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Combustion Airsoft Pistol

Built a BB Machine Gun? 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: Gun Freak » Sun May 30, 2010 9:10 am

I put a little chapstick pump on it, and it helps a little. Not as fast as taking the plug off an shaking the old out, but it works.
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Unread postAuthor: clemsonguy1125 » Sun May 30, 2010 9:34 am

It was just an idea, I kinda designed it for a slightly smaller gun, you could scale it up and cast a hot glue piston or a dowel with a oring on it
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Unread postAuthor: Gun Freak » Sun May 30, 2010 12:53 pm

Yeah it wasn't permanent, I mounted it in a bushing that took the place of the plug in the back. Maybe I'll make a hot glue casted piston in 1/2 pvc for a pump.
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Unread postAuthor: clemsonguy1125 » Sun May 30, 2010 2:29 pm

Sounds good but as pointed out it not a pump, more of a air cycler
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Unread postAuthor: Gun Freak » Sun May 30, 2010 2:36 pm

Alright, so I made a 1/2 pvc body, hot glue piston and put it on a bolt, lots of vaseline for lube, but its really tight and hard to push and pull. It delivers more air but still not worth the effort. Back to the drawing board again :roll:
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Unread postAuthor: clemsonguy1125 » Sun May 30, 2010 2:38 pm

Sand down the piston the bit tons of vasaline
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Unread postAuthor: Gun Freak » Sun May 30, 2010 2:41 pm

I already have a butt load of vaseline on, and I don't even feel like fiddling around with it anymore, I want a better design anyway.
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Unread postAuthor: clemsonguy1125 » Sun May 30, 2010 2:43 pm

Well just put in a fan from like thE dollar store
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Unread postAuthor: Gun Freak » Sun May 30, 2010 2:45 pm

It's a half inch chamber, remember? I might get a tiny motor and make a fan out of it.
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Unread postAuthor: clemsonguy1125 » Sun May 30, 2010 2:48 pm

Well buy like a toy cell phone or something, they have tiny motors and battery
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Unread postAuthor: Gun Freak » Sun May 30, 2010 2:51 pm

Haha my little sis has a bunch of those... :twisted:
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Unread postAuthor: theBOOM » Sun May 30, 2010 4:23 pm

Guys, just use a syringe, it's the same concept.
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Unread postAuthor: Gun Freak » Sun May 30, 2010 4:25 pm

I tried to find one, but I think it got thrown away. I'll keep my eye out at drug stores for one.
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Unread postAuthor: theBOOM » Sun May 30, 2010 4:31 pm

Oh, if you can't find a syringe you could try and add a small fan into yur gun, a bit more complicated but it could be done. Try finding one in an electric toothbrush, also cellphones have a small fan. I'm not so sure how hard it would be too make an on and off switch for it though.
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