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A better one will be posted later. This is a demo video of my current air gun.
This is a coaxial piston gun.  The blowgun trigger is my pilot valve.  The piston is 2" with a built in check valve.  The barrel is 1/2" smooth bore.
Could you make an Instructable for this one? It looks awesome!
I have better designs now, but I haven't messed with pneumatics in a while.
Yeah, and maybe size. The way it works though, the trigger is technically inside the tank. The barrel shouldn't effect it.
Awesome! You should make an instructable!
Depends, I might for a smaller or simpler gun.
Cool!
the only thing missing is a fittingly AWESUM paintjob :)
hey!<br>Nice work bro! Thats looken' pree' sweet :) <br><br>Needs some paint but :P
I know, I'll get to that eventually haha
nice job cow, btw did you check out mine?<br>
WOW!!!! AWESOME!!!! You did it again!!!!! :-)
Thanks! I hope to make a better one when I get money ;D
Very good start! Any chance of an air reservoir for multiple shots?
Yes actually, the real gun I plan to assemble will be a full coaxial sniper rifle, preferable steel, with a reservoir tank, bipod, mountable scope, and wood stock as well.<br>I plan to make it the best possible. No point in making 5 prototypes haha...

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Bio: AKA Roborovski, and Cowscankill for several years. I'm a mechanical engineering undergrad.
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