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Double tank 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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Double tank cannon

Unread postAuthor: brplatz » Fri Mar 21, 2008 12:35 am

This is an updated version of an old gun. not sure how far it shoots but two tanks at 100 psi. each 2" by 19" and a 1" solenoid valve. should shoot pretty far, hopefully. kinda reminds me of the covenant carbine(for all the halo guys).

http://i284.photobucket.com/albums/ll32/brplatz/IMG_0974.jpghttp://i284.photobucket.com/albums/ll32/brplatz/IMG_0973.jpg

here some videos

[youtube]http://www.youtube.com/watch?v=OXFIiRymwbc[/youtube]
[youtube]http://www.youtube.com/watch?v=fvl_86EiYmE&feature=user[/youtube]
[youtube]http://www.youtube.com/watch?v=PmtWqSIq7zM[/youtube]

last one is kinda cool, it surprised me. i had no idea that bolt would give that kinda kick
[youtube]http://www.youtube.com/watch?v=gwkiFdqHHfc[/youtube]
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Last edited by brplatz on Fri Mar 21, 2008 11:32 pm, edited 2 times in total.
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Unread postAuthor: jook13 » Fri Mar 21, 2008 12:38 am

looks like it makes a loud boom. I would bet money that a longer barrel would make it more powerfull.
Even with all the primer stains, looks fun to shoot.
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Unread postAuthor: brplatz » Fri Mar 21, 2008 12:42 am

yah i want to get a longer one. my friend who helped me said that he has a long 1" PVC so i will go get that tomorrow. BTW "C" cell batteries work amazing in 1" tube :-)

also is someone available to explain how to do the modification to the solenoid. with the valve like this one.

http://www.spudfiles.com/forums/files/p1010083_430.jpg
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Unread postAuthor: jook13 » Fri Mar 21, 2008 1:00 am

the valve modification is easy. just search the forums and you will come across something like this:

http://www.spudfiles.com/forums/modding ... -t305.html

batteries do make awesome ammo. I have a half inch barrel that fits AA batteries perfectly and they do some awesome damage.
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Unread postAuthor: pizlo » Fri Mar 21, 2008 9:53 am

Yeah, I put a c with a few layers of tape a few hundred yards down my street. My neighbors are so damn oblivious to loud noises!
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Unread postAuthor: STHORNE » Fri Mar 21, 2008 10:02 am

job well done.

yes, a longer barrel would do you wonders, and a paint job wouldn't hurt either 8)
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Unread postAuthor: brplatz » Fri Mar 21, 2008 10:31 am

cool, so i will put a longer barrel on it. i think that will make it balance better with the two tanks.

on the solenoid mod, in the instructions it has a metal 90 degree tube fitting. could i just put a valve right there?

thanks for the replys more pics soon
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Unread postAuthor: brplatz » Fri Mar 21, 2008 1:07 pm

so i got a new barrel, but not sure how long to make it. also i think i am going to do that solenoid mod to make it faster.
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Unread postAuthor: BrianMigs » Fri Mar 21, 2008 1:15 pm

My friend is coming up with a design quite like yours, but with 3 chambers, and a ball valve on each, not for firing, but so he can use multiple shots, i.e. close 2 open 1 and shoot, then close the one that you fired, open a closed one, and leave the other the same as it was.
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Unread postAuthor: brother361 » Fri Mar 21, 2008 4:16 pm

lol woo hoooooooooooo halo
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Unread postAuthor: brplatz » Fri Mar 21, 2008 6:40 pm

ok so it was full and my friend dropped it on the lower tank and the lower tank came right off with a loud BAM! I think i will just make a new one now.

maybe 4" tank and multiple large barrels
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