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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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Unread postAuthor: Goats spudz » Tue Aug 07, 2012 7:22 pm

I know you don't have the barrel yet, I should have said to make it like the Airforce condor like Gippeto suggested.
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Where's my Chuck key?

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Unread postAuthor: Gippeto » Tue Aug 07, 2012 7:46 pm

Has a similar look to these....which I LIKE. 8) The second in particular. :)

Image

Image
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Unread postAuthor: wyz2285 » Wed Aug 08, 2012 5:05 am

Zeus wrote:
I hate to ask too, but you didn't pick her up fairly cheap in China did you?

The valves? I did bought them in China, but they are very good quality, not sh*ts you buy from ebay.
@Labtec: post some pictures of the tube, so maybe we can get to a deal :)
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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: Zeus » Wed Aug 08, 2012 6:15 am

Nah Wyz, I was referring to your girlfriend. :D
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/sarcasm, /hyperbole
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Unread postAuthor: pneumaticcannons » Wed Aug 08, 2012 12:21 pm

^ lol
Very nice wyz, me likes so far. I'm also interested in one of those tubes Lab...
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Unread postAuthor: Labtecpower » Wed Aug 08, 2012 2:04 pm

Can't take a good pic right now.

I have 2 different tubes, 316L ss, and high-pressure hydraulics tube
(EN 10305-4 E235 10.0x2.0)

The 316L tube has an ID of 6.2 mm, and the piece I have isn't dead straight.

The other tube has a far better fit for a precision bb, and is entirely straight. Length is about 60 cm, I can probably get larger pieces in september.


@pneumaticcannons; Where do you live? shipping outside the EU will get quite expensive I think..
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Unread postAuthor: wyz2285 » Wed Aug 08, 2012 2:17 pm

Nah Wyz, I was referring to your girlfriend.

Then no, we were together before I went to China "shopping" :lol:
@Labtec: if you can get 1m of the 60cm tube you have, we could get to a deal for a package of 5 tubes :)
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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 » Wed Aug 08, 2012 7:03 pm

Thailand, but I would never ship it here. It would go to where I stay in the US. The shipping would get expensive but I think it would be worth it.
Edit: Ill stop hi-jacking your thread now wyz :)
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Unread postAuthor: jackssmirkingrevenge » Thu Aug 09, 2012 2:14 am

wyz2285 wrote:Hope I can finish this gun this month, but I have a girlfriend to take care now :?


boooooo!

I note I have already been used as an example of the negative influence of a "better" half :roll:

So, I decided to build a airsoft sniper rifle, my objective it´s to see how accurate a airsoft bb can be.


The limiting factor is the BB. The low density invariably means that the projectile will slow down very rapidly, leading to a rainbow-like trajectory, and will also be very susceptible to environmental factors.

Here's the abovetranslated into science;)
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Unread postAuthor: wyz2285 » Thu Aug 09, 2012 3:14 am

I have steel bbs and if this gun really work out well, I may use a pellet gun barrel. But for now 0.40g bbs are accurate enough for up to 50m.
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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: wyz2285 » Thu Aug 09, 2012 7:02 am

Test made at 8 bar, 0.25g bb.
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Attachments
DSC_0421.JPG
DSC_0424.JPG
a video will show how thick this book was.
Last edited by jrrdw on Thu Nov 07, 2013 2:54 pm, edited 2 times 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: Zorlord » Thu Aug 09, 2012 10:17 am

Has anyone ever employed the use of an airsoft hop-up? It seems like all of the bb/airsoft guns that everyone makes disregards this part.. It would seriously increase the range and accuracy on your gun, and make loading a hell of a lot easier..
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Unread postAuthor: wyz2285 » Fri Aug 10, 2012 1:23 pm

Finished the reload/magazing block, also added a homemade hop up, worked like wonder :D with only 5 bar I was able to have a effective range of 40m reliably.
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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 » Fri Aug 10, 2012 2:21 pm

@Labtec: if you can get 1m of the 60cm tube you have, we could get to a deal for a package of 5 tubes :)


I won't be able to get that length for free.
When I return to work i'll see if I can get them, and what the price would be :)
in the meantime I hope I can get some precision measurements on the ID..
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Unread postAuthor: wyz2285 » Fri Aug 10, 2012 4:25 pm

Don´t worry, get what you can :) the max length of airsoft barrel sold here are only 630mm and bloody expensive, around 40 euro for a aluminium one, most of the airsoft guns use only uses 560mm. So 60cm it´s ok for me.
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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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