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New cannon Design Help=)

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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New cannon Design Help=)

Unread postAuthor: jsefcik » Mon Jul 16, 2012 6:07 pm

Im building a new cannon using a dust collector valve(thanks matty im gealous)

i dont really have an idea for chamber size,but barrel will be 1 1/2 for golf balls

chamber port is 1 1/2, pilot hole is 1/8,coming out with be a tee one side quick connect and ball valve, other side will be basic blow gun

i was thinking maybe two inch for chamber


ideas/opinions/thoughts???
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Unread postAuthor: dewey-1 » Mon Jul 16, 2012 6:23 pm

Here is what I call a Fill-N-Fire piloting system.
It makes use of a tire inflator from Harbor Freight.
The trigger is used to fill with air and the button on the side is used to fire.

This is simple enough for you Jesse since you thought my other version was complicated.
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Unread postAuthor: mattyzip77 » Mon Jul 16, 2012 7:30 pm

Look at others cannons and get ideas. But dont copy mine!! :D
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Unread postAuthor: acs2997 » Mon Jul 16, 2012 7:44 pm

I'm not sure what kind of barrel material you're using, but be careful with 1.5" - i know for PVC youre going to want sdr 21, not sch. 40 or 80
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Unread postAuthor: jsefcik » Mon Jul 16, 2012 9:11 pm

acs2997 wrote:I'm not sure what kind of barrel material you're using, but be careful with 1.5" - i know for PVC youre going to want sdr 21, not sch. 40 or 80


sdr21 fits golf balls perfectly!!!
nd matty i found one on the form dont worry

whats bad about sch40 or 80?
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Unread postAuthor: mattyzip77 » Mon Jul 16, 2012 9:43 pm

Dewey you make the best sketches ever. I actually have your sketch of my launcher as my wallpaper on my cell.
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Unread postAuthor: jsefcik » Mon Jul 16, 2012 10:54 pm

mattyzip77 wrote:Dewey you make the best sketches ever. I actually have your sketch of my launcher as my wallpaper on my cell.



mwahahah, where do you think im designing mine from?
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Unread postAuthor: mattyzip77 » Mon Jul 16, 2012 11:09 pm

Your ass?? :idea: :idea:
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Unread postAuthor: jsefcik » Wed Jul 18, 2012 8:41 am

mattyzip77 wrote:Your ass?? :idea: :idea:



your gonna get it, when i finally meet you
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Unread postAuthor: evanmcorleytv » Wed Jul 18, 2012 8:55 am

mattyzip77 wrote:Look at others cannons and get ideas. But dont copy mine!! :D


We've been messaging back and forth, and that's exactly what I told him.
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Unread postAuthor: mattyzip77 » Wed Jul 18, 2012 12:47 pm

And what did he do??? Make it exacly like mine!! I mean Im sure someone had my chamber before me, but wtf??? Have a mind of your own for christs sake!!
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Unread postAuthor: jsefcik » Wed Jul 18, 2012 2:20 pm

mattyzip77 wrote:And what did he do??? Make it exacly like mine!! I mean Im sure someone had my chamber before me, but wtf??? Have a mind of your own for christs sake!!


i didnt send you pics of what else i did to it
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Re: New cannon Design Help=)

Unread postAuthor: MrCrowley » Wed Jul 18, 2012 4:12 pm

jsefcik wrote:ideas/opinions/thoughts???

GGDT.

A 2" chamber will be fine, use GGDT to determine how long it should be. I would think 3' would be enough.

mattyzip77 wrote:And what did he do??? Make it exacly like mine!! I mean Im sure someone had my chamber before me, but wtf??? Have a mind of your own for christs sake!!
It's only a PVC chamber, not really much you can do with them other people haven't. Besides, anyone who has a straight over-under design is surely copying someone from 25 years ago :lol:

I've had heaps of people copy my SGA and VAL chamber designs but I hardly think they're that original or that I should have some 'owndership' over them :wink:
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