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S.P.A.M

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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S.P.A.M

Unread postAuthor: PCGUY » Sat Feb 05, 2005 6:06 pm

<div align="center">S.P.A.M

Provided By - Leav

S.P.A.M stands for Self-standing Produce Accelerating Mortar.

This was my first cannon, I made it from scrap I had lying around so it has an odd shape...

I had several goals in this project:
-Make a cannon (I really wanted to have one!)
-Make it fast (I wanted to shoot!)
-Make it simple (derived from previous goal)
-Make it powerful -Make it Portable

I met all my goals except the last one, Since i used a very long barrel i needed a bigger chamber (I didnt think of chopping the barrel) so I used the biggest pieces of pipe I had lying around, 4".

The cannon is really heavy, i'd estimate about 15-20 KG so I had to build it in a way that would allow me to use it easily, and since my goal was to shoot far rather than shoot AT things, I glued it in a 45 degrees position. In retrospect I should have made it as flat as I could... shooting AT stuff is more fun...

Overall this is your basic vall valve pneumatic, with a small twist in the form of a weird layout...

However, If youre going to build a heavy cannon, I recommend either this design, or Joel's Mega Launcher.

My friend Broke this gun by breaking off the quick connect adaptor, took me 2 monthes to find the pieces to fix it... the gun is now in working order and is currently used to launch water when it's really frickin' hot...

Provided By - Leav</div>
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Last edited by PCGUY on Sat Mar 11, 2006 1:06 am, edited 1 time in total.
Yes, I am the guy that owns & operates SpudFiles (along with our extremely helpful moderators).
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Unread postAuthor: theexp » Sun Feb 06, 2005 4:21 pm

Love the name of it, looks really nice. Even tho the air running through the frame slows it down a bit. But i like it. You should upgrade the ball valve to a modded sprinkler.
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<img src="http://www.spudfiles.com/uploader/uploadFiles/post-12-1064980630.gif">

My website www.freewebs.com/potato_cannon/
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Unread postAuthor: 3quarters » Fri Sep 16, 2005 10:10 pm

that is sweet i like that design
nice job, dude
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Unread postAuthor: bubblebathman » Mon Oct 03, 2005 12:46 pm

o hello nice cannon and how far and wat does it shoot
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Re: S.P.A.M

Unread postAuthor: CS » Mon Oct 03, 2005 8:04 pm

PCGUY wrote:... the gun is now in working order and is currently used to launch water when it's really frickin' hot...

Do you even read the posts? I know you might of missed that BBM but you've ask a couple of those questions already today when they answered the question in the previous posts. Work on grammar and spelling just a little please, sorry to be so critical.
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Unread postAuthor: mouse kid » Tue Feb 07, 2006 5:32 pm

Neat, very cool pneumatic. It would be awesome if you had a stand for it, you know, one with hinges so you can change its firing angle. 8)
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Unread postAuthor: Atlantis » Sat Mar 25, 2006 11:45 pm

Cannons that are their own stands can be very useful I suppose. You could set it on the ground and run a wire and fire it from a distance, great for parties. Just have your friends throw in whatever and you fire it.
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