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This area is for the discussion of BB or airsoft sub machine guns, and or other small arms such as pellets.
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Unread postAuthor: LeprechaunIV » Sat Nov 24, 2007 6:50 pm

I have a suggestion of using a 6mm dowel and a one inch pvc pipe to cast a barrel out of acrylic or Bondo. I would spray a 2 or 3 foot long dowel with cooking spray or use petroleum jelly and center it inside the correspondingly sized pvc pipe and seal off the bottom. Then I would fill around the dowel almost to the top and tape the top to center the dowel and let it cure. This could be used with a smaller dowel for .177 steel BB's. Is this idea plausible? Would it work better or worse than brake line(I think it would be more solid and support itself better)?
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Unread postAuthor: boilingleadbath » Sat Nov 24, 2007 9:52 pm

I doubt a wooden dowel would be smooth enough, strait enough, or uniform enough for this to work well... but the concept is sound. Perhaps one could try it with an aluminum rod.
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Unread postAuthor: LeprechaunIV » Sat Nov 24, 2007 10:07 pm

I can find wooden dowels more readily than metal ones, which is why I suggested them. It might help to put a wood floor sealenat of some kind on them for a smooth finish. I'll try it out next week.
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Unread postAuthor: ALIHISGREAT » Sun Nov 25, 2007 8:39 am

LeprechaunIV wrote:I can find wooden dowels more readily than metal ones, which is why I suggested them. It might help to put a wood floor sealenat of some kind on them for a smooth finish. I'll try it out next week.


i agree with boilingleadbath, you really shouldn't do it wilth dowl because its not smooth enough, a metal or plastic rod is the best way to do it.
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Unread postAuthor: singularity » Sun Nov 25, 2007 2:40 pm

when you add the sealant to the dowel it will increase the diameter so you might want to sand it down a bit first. in a standard AEG airsoft gun a barrel with a diameter of 6.03 will give you about 50 more fps from a stock 6.09mm barrel, thats only .05mm and will drop preformance and accuracy a great deal. this is not a big problem with clouds and vortexs but a tighter barrel will always translate to better power/accuracy.
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be sure to check out my <a href="http://www.spudfiles.com/forums/ak-style-airsoft-vortex-gun-t10959.html">AK Styled Vortex Gun</a> and my <a href="http://www.spudfiles.com/forums/at-4-t9627.html">AT-4 Rocket</a>

upcoming projects... finalized clip fed BBMG and ball point pen sniper
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Unread postAuthor: jackssmirkingrevenge » Sun Nov 25, 2007 2:44 pm

Sounds a bit of a useless exercise when precise commercially made tubing of the right diameter can be purchased at reasonable prices.
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Unread postAuthor: LeprechaunIV » Sun Nov 25, 2007 2:46 pm

It also leaves the option of casting the barrel and vortex block as one piece.
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Unread postAuthor: jackssmirkingrevenge » Sun Nov 25, 2007 2:50 pm

... or you could just cast it seperately ;)
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