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Building a airsoft sniper rifle

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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Building a airsoft sniper rifle

Unread postAuthor: wyz2285 » Tue Aug 07, 2012 10:48 am

Recently I got a lot of good stuff, hydraulic/pneumatic parts, etc.
So, I decided to build a airsoft sniper rifle, my objective it´s to see how accurate a airsoft bb can be.
I used a 1/4 3-way valve to pilot a 1/4 QEV, the exhaust port of the 3-way is suppressed. But I´m not going to make it semi-auto, instead I will use bolt-action plus magazine for reloading.
The gun isn´t finished yet, I still haven´t decided the barrel/bolt configuration.
Video made at 5 bar, I tested 10 bar after the video, the QEV really rocks off the ground :D
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Last edited by jrrdw on Thu Nov 07, 2013 2:57 pm, edited 1 time in total.
Reason: Fixed video.
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: Brian the brain » Tue Aug 07, 2012 12:28 pm

Your stuff is getting better and better!!

Love the clean look so far!

I'm looking forward to seeing it completed.
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Gun Freak wrote:
Oh my friggin god stop being so awesome, that thing is pure kick ass. Most innovative and creative pneumatic that the files have ever come by!

Can't ask for a better compliment!!
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Unread postAuthor: wyz2285 » Tue Aug 07, 2012 1:18 pm

Thank you sir :P
By my stuff getting better and better you meant the scope isn´t it :lol: actually it wasn´t expensive.
For the valves, I bought like 10 DCVs plus a couple of QEVs and other parts for less than 100 euro :P :D also now I have 6mm steel bbs :twisted:
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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: dewey-1 » Tue Aug 07, 2012 1:31 pm

wyz;

That is a very appealing creation that you have done!
Excellent work and keep it up. :)
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Unread postAuthor: wyz2285 » Tue Aug 07, 2012 1:36 pm

Thanks dewey-1, BTW I also got the circuit boards printed, 20 copies for just 30 euro :D
Hope I can finish this gun this month, but I have a girlfriend to take care now :?
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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 » Tue Aug 07, 2012 1:40 pm

That looks really nice, you should make the barrel come out of the grey tube.
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Where's my Chuck key?

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Unread postAuthor: dewey-1 » Tue Aug 07, 2012 1:42 pm

wyz2285 wrote:Thanks dewey-1, BTW I also got the circuit boards printed, 20 copies for just 30 euro :D
Hope I can finish this gun this month, but I have a girlfriend to take care now :?


Which version of the board?
Post a picture of the PCB.

Women will do that to you! Ask JSR! :D
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Unread postAuthor: wyz2285 » Tue Aug 07, 2012 1:49 pm

Goats the barrel isn´t there yet :wink:
dewey-1 I got 10 copies of the semi/full auto(24v version)
and 10 copies of the semi one. I will post pictures when I find them :? I haven´t seem them since I arrived home (I printed them while I was in China, there is no such service here in portugal) :roll:
And, why should I ask JSR :lol: ?
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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: Labtecpower » Tue Aug 07, 2012 2:33 pm

looks great! do you already have a barrel? I can get some quite good 6 mm hydraulics tube :)

And, why should I ask JSR :lol: ?


Well, the poor guy was once forced to bake a cake...
Not to mention he isn't allowed to buy a robotic baby.
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"ñøw mÿ šįg šüçkś!"
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Unread postAuthor: wyz2285 » Tue Aug 07, 2012 3:25 pm

Well, the poor guy was once forced to bake a cake...
Not to mention he isn't allowed to buy a robotic baby.

Well currently I´m not "forced" to do anything yet, but there are stuffs that I know I shouldn´t do now :roll:
I do have a barrel, one of the best I have right now :) but I need a new 6mm barrel source, any details?
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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: Labtecpower » Tue Aug 07, 2012 3:38 pm

I can get 6 mm ID, 10 mm OD hydraulics pipe very cheaply, in reasonable lengths. (up to 2 meters)

They are made out of 316L stainless, I need to do a precision measurement on the ID tough.
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Unread postAuthor: wyz2285 » Tue Aug 07, 2012 4:02 pm

Price? If the ID is less than 6.1 mm it´s ok, but it has to fit a bb of course.
And are they straight? Keep 2m of 6mm tube straight during shipping it´s difficult I guess.
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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: Gippeto » Tue Aug 07, 2012 4:37 pm

Have to agree with everyone else...that IS looking good. :thumbup:

Kind of a Condor/tube gun thing going on that has major appeal. :)
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Unread postAuthor: Labtecpower » Tue Aug 07, 2012 6:07 pm

Price? If the ID is less than 6.1 mm it´s ok, but it has to fit a bb of course. And are they straight? Keep 2m of 6mm tube straight during shipping it´s difficult I guess.
Very very cheap, someytimes I can even get 60 cm lengths for free.
I believe it's under 6,1 mm, fits a bb very well, I already tried.
I'll test the straightness tomorrow.
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"ñøw mÿ šįg šüçkś!"
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Unread postAuthor: Zeus » Tue Aug 07, 2012 6:41 pm

Nice work Wyz, looking forward to seeing it finished.

I hate to ask too, but you didn't pick her up fairly cheap in China did you?
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/sarcasm, /hyperbole
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