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my airgun

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: soka » Sun May 16, 2010 1:29 pm

Thanks, I can up to 200 psi with this pump:

http://www.velo-leblanc.com/image.php?f ... &type=jpeg

And the video , i shot at less than 100 psi there.

Sory i dont manage to put directly the video.

http://www.youtube.com/watch?v=svJT19_lHpM

I have an other one which comes...
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Unread postAuthor: soka » Sun May 16, 2010 1:44 pm

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Unread postAuthor: Gun Freak » Sun May 16, 2010 2:14 pm

Haha the power doesn't seem that great... what were you shooting, styrofoam? Pumping that tank with a shock pump must be a nightmare!
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Unread postAuthor: clemsonguy1125 » Sun May 16, 2010 2:17 pm

Looks good, That was wood, wasnt it
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Unread postAuthor: POLAND_SPUD » Sun May 16, 2010 2:24 pm

I wouldn't say that power was not great...

I am guessing that the C:B volume ratio must be pretty low... that would make sense as the screws surprisingly do not tumble in flight and the gun is fairly quiet

either buy a better shock pump or build a fridge compressor... higher pressure = MOAR powah !!
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Unread postAuthor: Gun Freak » Sun May 16, 2010 2:25 pm

Sounded like it was under 200 fps, but maybe it was just the video. Good gun overall.
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Unread postAuthor: soka » Sun May 16, 2010 3:12 pm

yo, thanks , the power is not great, but i said that the shots were at less than 100 psi.
<haha yes its a nightmare to pump until 200psi.
Before, i used to shot screws like that, but without qev, and they did not stay right. But now with the qev they fly like arows!!!
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Unread postAuthor: Gun Freak » Sun May 16, 2010 3:15 pm

yeah they looks pretty accurate. you should try 300 psi, I think the fire extinguisher should hole that. with a shock pump though, your arm will probably fall off.
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Unread postAuthor: soka » Sun May 16, 2010 3:29 pm

haha, yes its hard to pump!!
I have an other version with more efficient "blow out"
this gun is more powerfull, but it shots one time.

Image

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Unread postAuthor: clemsonguy1125 » Sun May 16, 2010 3:34 pm

looks kinda steampunk, its cool
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Unread postAuthor: Gun Freak » Sun May 16, 2010 3:34 pm

what do you mean, "blow-out"?
and what is the air chamber on that gun?
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Unread postAuthor: soka » Sun May 16, 2010 3:44 pm

Yes i love steampunk style , like the game bioshock or mad max...

I waned to say that the escape of the air is biger , so more powerfull.
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Unread postAuthor: Gun Freak » Sun May 16, 2010 3:46 pm

oh ok, yeah because you pilot valve is bigger.
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Unread postAuthor: django » Fri May 21, 2010 7:59 am

I love the look of that gun :D ( the First one) I still cant understand what that cylinder is hanging under the barrel though!???
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Unread postAuthor: chinnerz » Fri May 21, 2010 8:07 am

django wrote:I love the look of that gun :D ( the First one) I still cant understand what that cylinder is hanging under the barrel though!???


Yeah i too would like to know what that is.
Also, mad max, now thats a good film
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