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Piston in copper and brass updated 05/03/08 Damage pics

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: Gippeto » Sun Mar 09, 2008 12:44 am

Ant, glad to be of service. Looking forward to seeing whatever you build next.

Thanks Nova. It's going to be interesting to compare a "standard" piston with a "hammer-piston". Will post the results when I have them.


Jon, the piston is a floating o-ring type machined from nylon.

Spud, did you unzip the two files from microsoft website? Make sure everything goes into the same folder. I don't know what else to suggest, it worked for me right off. It's a great tool!
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Unread postAuthor: Antonio » Sun Mar 09, 2008 6:32 am

Thnx crowley and nova, I think I understand how they work now, 100% lol. I think I gotta start looking at it as its fairly simple and very effective. Gippeto thnx for the inspiration
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Unread postAuthor: Mitchza89 » Mon Mar 10, 2008 11:52 pm

Well Gippeto, looks like your able to start using your pump :D Very nice looking gun mate. I look foward to seeing damage pics!
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Unread postAuthor: Gippeto » Mon Mar 10, 2008 11:57 pm

Soon.... very soon! (rubs hands together in anticipation) :lol:


Thanks, and back at ya!
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Unread postAuthor: Sergeant Dotson » Wed Apr 23, 2008 4:16 pm

:shock: .... My new favorite f*cking gun on the entire f*cking site.
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Unread postAuthor: Gippeto » Wed Apr 23, 2008 11:50 pm

In my very best "Elvis";

Uhh, thank you...thank you very much! :lol:
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Unread postAuthor: microman171 » Sat Aug 23, 2008 7:28 am

So do you pay for all of the steel etc you use, or do you get that along with the tools for free from your place of work? The guns you construct are awsome! I wish I had the tools and skills to machine like that! You need to use spud in you cannons just so you can call them spud guns thought...
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Last edited by microman171 on Sun Aug 24, 2008 3:57 am, edited 1 time in total.

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Unread postAuthor: jonnyboy » Sat Aug 23, 2008 8:36 am

Very nice gippeto :) .You always have excellent work. I love the damage picture from the plywood.
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Unread postAuthor: Gippeto » Sun Aug 24, 2008 1:54 pm

Thank you for the compliments. :)

@ microman;

I purchase the bulk of my materials. I do use scraps from work sometimes. And, sometimes, my scraps get used for work, so it evens out.

Although I get the use of the machines at work, I do provide my own tooling. (lathe cutters, mill bits and drill bits etc.)
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Unread postAuthor: microman171 » Tue Aug 26, 2008 3:28 am

Ah kewl. I guess having a fabrication type place of work help you to get contacts. Still, must be cheaper than paying for the lot? And having high quality machines must help. Great work by the way. Keep it up!
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Unread postAuthor: lambey108 » Fri Sep 26, 2008 6:00 am

that is one sweet gun get up the good effet :wink:
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Unread postAuthor: tyrant_bb » Sun Sep 28, 2008 9:39 pm

Very...very nice.
Question , to have the piston seal against the barrel, how did you fit the copper through the tee? Same way as if it was PVC? (dremeling out the lip)?
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Unread postAuthor: Gippeto » Mon Sep 29, 2008 2:32 pm

That's right. :)

Well, ok, I used a half round pin file, and cutting fluid, but that's semantics isn't it? :)
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Unread postAuthor: ckman » Fri Oct 10, 2008 11:08 pm

very nice very clean is it heavy at all?
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Unread postAuthor: Gippeto » Fri Oct 10, 2008 11:55 pm

Thanks, it's pretty light, it weighs about four pounds.
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