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.40 Cal

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: bubblebathman » Wed Sep 28, 2005 12:18 pm

WAT THE preasure pump :oops: :roll: WEAAAK DUDE just do something :twisted: :twisted: :oops:
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Unread postAuthor: julz » Sat Oct 01, 2005 1:33 am

rna: you can get them, you would just have to look in the right place, trust me, i've seen them berorf, at bunnings warehouse i think
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Unread postAuthor: Cronic » Tue Oct 25, 2005 3:01 pm

Man, be creative you can use a waterhose blowgun or a paintspray blowgun (the one they use in car shops for painting cars). I'f a blow gun is the thing i think it is (the little metal trigger connected to the gun with some hose) If that's not it I apologise for my "advice"
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Unread postAuthor: boilingleadbath » Wed Oct 26, 2005 3:28 pm

If you are refering to rna_duelers, he means the random bit of small bore tubing, not the valve.
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Unread postAuthor: Aaron ????? » Tue Nov 15, 2005 8:08 am

nice gun :D i think ill make a copy of that gun with the ball valve breech loader

and also rna_duelers im from australia too if your looking for metal tubing around that size have a look at a hobby shop they sell every size from 1mm to around 15mm in aluminium or brass i bought some for my bbmg barrel
the good thing is you can also buy the next sixe up (which fits over it perfectly) and sleeve it for added strength.
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Unread postAuthor: stacey_05 » Tue Nov 29, 2005 8:31 pm

tahnx for the info im an aussie to and cant seem to find any thing for a blow gun plus would it be a wise idea to put a bore down the pipe or jus leave it smooth bore plus how much psi can you fit into your tank nice gun
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Unread postAuthor: boilingleadbath » Wed Nov 30, 2005 4:51 pm

Can't find blowgun stuff | copper pipe, small bore PVC, the list goes on...
Rifling | blowgun darts are fin-stabilized, so rifling is un-neccesary.
Pressure | 1" sch 40 PVC is rated for 450 psi, but the valve is only rated for 125, so that's the (safe) limmet.
How many psi | I'm see this from a lot of posters... PSI is a unit of measure - would you ask "how many feet can you put in your height?"? Didn't think so... the word is <i>pressure</i>.
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Unread postAuthor: darkpyro » Wed Dec 14, 2005 6:52 pm

i find that it is cheaper to get the aluminium from bunnings or some place like that i live in australia to you cant get any thing around here
:(
unless you look really really hard
or buy it on ebay :D
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Unread postAuthor: ChickenChucker » Tue Feb 14, 2006 2:26 pm

Gives me an idea :idea: ...

.40cal vortex MG!!! :twisted:
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Unread postAuthor: CS » Tue Feb 14, 2006 8:40 pm

Your going to need a huge fricken' air compressor! LOL. I hope your talking about a spherical ammo, because a vortex design only works on spherically shaped projectiles. I dont know why your so exicted...
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Unread postAuthor: ChickenChucker » Tue Feb 14, 2006 8:45 pm

Yeah spherical ammo, and yes mine is huge(air compressor). Maybe a regulated scuba tank for power with the vortex machined out of steel.
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Unread postAuthor: boilingleadbath » Tue Feb 14, 2006 11:35 pm

DR of the spudtech forums has done a 14mm barreled cloud chamber design. Fed it directly from a large tank via a 1/2" or 3/4" ball valve.
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Unread postAuthor: A-98 » Wed May 17, 2006 6:36 pm

how good is the aiming....i want to make one but im not sure if i should make it like that or with a tube setup
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Unread postAuthor: zeigs spud » Thu Oct 05, 2006 5:01 am

syco kilaa wrote:nah, I think that the barrel is fine a length as it is right now, I really reallly like the fact that you stuck the barrel into the tee leg, this allows the barrel to be pressed against the chamber making a better cleaner look.

Yess lol
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Unread postAuthor: s18022 » Mon Oct 09, 2006 9:11 pm

I wouldent use cans for targets you wil shot right through them and hit something. but it is a cool gun but you could use a bigger barrel.
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