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My First Pneumatic Cannon "Blue Thunder"

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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Do you think this is a good first pneumatic??

Hell Yes
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Its o.k.
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Total votes : 3
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My First Pneumatic Cannon "Blue Thunder"

Unread postAuthor: mattyzip77 » Fri Jul 08, 2011 4:23 pm

SPECS:
3" double detachable chamber,12" inch and 24" inch
3/4" inch pvc valve for safety, traveling, and bike pump filling
1" inch modified rainbird sprinkler valve with ball valve safety
200 p.s.i air gauge
schrader filling valves
28" inch X 1" inch barrel
All pvc and fittings are schedule 40

I have been working on this cannon for about 3 weeks now. When I first started, everything was going good, until I got around to modding the sprinkler valve. I had the wrong one. It was a rainbird 1 inch cpf 100 rather than the normal cp 100. The difference was flow control. I tried everything under the sun to get this valve to work, including throwing it against the wall a few times and swearing at it numerous times! I finally broke down and got the right valve and put it together today!
The first time I shot it, I was like holy f#$%ing s#%t!!! I got well over 200 yards with just a potato. It has a pretty good bang to it as well. I have brought it up to about 110 p.s.i because thats all I can get outta my compressor. I want to try to double that in the future. I have to re-paint it still and put a few more finishing touches. Please let me know what you think for a noob!! I will try to post some damage pics soon and when I make a few more different size barrels. Hope you like it!![img]
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Unread postAuthor: streetfire » Fri Jul 08, 2011 4:25 pm

sounds good but some pics would be nice
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Unread postAuthor: mattyzip77 » Fri Jul 08, 2011 4:55 pm

I'm trying to do that now. I thought I did, but apparently not. I cant get them to post from my camera. Any suggestions??
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Unread postAuthor: Gun Freak » Fri Jul 08, 2011 5:27 pm

I have a suggestion... Don't double 110 psi in a PVC cannon especially with a sprinkler valve on it. 220 psi is just over the limit.
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Unread postAuthor: mattyzip77 » Sat Jul 09, 2011 12:05 am

http://youtu.be/C0-Nk1s32wY

you can see pics of my cannon at this link!
please share your comments and criticisms!
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Unread postAuthor: jackssmirkingrevenge » Sat Jul 09, 2011 12:40 am

Nice effort for a first cannon, one thing though, your chamber is far too big. I'm sure you could make it half the size and you will not see a difference in power, but it will make it easier to pump up and quieter too. You might have to change the name to "Blue Distant Thunder" ;)
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Unread postAuthor: mattyzip77 » Sat Jul 09, 2011 12:07 pm

I dont get it, "blue distant thunder??" could you elaborate? Also the chamber is interchangeable, there are 2 in one if you looked at the pics and descriptions. I first started with the smaller 12 inch one, but it didnt have poop for power, which is why I added the 2nd one on. Any other suggestions to make it better? And thank you for commenting!
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Unread postAuthor: jackssmirkingrevenge » Sat Jul 09, 2011 12:41 pm

Ah, I hadn't noticed the two part chamber. Nice.

I mean "distant thunder" as in it would be quieter, so no longer actually "thunder".
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Unread postAuthor: streetfire » Sat Jul 09, 2011 5:34 pm

for pics upload to a program like photobucket.com you can upload from your computer and get links img direct link etc

i use it and havent had any problems with it
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Unread postAuthor: mattyzip77 » Sat Jul 09, 2011 6:23 pm

I tried photo bucket and it didnt work. I tried a hundred times and they wouldnt upload :cry:
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Unread postAuthor: saefroch » Sat Jul 09, 2011 8:06 pm

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Unread postAuthor: Technician1002 » Sat Jul 09, 2011 9:59 pm

If you crop photos to a smallish size to meet the filesize limits of Spudfiles, you can edit a post and add photos by using the add file button below.
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Used the Edit button than below the edit window used the Add an Attachment section to browse to this photo and add it.
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Unread postAuthor: mattyzip77 » Sat Jul 16, 2011 12:27 pm

wow, my cannon must suck, hardly no comments!!! wtf???
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Unread postAuthor: saefroch » Sat Jul 16, 2011 3:53 pm

It doesn't suck, the showcase submission is just somewhat incomplete. No pictures, videos, GGDT simulations... etc.
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Unread postAuthor: mattyzip77 » Mon Jul 18, 2011 7:50 pm

Today I put a 1 inch super marble through my neighbors fence measured 40 feet away. I did this at 80 psi with a 1 inch barrel with said cannon blue thunder. It blew a chunk of the piket right off!! :lol: :wink:

with my neighbors permission of course!!!
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