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Pellet Gun V2

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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Pellet Gun V2

Unread postAuthor: clemsonguy1125 » Tue Apr 06, 2010 7:03 pm

Heres my second version of the pellet gun I posted earlier. The main improvements are a stock made from thin walled PVC, a larger hole for the valve and the hole closer to the o-ring. This version is slightly more powerful and much easier to aim. So far Ive been able to hit a coke can from 20 feet with ease and have not tested any further. I have a video and will post it as soon as it finishes uploading.
Heres V1.
http://www.spudfiles.com/forums/metal-b ... 20487.html
[youtube]http://www.youtube.com/watch?v=OT_9zuZvpxA[/youtube]
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Unread postAuthor: Gun Freak » Tue Apr 06, 2010 7:07 pm

Looks better now. Paint would make it look even better. Good job.
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Unread postAuthor: clemsonguy1125 » Tue Apr 06, 2010 7:08 pm

Gun Freak wrote:Looks better now. Paint would make it look even better. Good job.

Thanks, Im going to try to find some krylon fusion this week
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Unread postAuthor: Gun Freak » Tue Apr 06, 2010 7:11 pm

I still don't understand your firing mechanism :lol:

edit- and hour for an 8 second video? :?
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Unread postAuthor: clemsonguy1125 » Tue Apr 06, 2010 7:16 pm

Gun Freak wrote:I still don't understand your firing mechanism :lol:
well the barrel is plugged at one end and when its pushed down a hole is exposed in the air chamber, I may make a video demonstrating it
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Unread postAuthor: Gun Freak » Tue Apr 06, 2010 7:20 pm

Oh ok so its like the xrv
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Unread postAuthor: clemsonguy1125 » Tue Apr 06, 2010 7:22 pm

Gun Freak wrote:Oh ok so its like the xrv

yeah, I based it of that one, I just added a chamber and a way to remove the pump
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Unread postAuthor: Gun Freak » Tue Apr 06, 2010 7:26 pm

Yep. I think I might make something similar. It seems easy.
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Unread postAuthor: clemsonguy1125 » Tue Apr 06, 2010 7:30 pm

Gun Freak wrote:Yep. I think I might make something similar. It seems easy.
It is except drilling a hole through the barrel, its a pain, the larger you make it, the harder the barrel is to push back, I made a model with a 1/2 inch barrel and I could not fire it at anything above 20 psi
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Unread postAuthor: Gun Freak » Tue Apr 06, 2010 7:32 pm

Yeah it is only good on small caliber, it sould be easy to make a bb gun with two chambers for multiple shots. I think it would be cool.
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Unread postAuthor: clemsonguy1125 » Tue Apr 06, 2010 7:34 pm

Gun Freak wrote:Yeah it is only good on small caliber, it sould be easy to make a bb gun with two chambers for multiple shots. I think it would be cool.

Yeah it would, this is a lot easier to make than a piston valve this size
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Unread postAuthor: Gun Freak » Tue Apr 06, 2010 7:36 pm

clemsonguy1125 wrote:Yeah it would, this is a lot easier to make than a piston valve this size

Fo shizzle! It might be my next project after my big piston valve.
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Unread postAuthor: clemsonguy1125 » Tue Apr 06, 2010 9:09 pm

Cool, I wonder what pressure this gun will be impossible to fire at
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Unread postAuthor: deathbyDWV » Tue Apr 06, 2010 9:49 pm

That's cool... I think you should make a real trigger...
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Unread postAuthor: clemsonguy1125 » Tue Apr 06, 2010 10:02 pm

deathbyDWV wrote:That's cool... I think you should make a real trigger...

I was thinking about adding a spring and then bending a small piece of metal as the trigger, it will work like the trigger mechinism on a airsoft springer but for now it work ok to just slide the barrel back
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