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My Highlighter Gun

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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My Highlighter Gun

Unread postAuthor: jor2daje » Mon Feb 16, 2009 9:38 pm

I saw jsr pen gun and decided I wanted to try my own. The only tubing I had was some .177 bb tube so i fit it inside a pink highlighter. For a piston i cut up a nerf dart, it seals really good. It goes through both sides a soda can. I run it at about 100 psi up to 150.
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Unread postAuthor: rp181 » Mon Feb 16, 2009 9:40 pm

How does a highlighter body hold 150 psi? Ive never heard of pressure rated highlighter's...

Paint it all black, and it would look so much better.
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Unread postAuthor: jor2daje » Mon Feb 16, 2009 9:46 pm

I think the small chamber lets it take higher pressure.
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Unread postAuthor: dudeman508 » Mon Feb 16, 2009 10:12 pm

:x :x :x .....I had that ideal and started one a couple days ago but didn't have all the parts . It is pretty cool thought, do you still have the cap to put over the schrader, you could mod the cap so when you press the cap it lets the pilot air out of the shrader.
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Unread postAuthor: jor2daje » Mon Feb 16, 2009 10:26 pm

Yeah i have the cap, but ill have to sand down the epoxy on the end if i want to put the cap on both sides, Im worried if i sand it too much it might get weak.
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Unread postAuthor: jackssmirkingrevenge » Tue Feb 17, 2009 12:30 am

The marker gun lives :) nicely done. Videos in action?
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Unread postAuthor: inonickname » Tue Feb 17, 2009 2:52 am

Cool..these little menaces are sprouting up everywhere. I'd mind that chamber though, especially seen as it's probably a hard plastic that will shatter rather than split on failure.

Good work though :lol:
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Unread postAuthor: jackssmirkingrevenge » Tue Feb 17, 2009 4:01 am

inonickname wrote:I'd mind that chamber though, especially seen as it's probably a hard plastic that will shatter rather than split on failure


here here,beware teh epic fail!
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