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SodaStream Blowgun Sniper/BBMG

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: jackssmirkingrevenge » Sun Sep 30, 2012 11:38 pm

If you're using 0.177" BBs, 1/4" brakeline should have the right inner diameter. Your local model shop should also stock a selection of brass and aluminium tubes in various diameters.
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Unread postAuthor: cross up » Mon Oct 01, 2012 12:33 am

ok cool thanks.

Oh and if i have a 60L sodastream cyclinder what would be a safe air pressure i can put into it with a air compressor?
The bottle says 250bar but i highly doubt ill go that high.
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Unread postAuthor: jackssmirkingrevenge » Mon Oct 01, 2012 12:40 am

If the bottle says 250 bar then that's your answer :) that's over 3500 psi, you need a specialised compressor to even approach those pressures.
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Unread postAuthor: cross up » Mon Oct 01, 2012 12:54 am

oh i dont plan on going any where near that much.
i just wasnt sure if it changed when filling with air as opposed to co2.
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Unread postAuthor: jackssmirkingrevenge » Mon Oct 01, 2012 1:19 am

cross up wrote:i just wasnt sure if it changed when filling with air as opposed to co2.


In this case pressure is pressure regardless whether it's air of CO<sub>2</sub> so no worries.
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Unread postAuthor: cross up » Mon Oct 01, 2012 1:29 am

ok cool thanks for that.
when im finished making it ill put up a pic and see what people think
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Unread postAuthor: blowgunaussie » Fri Apr 05, 2013 7:19 am

Hello from Australia

Sorry to bring up an old post, especially as my first post.
But I love your gun design and I joined this site hoping someone can help as I am building my own based on your design.

My main problem is the barrel. How is the barrel attached to the blowgun?

Also, just by looking at it, I have guessed the other items I need. I just need confirmation and info on anything I may have missed or gotten wrong.
I think they are..
sodastream bottle
sodastream co2 adapter??
Regulator (not 100% sure on what one to get)
Air line
Blowgun
Barrel
Scope
Clamps around the barrel and bottle

Any help will be greatly appreciated.

Also, if people have some upgrade ideas, I'd love to hear them.
I will spare no expense on building one of these beauties :-D
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Unread postAuthor: finland66 » Fri Apr 05, 2013 12:57 pm

hi

mayby this cind coupling
1/4 to blowgun and 8mm OD barrel
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