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BFG 9000

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: woffer5698 » Sun Sep 02, 2007 6:28 pm

Image

I think i can handle the recoil...
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Unread postAuthor: VH_man » Sun Sep 02, 2007 7:33 pm

AAAHH the chamber is DWV!!!

lol. just dont drop it and you will be FINE....

that really IS one Big-ass cannon. i want something with a motherload of kick, youve inspired me............
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Unread postAuthor: woffer5698 » Sun Sep 02, 2007 7:37 pm

na the chamber isnt dwv, it just says it on there. theres a 220 psi rating right next to it.
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Unread postAuthor: jackssmirkingrevenge » Sun Sep 02, 2007 10:25 pm

woffer5698 wrote:I think i can handle the recoil...


We saw that in the video, now fill your bean cans with concrete then get back to us ;)
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Unread postAuthor: woffer5698 » Fri Oct 19, 2007 1:42 pm

New pictures up, check it out.
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Unread postAuthor: LikimysCrotchus5 » Fri Oct 19, 2007 2:37 pm

Nice how much experience do you have with air cannons. If its a first, then it is really quite impressive. I still havent built anything that powerful :(
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Unread postAuthor: mtronic » Fri Oct 19, 2007 6:27 pm

mother of god... I looked at the pics on the first page before the video and I was like meh so? and then I saw the vid......Now I want to build one :twisted: maybe some kind of handle or turret will make it easier to fire?
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Unread postAuthor: woffer5698 » Sat Oct 20, 2007 10:52 am

mtronic wrote: maybe some kind of handle or turret will make it easier to fire?


i dunno about a turret, because i love the trill of shooting it, but yeah i defiantly want to make a handle for it and have it look more aesthetically pleasing. anyone have any ideas? i was thinking about maybe something like joel's tee shirt launchers.
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Unread postAuthor: ammosmoke » Sat Oct 20, 2007 1:56 pm

How did you get that 3" sprinkler valve!?!! How much did it cost!? The biggest I have ever seen is 2"!
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<img>http://www.speedtest.net/result/309559995.png</img>
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Unread postAuthor: woffer5698 » Sat Oct 20, 2007 3:24 pm

It cost me 60 dollars on ebay. i also bought the pilot 3/4'' qev on ebay for 5.
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Unread postAuthor: veginator » Sat Oct 20, 2007 4:20 pm

woffer5698 wrote:It cost me 60 dollars on ebay. i also bought the pilot 3/4'' qev on ebay for 5.

If I were you I would pilot it with something much bigger like a 2inch ball valve.

WOOT 150 posts :wav: :occasion4: :rr: :blob:
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Unread postAuthor: PVC Arsenal 17 » Sat Oct 20, 2007 5:03 pm

veginator wrote:
woffer5698 wrote:It cost me 60 dollars on ebay. i also bought the pilot 3/4'' qev on ebay for 5.

If I were you I would pilot it with something much bigger like a 2inch ball valve.

WOOT 150 posts :wav: :occasion4: :rr: :blob:


Not at all necessary.

I'm piloting a 2" sprinkler with a 3/8" ball valve and it works just fine.
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Unread postAuthor: ammosmoke » Sat Oct 20, 2007 5:58 pm

I'm pretty pretty sure a 3/4" QEV can vent quicker than a 2" ballvalve.
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<img>http://www.speedtest.net/result/309559995.png</img>
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Unread postAuthor: Fnord » Sat Oct 20, 2007 7:09 pm

Somehow, the standard "nice gun" reponse doesn't quite cut it here :)

anyone have any ideas?


Here are two ideas if you are looking to add a handle.
You could make these out of bondo or wood, but bondo would be easier because you can form it around the blowgun and tubing.

And no, I don't think you need a bigger pilot valve. The qev seems to work fine.
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Unread postAuthor: windshrike » Sat Oct 20, 2007 7:17 pm

IMO the second one would take out his shoulder.
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