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Help me build a full copper-marble/paintball gun

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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Unread postAuthor: Infernal Maveric » Sun Jul 08, 2007 5:49 pm

Ok, I will make a QEV and a piston version of the gun.

If you like, you can PM me for my MSN address so I can chat to you on there.

A thing to remember though, paintballs/some marbles might not fit into the copper barrel.
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Unread postAuthor: VH_man » Sun Jul 08, 2007 6:18 pm

ahh. 1/2 inch copper fits 14mm marbles. you can buy them in miachels.

they also have some little tiny 1/4 inch marbles.........
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Unread postAuthor: Hotwired » Sun Jul 08, 2007 10:15 pm

Well the parts list has been asked for so here it is.

Here is a bit of a diagram which shows some of the invisible modified parts.

Theres also the ultra-secret assembly picture from the depths of the UKSGC forum: Clicky.

The problem with the last picture is that it isn't the final design - it still shows a 3/4" QEV while the final version used a 1/2" QEV. Aside from that it's a decent indicator of what goes where.
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Unread postAuthor: Infernal Maveric » Mon Jul 09, 2007 1:22 am

if you still want diagrams tell me, but from what Hotwire provided, you're pretty much sorted blueprint wise
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Unread postAuthor: glasklar » Mon Jul 09, 2007 7:33 am

Hotwired
Thanks allot :)

Infernal Maveric
Yea i still want the diagrams :)
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Unread postAuthor: Infernal Maveric » Tue Jul 10, 2007 5:27 am

Ok I drew these up in college. Took about an hour to draw them up. Have the parts labled. I drew it with end feed solder fittings, but the parts will be called the same, but compression instead. Took less time to draw it this way ;-)

Image

Tell me what you would like me to fix. I'll happily redraw it if needed

Kept it as "Rifle like" as I could.
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Unread postAuthor: mike1010 » Tue Jul 10, 2007 11:21 am

MrCrowley wrote:Before I help you I need to know if you actually know how these guns work. I don't want to give you a blueprint to a gun that can kill someone without knowing that you know how everything works and you are responsible enough with it.


i had the same problem with building cannons for friends i let a friend hold my unloaded marble sniper and he shot it empty point blank into my ear and i lost my hearing for like 2 hours that oficially ended my time of making cannons or even plans for my friend because untill you realize their danger people think they r just big nerf guns or something
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Unread postAuthor: Hotwired » Tue Jul 10, 2007 1:45 pm

Mmm...

I wonder if it's such a good idea for me to post that kind of detailed stuff.

Oh well, taking a chance on a newbie.
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Unread postAuthor: MrCrowley » Tue Jul 10, 2007 5:45 pm

mike1010 wrote:
MrCrowley wrote:Before I help you I need to know if you actually know how these guns work. I don't want to give you a blueprint to a gun that can kill someone without knowing that you know how everything works and you are responsible enough with it.


i had the same problem with building cannons for friends i let a friend hold my unloaded marble sniper and he shot it empty point blank into my ear and i lost my hearing for like 2 hours that oficially ended my time of making cannons or even plans for my friend because untill you realize their danger people think they r just big nerf guns or something


Yeah a good friend of mine came over, wanting to shoot my paintball gun. I said alright but do exactly this and don't even think about doing this(telling him where to shoot, when to shoot etc) so he takes out the paintball I loaded and puts in a fishing sinker, the gun is charged up and he's holding it so if I try get it back there could be an accidental misfire from fighting over it. He disobeys everything I told him to do, aims at my concrete driveway about 2m in front of him and pulls the trigger, not only did it risk freakin up my driveway there was a car parked about 15m up it, it could've easily ricocheted into the car.

That was the last time he fired the gun. And the last time I can trust him with anything dangerous.
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Unread postAuthor: turbohacker » Tue Jul 10, 2007 5:56 pm

Scary^^
I did something similar with my second pnumatic (5' x 3" chainber 1" ball valve 1"inch barrel) I didnt think it would be very powerful so I shot it at my fence with a broomstick as ammo, it went through the fence and narrowly missed a new mecedez coupe and hit my neibors lawn. :oops:
Well shortly after the gun had a date with my dad and a 12" chop saw :cry:
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<-- This is not a cat avatar

If it walks like a dog, sratches like a dog, and barks like a dog, than its probobly a...-TURTLE, it's a TURTLE!!! Cant you see?!!!

frankrede wrote:Great googlay mooglay!
Thats a beast!
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Unread postAuthor: Infernal Maveric » Wed Jul 11, 2007 2:11 am

I had an incident like this once.

I shot some ammo that I can't discuss here. (It has a shell and 1 foot to slide along) poped it into one of my Pnue matic guns and aimed at my aspesdos garage expecting a huge splat. Punched a clean 1" hole through it, missing my dad's Harley by about 6" =(
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Unread postAuthor: glasklar » Wed Jul 11, 2007 7:38 pm

Thanks for the help every body, i got a good wiev now and i ordered half the parts so i will begin with it, if it get any nice and works i will post some pictures ;)
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Unread postAuthor: Hotwired » Thu Jul 12, 2007 7:47 am

Sounds promising, don't usually hear much from people that ask for plans :)

A good wiev huh? Wife?
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Unread postAuthor: glasklar » Sat Jul 14, 2007 5:19 am

Yea pretty much, it will be like the copperhead prime but with some changes, like a easy loading system(going to make it like "loadable", i pull 1 level and it change to a new potato *Hope it will work*) and a easy pipe changer so i can load it with some small ball and use it to fish with xD(just haven't figured out the ammunition plans) and little more, I will post some plans for the loading system and the fish-catch ammunition soon.
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Unread postAuthor: glasklar » Sat Jul 14, 2007 11:58 am

http://img182.imageshack.us/my.php?imag ... ed1fc0.gif
theres the amunition set, hope you understand it :)
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