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Help Making Semi auto

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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Help Making Semi auto

Unread postAuthor: Goats spudz » Sun Sep 18, 2011 11:19 am

I want to make this semi-auto so i can shoot multiple bbs

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Unread postAuthor: jrrdw » Sun Sep 18, 2011 1:12 pm

OK. whats stopping you?
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Unread postAuthor: Lockednloaded » Sun Sep 18, 2011 1:31 pm

There quite a few ways to get semi auto, but anyway, where's your fille valve?
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Unread postAuthor: Goats spudz » Sun Sep 18, 2011 1:41 pm

Im not quite sure how. i poked a hole in the piston and put a spring behind it but its terrible so i took the spring out.


and my fill valve is in the bottom of the blowgun i screw a custom valve into it which goes to my compressor.
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Unread postAuthor: wyz2285 » Sun Sep 18, 2011 2:16 pm

if you are using that blowgun as a pilot, you really should make your gun like thishttp://www.spudfiles.com/forums/semi-auto-sniper-riflewith-damage-pics-t21406.html it´s simple, easy to make, and in my opinion better than a 3 way valve or a slide valve, you will be able to adjust the number of shoot and power.
Here is a video:
[youtube]http://www.youtube.com/watch?v=pyG6SUS6ggE[/youtube]
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CpTn_lAw wrote::D "yay, me wanna make big multishot pnoob with 1000 psi foot pump compressor using diamond as main material. Do you think wet bread make good sealant? " :D
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Unread postAuthor: Goats spudz » Sun Sep 18, 2011 2:41 pm

Please could you show me how your semi auto blowgun works!
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Unread postAuthor: wyz2285 » Sun Sep 18, 2011 2:52 pm

well some people were able to make a copy from this video
[youtube]http://www.youtube.com/watch?v=9LPycCNhN9Q[/youtube]
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CpTn_lAw wrote::D "yay, me wanna make big multishot pnoob with 1000 psi foot pump compressor using diamond as main material. Do you think wet bread make good sealant? " :D
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Unread postAuthor: CooperJS » Mon Sep 19, 2011 1:59 am

3 way valve connected to the QEV, but that's only one of the ways :)
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Unread postAuthor: Goats spudz » Wed Sep 21, 2011 9:45 am

slide check? i have seen JSR post it but i dont understand how they work
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Unread postAuthor: Crna Legija » Thu Sep 22, 2011 1:07 am

Goats spudz wrote:slide check? i have seen JSR post it but i dont understand how they work


like the pilot valve in this pic.

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Unread postAuthor: Goats spudz » Thu Sep 22, 2011 1:19 am

ok thanks but i have seen these on ebay with a QC on em will that connect to a male pcl qc
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Unread postAuthor: jackssmirkingrevenge » Thu Sep 22, 2011 2:15 am

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Unread postAuthor: Goats spudz » Thu Sep 22, 2011 12:18 pm

just curious can someone show a slide check in use, with a QEV
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Unread postAuthor: jackssmirkingrevenge » Thu Sep 22, 2011 12:27 pm

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Unread postAuthor: jhalek90 » Thu Sep 22, 2011 12:30 pm

the rifle that jack linked you to worked very well.

I did notice however, the slide valve seemed harder to trigger at very high PSI, such as 350+ psi. A little bit of mineral oil seemed to help alot.
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jackssmirkingrevenge wrote:I wonder... if you put flammable vapours inside a lady... could you get her to diesel?

POLAND_SPUD wrote:Anything is possible with the proper 3-way valve.
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