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Co2 Powered Bazzooka

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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Co2 Powered Bazzooka

Unread postAuthor: turbohacker » Mon Mar 26, 2007 11:17 pm

http://www.spudfiles.com/thumb_upload/p ... Thumb1.jpg
This is a cannon that I designed for my school to fire t shirts into the crowd at football games. It is powered by a 20oz Co2 tank for paintball guns that I adapted into a large C02 tank regulator (inside the resivior) that was originally used for a soft drink system.it is not quite finished yet but will be in a week or so.
Im going to paint it school colors and probably fill in the seams with some bondo Ultimately I would like to make a catridge system and sell it as a paint ball tank gun. any suggestions?
Sorry about the pic i cant figure it out it says expected gif got jpg :(
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Last edited by turbohacker on Tue Mar 27, 2007 9:22 am, edited 1 time in total.
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Unread postAuthor: A-98 » Mon Mar 26, 2007 11:33 pm

make the pic way bigger, i cant see anything.

once thats done ill give you my feedback.
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Unread postAuthor: keep_it_real » Mon Mar 26, 2007 11:33 pm

It sounds pretty cool but you need a bigger picture. what stops all the co2 from leaving the 20 oz tank? Is that sprinkler valve?
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Unread postAuthor: c19o » Mon Mar 26, 2007 11:42 pm

Nice. I don't know about filling the seams with bondo. I think it could like crack and fall off, or get loose. But I have no experience with bondo so what do I know. Hope it works good!

By the way where did you get the regulator, and how much did it cost? I haven't yet seen a regulator for 20 oz paintball tanks that was meant for soft drinks.
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Unread postAuthor: A-98 » Tue Mar 27, 2007 12:33 am

well, they have regulators that are used for kegs, so maybe its something like that.
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Unread postAuthor: c19o » Tue Mar 27, 2007 12:37 am

Gort told me that the keg regulators wont work for 20oz paint ball tanks, so I'm really curious about a regulator like that. I want a keg regulator because they're cheaper than the $50 to $80 regulators. Theres one called a "Rock" and then a Rock thats small and cheaper than a regular rock.
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Unread postAuthor: turbohacker » Tue Mar 27, 2007 9:19 am

the regulator is one for larger Co2 tanks that had 1/8 inch inlets (once the other fitings were removed) I just adapted that to the paintball tank using a paintball refill kit.($20 at paintball store)
Here is the reg (I took off the gauges after setting it)
http://www.micromatic.com/draft-keg-beer/gas-equipment-pid-942.html
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Unread postAuthor: Orpackrat » Tue Mar 27, 2007 3:40 pm

If you are going to use it to sell for paintball here are some ?'s.

1. How heavy is it?
2. How long is it?
3. How many shots per tank?
4. How much would it cost to buy (parts to build and buy from you)?
5. How quickly can you get 2 shots off?
6. How comfortable is it to carry?
7. What size is the barrel?
8. How far will it shoot: 20+ paintballs, foam finned football, 7oz paintball grenade?
9. Does it require a special kind of packing to fire?

etc.
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Unread postAuthor: lukemc » Tue Mar 27, 2007 4:16 pm

ok Orpackrat i think i can help with those questions... the answer is 42
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Unread postAuthor: crazyfreak0075 » Tue Mar 27, 2007 4:19 pm

OH man for some reason i just like Hitchhikers guide man im reading all of them now. I hate the movie though. :twisted:
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Unread postAuthor: lukemc » Tue Mar 27, 2007 5:23 pm

i hate to get off topic on this post buy GO HItCKHIKERS GUIDE!!!!!

....ummm nice gun
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Unread postAuthor: imablackskater » Tue Mar 27, 2007 7:17 pm

dude i have the mega book it is all of the books put in one defrenitly read restaurant at the end of the universe.

to be on topic nice gun but i would not buy it no offense
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Unread postAuthor: c19o » Tue Mar 27, 2007 8:06 pm

I still don't get how you connect the fill station to the gun.
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Unread postAuthor: turbohacker » Tue Mar 27, 2007 11:40 pm

To answer your question,
about 12 pounds
4 feet
+-40 shots
together about $180 parts$100
once bolt is finished about 8-12 seconds (i have a similar gun with this bolt design)
It will have a strap soon but i may add some padding to improve comfort
the barrel is two inch but can be changed to 2.5
I will have to get some more testing in but now at 80psi it will shoot a t shirt about 250
their is no packing for the nerfball or t shirt, special cartridges are used for the paintballs


The fill station is part of the gun used to attach the Co2 tank to the regulator
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Unread postAuthor: Scope » Wed Mar 28, 2007 6:04 pm

whoa there dont use a "rock" regulator... thats specially for paintball.. it makes low pressure to even lower pressure...

use a plamers female regulator... low pressure and a low pressure guage
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