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Pnuematic marble 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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Pnuematic marble cannon

Unread postAuthor: Jedwards » Sun Dec 03, 2006 4:18 am

This is my FIRST pneumatic gun it works pretty good but i havnt got any damage pics yet. The sprinkler valve used to leak but i some how stopped it i just dunno how.

The chamber is 40X500mm.
The sprinkler valve is 1 inch modded pope valve i think.
The stock is made from 20mm pvc and is blocked off at the T. (with $1 coins)

My first pneumatic so suggestions welcome.
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Attachments
01Gun with barrels.JPG
The gun with my 3 interchangeable barrels.
02trigger with s valve.JPG
The trigger and the sprinkler valve. Its only zip tied on but its sturdy.
03Holding.JPG
Me and my gun.
04aiming at tv.JPG
Down the barrel. (I didn't shoot the T.V.)
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Unread postAuthor: killagorrila99 » Sun Dec 03, 2006 4:21 am

Lol nice! but move the chamber up a bit, it'll help performance.
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Unread postAuthor: rna_duelers » Sun Dec 03, 2006 4:35 am

Nice set up.And yes that is a pope valve.

You people and putting your blow guns on the side tsk tsk.

Why is the chamber so far from the barrel may I ask?
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Unread postAuthor: killagorrila99 » Sun Dec 03, 2006 4:36 am

Aww c'mon john, Cut him a break its his first pneu.
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Unread postAuthor: Jedwards » Sun Dec 03, 2006 5:37 am

I seperated the barrel and the chamber that far so that the trigger would fit in where it is. And also i didn't know that that made a diference in peformance.
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Unread postAuthor: experament_u2 » Sun Dec 03, 2006 7:53 am

nice gun J i like the blow gun how much was it and wat are u using for the barel?

oh and put ur shirt bak on :o
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Unread postAuthor: Slugfoot » Sun Dec 03, 2006 2:10 pm

Nice first build. Hope you enjoy using it.
It should give you a nice break from all that cricket. :lol:.......(the bat, the telly).

Would I be right in thinking the blowgun is off a sprayer?
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Unread postAuthor: Jedwards » Sun Dec 03, 2006 10:56 pm

na its just a blowgun from bunnings. Cost was $13 but it came with the pressure gauge as well so i thought it was a bargin!
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Unread postAuthor: experament_u2 » Sun Dec 03, 2006 11:28 pm

and what did you use for ure barel ? i want to get some :lol:
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Unread postAuthor: killagorrila99 » Mon Dec 04, 2006 1:29 am

The first 2 are pvc, The 3rd is silver coated copper piping and its also $50 a metre where I live!
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Unread postAuthor: john bolton » Mon Dec 04, 2006 3:02 am

is only $20 from bunnings, mitre 10 sucks more balls than mardi gra.
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Unread postAuthor: Jedwards » Mon Dec 04, 2006 3:58 am

Na its umm a shower rod from bunnings.
it costs around 7 bucks but i got one off my dad for free. It fits marbles pretty good! :)
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Unread postAuthor: jrrdw » Mon Dec 04, 2006 6:10 am

Shower curtin rod!....I LIKE IT!! Useing whats available to make it work, thats good thinking, McGuiver!
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Unread postAuthor: 666lucky693 » Mon Dec 04, 2006 6:24 am

Thats a very creative pnuematic. better than my first gun
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Unread postAuthor: Jedwards » Mon Dec 04, 2006 7:35 am

im thinking of making a simpler one with the chamber sprinkler valve and barrel all in one line would it be more powerfull if my chamber was 50mm and around 350-450 mm long?
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