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my new 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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my new cannon

Unread postAuthor: 666lucky693 » Sat Jun 30, 2007 3:18 pm

this is my second pneumatic cannon its made out of a 20oz soda bottle a shrader valve an aluminum barrel and a ball valve from a hose
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barrel on gun.jpg
barrel.jpg
the inside of the barrel
damage.jpg
this is the damage it can do first is a paintball second is a marble and third is a metal marble all shot at 110psi
gun and damage.jpg
valve.jpg
pic of the valve on the soda bottle. the bottle is covered in black tape
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666lucky693
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Unread postAuthor: spud yeti » Sat Jun 30, 2007 3:26 pm

That looks like a mighty fine cannon! :lol: I like the all black look too. Is it just the ball valve that releases the air?

First post! :D
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really good quote/phrase here
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Unread postAuthor: potatoflinger » Sat Jun 30, 2007 4:57 pm

That's a pretty good looking gun.
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Unread postAuthor: TwitchTheAussie » Sat Jun 30, 2007 6:37 pm

Thats really nice mate. Keep up the good work.
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Unread postAuthor: 666lucky693 » Sat Jun 30, 2007 7:42 pm

i updated the chamber size from 20oz to 24oz it has alot more power

Merged:

i upgraded it again by using a o ring to seal the breech it improved the distance greatly now u cant even see the paint ball when it goes



Mod Note: Please Don't Double Post, You Already Have Been Told.
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Unread postAuthor: Mitchza89 » Sun Jul 01, 2007 3:19 am

Great cannon, ya just can't beat simplicity!

Best of luck,

Mitch.
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Unread postAuthor: spud yeti » Sun Jul 01, 2007 3:25 am

now u cant even see the paint ball when it goes

That sounds awesome, maybe you could try get some chrony results for us?? +- how far is it shooting then?
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Unread postAuthor: 666lucky693 » Sun Jul 01, 2007 10:41 am

well i dont have a chrony but i shot it in my basement 30 feet and it was as soon as i opened the valve and a paintball goes farther than i can see it
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Unread postAuthor: Spuddin » Sun Jul 01, 2007 10:58 am

wow u can put 110 psi in a soda bottle? i always wondered what a safe pressure they could hold. btw i like that tape job, looks like a nice canon! :)
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Unread postAuthor: 666lucky693 » Sun Jul 01, 2007 11:07 am

yea i read on here some where that 110 is the safe pressure and at 120 the bottle should explode i accadently took it to 120 once and nothing happend so sum times i put it up to 115
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here are the updated pics

Unread postAuthor: 666lucky693 » Sun Jul 01, 2007 11:14 am

here is what i did to it
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Attachments
center joint.jpg
where it joins to the valve
new chamber.jpg
new chamber
new chamber.jpg (31.36 KiB) Viewed 788 times
valve closed.jpg
valve closed
valve opened.jpg
valve opened
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Unread postAuthor: spud yeti » Sun Jul 01, 2007 11:56 am

nice new pictures! What size metal barrel are you using???? Im looking for a good size at the moment.
btw, your socks dont HAVE to be in the picture do they!? :lol:
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Unread postAuthor: 666lucky693 » Sun Jul 01, 2007 12:17 pm

my barrel is a hose attachment thing thats used to water flowers i cut the bend off it to use it as a barrel its aluminum bout the size of a paint ball i just got done testing nail ammo i made for it it rules it goes through 3 aluminum soda cans
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Unread postAuthor: sandman » Sun Jul 01, 2007 2:25 pm

ok, a moderator already told you twice not to double post
do you not know about the edit button?

anyway mythbusters took a pop bottle to bout 150 psi before it exploded so the pressures that you are using should be fine
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Unread postAuthor: 666lucky693 » Sun Jul 01, 2007 3:09 pm

o thanks for telling me bout the pressure thand and i forgot bout the edit button
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