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Solenoid actuated hammer valve

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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Solenoid actuated hammer valve

Unread postAuthor: wyz2285 » Tue Mar 27, 2012 7:44 am

My 12v DC solenoid is working :D :D
Now I´m using it to pilot my chamber-seal piston repeater 8)
The video shows the system in function, also you can see the piston moving :P
The circuit testing part is for Dewey-1, it´s still not working in full auto mod :? also take a close look at 2:15, it fires both when I press/release the trigger :?
[youtube]http://www.youtube.com/watch?v=5lFqwXwhZ-M&context=C476565dADvjVQa1PpcFMdDgjr2439eyyF99TPsDm1vyjoJ6FPiQE=[/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: pneumaticcannons » Tue Mar 27, 2012 8:06 am

thats so awesome :)
are you going to have a bolt system moved by the solenoid or are you going for a simple T-mag?
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Unread postAuthor: wyz2285 » Tue Mar 27, 2012 8:44 am

The test was done at 60 psi...
I´m going to run this at least 200 psi :twisted: so I will have more than enough air to use a blowback
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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: dahakka » Tue Mar 27, 2012 9:30 am

:shock: :shock: :shock: :shock:
u r really really awesome ...
and ,can i ask you a question?
http://www.youtube.com/watch?v=pyG6SUS6ggE

How many shots do you get with that tank , in 40bar?
i still want to do 1 like that,
:lol:
(i don't want to make qev+slide valve or 3 way valvebecause i don't have pressure regulator and hpa tank,so your design is best for me, ... :lol:
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Unread postAuthor: wyz2285 » Tue Mar 27, 2012 10:16 am

The best thing about that system is that you loose very little air, as it does NOT exhaust the full pilot air, a slide or 3-way always exhaust all the pilot air. I did the test, my system makes 1/3 more shots.
For your question, I don´t have answer :lol: never really finished shooting all the air, normally after 30-40 shots I remove the flow stoper from the blowgun and finish the air with one big shot :D .
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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: dahakka » Tue Mar 27, 2012 10:33 am

wow
i watched video
and i think you only can shot 3 or 4 times
that s stupid :oops: :oops:
i still can't make a "pop off" valve like your , sometime it doesn't work, sometime it "Bang" and run out off air
i will try again
thks for help
:o
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Unread postAuthor: wyz2285 » Tue Mar 27, 2012 10:37 am

i watched video
and i think you only can shot 3 or 4 times

I only shot 3-4 times, because my neighbores can´t stand de noise :evil:
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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: jackssmirkingrevenge » Tue Mar 27, 2012 11:16 am

great, move over Steve Harper :D
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Unread postAuthor: wyz2285 » Tue Mar 27, 2012 11:41 am

Even through it's working great now, I realise that I will need a big chambar, so if I want to make this PCP style, I will need to build a inline regulator, I know how they works, my concern is making a reliable and functional one on my drill press :( damn I want a lathe!
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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: Gun Freak » Tue Mar 27, 2012 5:52 pm

It's cool but not very practical at this stage, because it lets too much air out... but still cool. I'm looking forward to seeing what you'll do with it.
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Unread postAuthor: wyz2285 » Tue Mar 27, 2012 6:22 pm

It let's too much air out because I'm controlling the solenoid manually, with the control circuit that Dewey-1 had designed for me, the shortest valve opening width is only 50ms, and wil allow me to switch between semi/full auto, also the fire rate. And this thing at 100psi has the same noise as my hammer valve at 30bar... So power is not a problem.
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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: Gun Freak » Tue Mar 27, 2012 6:29 pm

Ok cool, I still think you will need a large air tank :)
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Unread postAuthor: killerbanjo » Tue Mar 27, 2012 6:31 pm

Thanks great, be sure to keep us updated :D
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Unread postAuthor: JDP12 » Tue Mar 27, 2012 6:55 pm

Very nice work, I like it!
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Unread postAuthor: Cosmic Muffin » Tue Mar 27, 2012 9:40 pm

i was looking at these valves on ebay for the exact same purpose, but i wasnt sure if they pushed or pulled :/ anyway could you tell me which valve you bought? this would solve so may problems in my design, such as trigger placement and working out a hammer mech etc
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