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Mitcho's old idea revamped.... (Now with damage pics)

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: wannabie » Tue Jul 03, 2007 6:02 pm

Mitchza89 wrote:Come to think of it. You will need a large piece of poly...Like 40mm but I dont think it comes in that size... Dang... Hmm...


well i have seen 2" peices at the pump house and if 1" is 25mm well 2" should be 50mm. Some how that doesnt sound right...
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Unread postAuthor: nicbaz » Tue Jul 03, 2007 6:27 pm

a 60 cm 1" chamber would be big enough for and 80cm 3/4" barrel

80" Squared and 73" Squared respectivly
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Unread postAuthor: Mitchza89 » Tue Jul 03, 2007 6:33 pm

Yeah that should work pretty well.
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Unread postAuthor: nicbaz » Wed Jul 04, 2007 4:10 am

okay iv made 1 it has 70cm 3/4" barrel, 60cm 1" chamber, 3/4" ball valve!!

Wat would b good ammo 4 it?
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Unread postAuthor: wannabie » Wed Jul 04, 2007 4:14 am

Marbles the are teh Best
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Unread postAuthor: nicbaz » Wed Jul 04, 2007 4:15 am

anythign else lol, i don't have any marballs
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Unread postAuthor: nicbaz » Wed Jul 04, 2007 4:22 am

this is a paint thing of it Image
Shot at 2007-07-04
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Unread postAuthor: wannabie » Wed Jul 04, 2007 4:23 am

lol how can you not have marbles they dont cost much. oh well im not sure what else you could use.

oh yeah nice drawing of a ball valve lol
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Unread postAuthor: Mitchza89 » Wed Jul 04, 2007 4:28 am

Hey mate, thats a good looking design you got there! You can get a bag of 100 marbles from shops like crazy clarks for dollars and cents for 2 bucks a bag. When it comes to ammo, you just can't beat em. I've got about 1200 marbles lying around my shed haha.
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Unread postAuthor: nicbaz » Wed Jul 04, 2007 6:38 am

lol good on ya m8, i made a sort of shotgun shell thigy out of a magazine page, and filled it with rocks, shot a fair sized hole in a piece of cardboard

shot a bolt through a 1/4" bit of wood also :D
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Unread postAuthor: wannabie » Wed Jul 04, 2007 6:52 am

Hey Mitchza when you getting the pull pin valve up and running? ive been wting for age's lol
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Unread postAuthor: Mitchza89 » Wed Jul 04, 2007 6:59 am

Haha sorry to keep ya waiting :P. I've had alot of bills and things I've had to pay off lately but it should be up and running very, very soon. I've just gotta get 5in of 1in poly pipe and I'm done. :D
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Unread postAuthor: sniperjosh » Thu Jul 05, 2007 8:15 pm

what u firing? marbles? ball bearings? what calibre are they?
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Unread postAuthor: Mitchza89 » Thu Jul 05, 2007 8:30 pm

Yeah mainly marbles and the occassional fishing sinker mate. The marbles are 16mm and the sinkers I fire are about 14mm or so.
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Unread postAuthor: spud yeti » Wed Jul 11, 2007 9:40 am

How much more does the sinker kick than the marble?
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really good quote/phrase here
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