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Build for combat

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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Build for combat

Unread postAuthor: wyz2285 » Tue Aug 17, 2010 3:57 am

This is my latest pneumatic build.Before building it i made some objectives for this gun:
1.under 2kg
2.be accurant
3.be able to shot more than once with one charge
All come together and here is the final product.basiclly is a coax,when charged up to 100 psi,i can get +3 semi-auto shots :D .
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Unread postAuthor: ilovefire » Tue Aug 17, 2010 4:02 am

hey that looks really good man, would like to see some close ups and maybe a video, wouldn't mind making one myself :)
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Unread postAuthor: SpudFarm » Tue Aug 17, 2010 4:14 am

Nice build! Can you tell more about the valve/operation details?
Some pictures of the valve internals would be good to :)

Good job!
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Unread postAuthor: wyz2285 » Tue Aug 17, 2010 4:58 am

all information is in my video :D [youtube]http://www.youtube.com/watch?v=DeRnZeZps4g the pic may help too [/youtube]:)

Edited by jrrdw, embedded video.
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semi blowgun.jpg
semi blowgun.jpg (30.85 KiB) Viewed 3661 times
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Unread postAuthor: Crna Legija » Tue Aug 17, 2010 6:31 am

Very nice looking sniper, and cool way of getting semi. Tho for true semi auto you do need a reload system
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Unread postAuthor: POLAND_SPUD » Tue Aug 17, 2010 12:43 pm

Though for true semi auto you do need a reload system
Have you considered using an airsoft hop-up unit as teh loading mech ?? I am sure that at least on of your friends have an old AEG that you can salvage for parts

Nice gun... ohh BTW I really like the video
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Unread postAuthor: wyz2285 » Tue Aug 17, 2010 3:01 pm

a reload system?for a coax??no idea how i'm going to put a magazine on the barrel :roll:
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Unread postAuthor: POLAND_SPUD » Tue Aug 17, 2010 4:17 pm

Well, you'd have to modify the gun a little bit. not that I am saying that there is any need to do so. No one said that you have to build a semiauto gun - I really like it the way it looks right now.
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Unread postAuthor: Techie » Tue Aug 17, 2010 7:26 pm

either POLAND has lost his marbles, or JSR has stolen them to use as ammunition....

Sick Gun 8)
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Unread postAuthor: Mr.Sandman » Tue Aug 17, 2010 10:35 pm

That bb on your video is not .177, I think you have gotten your information mixed up. ,177 caliber pellets/bbs do not come in white, round or .25 grams. I believe that is a airsoft bb. The blowgun modification is great though, works like a check valve.
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Unread postAuthor: Lockednloaded » Tue Aug 17, 2010 10:56 pm

wyz2285 wrote:a reload system?for a coax??no idea how i'm going to put a magazine on the barrel


Its really not as hard as people make it out to be as long as you're using spherical ammo
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Unread postAuthor: POLAND_SPUD » Tue Aug 17, 2010 11:55 pm

either POLAND has lost his marbles
Well, if you convert it into an over under gun you can add the hop-up unit. Though, the gun wouldn't look as good as it does now
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Unread postAuthor: wyz2285 » Wed Aug 18, 2010 5:01 am

i like my gun as what it is,would be cool if i get a reload,but i think i won't go change it :) my original idea was just be able to shot air more than once,doesn't including reload system :oops:
here is the gun separated, so it's easier for transporting
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Unread postAuthor: Fizento » Thu Aug 19, 2010 12:24 am

it looks really nice! and a very good idea for making it semi, never thought of something like that plug in the blowgun to stop the flow!
pretty cool sniper very authentic look

at what distance did you fire at these apples and what pressure did you use for that?
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Unread postAuthor: wyz2285 » Thu Aug 19, 2010 3:54 am

the distance is about 20m,with 60 psi
Here is a video about how it's made and how it works :) [youtube]http://www.youtube.com/watch?v=9LPycCNhN9Q[/youtube]
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