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3rd piston gun Big Blue

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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3rd piston gun Big Blue

Unread postAuthor: elitesniper » Sat Feb 16, 2008 6:36 pm

This may looks exactly like my second gun but its just another one i made a little bigger though, I made this one for my dad so he can shoot too :D the barrel is 6 feetlong 1.5 bore, chamber is 40 inches long 2''. What do you guys think?
[youtube]http://www.youtube.com/watch?v=BF5_Sky5cis[/youtube]
[youtube]http://youtube.com/watch?v=H5vio1mm60w[/youtube]
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side3pistonblue.JPG
wholeside3.JPG
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1/2'' wood with potatoes
Last edited by elitesniper on Sun Mar 23, 2008 8:01 pm, edited 5 times in total.
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Unread postAuthor: Velocity » Sat Feb 16, 2008 6:42 pm

Looks great, I like the blue paintjob. It might be nice to paint the barrel.
How is the power?
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Re: 3 piston gun Big Blue

Unread postAuthor: MrCrowley » Sat Feb 16, 2008 6:43 pm

elitesniper wrote:This may looks exactly like my second gun but its just another one i made a little bigger though, I made this one for my dad so he can shoot too :D the barrel is 4.5 inches long 1.5 bore chamber is 37 inches long 2''. What do you guys think?


Hehe :)

Nice job again, I wish I could build so many cannons, cost me $40NZD for 6' of 2" pipe yesterday, about $30USD :(
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Unread postAuthor: elitesniper » Sat Feb 16, 2008 6:43 pm

Hmm, power is decent look at the first picture :shock:, whoa 30usd for 2'' pipe? thats insane, here its only 7 usd for 10'' of 2''
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Unread postAuthor: Thursto » Sat Feb 16, 2008 6:49 pm

Wow i must sayi love your cannons, they just keep coming along nicely!!

Now for some carnage videos of a father and son shooting day :twisted:
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Re: 3 piston gun Big Blue

Unread postAuthor: pizlo » Sat Feb 16, 2008 6:55 pm

MrCrowley wrote:Nice job again, I wish I could build so many cannons, cost me $40NZD for 6' of 2" pipe yesterday, about $30USD :(

Man I pity you, I can get 10' of 2 inch for about 7 bucks.
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Unread postAuthor: Thursto » Sat Feb 16, 2008 6:58 pm

Wow that really does sck, i pay about 5 bucks a metre which is reasonable, maybe i could send some over to NZ but shipping would probs make up the rest. who knows.
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Unread postAuthor: elitesniper » Sat Feb 16, 2008 7:12 pm

im making a vid right now as we speak, MrC if pipes cost that much how much are fittings? :shock:
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Unread postAuthor: MrCrowley » Sat Feb 16, 2008 7:18 pm

About $10USD for 2". $30USD a pop for 4" :(


Any way didn't mean to hijack your thread. Can't wait for the video :)
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Unread postAuthor: elitesniper » Sat Feb 16, 2008 7:20 pm

haha, dam youtube is craping on me right now :evil:
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Unread postAuthor: bigbob12345 » Sat Feb 16, 2008 7:27 pm

MrCrowley wrote:About $10USD for 2". $30USD a pop for 4" :(


Oh my god I feel bad for you here it is 1usd for the average 2in fitting.

Elitesniper:Very nice cannon as others have said the paint job is really nice.
Cant wait for that vid.
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Unread postAuthor: elitesniper » Sat Feb 16, 2008 7:57 pm

here ya go guy the video you requested :lol:
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Unread postAuthor: rde4321 » Mon Feb 18, 2008 12:57 am

What are your pistons made out of?
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Unread postAuthor: jackssmirkingrevenge » Mon Feb 18, 2008 1:10 am

You should specify "3 inch" piston in the title, I was expecting to see a triple piston valve :D

nicely done and it looks to have good power potential at higher pressures, doesn's sound too loud at 60psi either.
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Unread postAuthor: elitesniper » Mon Feb 18, 2008 12:31 pm

thanks jsr i meant to put 3rd piston valve, haha, well the camera didnt catch it but its a little louder then in the video, powers pretty good. The piston is a 1.25 inch coupling.
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