » Fri Dec 05, 2008 5:13 pm

Wow, really nice cannonage there!! Love the "all metal" construction, the special "T" you built in the rear and the singleton padded barrel/chamber hose clamp. First upgrade project is to replace that ball valve (as nice as it is), as others have mentioned. Overall though, very good work...especially so for a first post!

Give your fiance' our regards...she did a fine job on the camo paint.
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Unread postAuthor: SANGER » Fri Dec 05, 2008 6:24 pm

Thanks all for the feedback. Its safe to say i have used an inferior valve :oops: Can anyone post some details of what i should replace it with. Eg. pictures and specs.

I'm thirsty for more power :twisted:

Once again big thanks for those who posted.
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Unread postAuthor: daberno123 » Fri Dec 05, 2008 7:07 pm

I'd have a look through this if it's power you're after.
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Unread postAuthor: Cosmic Muffin » Fri Dec 05, 2008 10:16 pm

nice to see that flag on the side :wink:
we rock ay.
aha
nice gun. the chambers give the gun a nice look.
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Unread postAuthor: Daltonultra » Sat Dec 06, 2008 12:25 am

That is a great first cannon. Those welds are nicely done, and the paint is beautiful! Some real craftsmanship went into that.

I do see a problem with upgrading, though. It looks like you welded the top elbow on after attaching the ball valve to it...I don't think there is enough room to unscrew the valve without hitting the tanks.
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Unread postAuthor: Radiation » Sat Dec 06, 2008 2:10 am

Love it!that paint job is spectacular! Nothing I can say that hasn't already been said honestly, beautiful work there. Get rid of the ball valve..... There I go saying what's already been said. :)
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Unread postAuthor: SANGER » Sat Dec 06, 2008 6:27 am

I've had a bit of a think about the valve situation and i'm going to stick with the ball valve even though i am sacrafising power. It is my frst attempt and i have learnt alot and lastly it is bloody good fun.
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Unread postAuthor: jackssmirkingrevenge » Sat Dec 06, 2008 7:19 am

I agree, as a first project you should leave it be. Food for thought for your next project though ;)
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Unread postAuthor: Radiation » Sat Dec 06, 2008 11:22 am

Hey, that makes sense. As long as you are furiously working on your next project. :lol:
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