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break barrel spring gun

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break barrel spring gun

Unread postAuthor: sum_kid » Mon Aug 14, 2006 7:04 am

Image
ok i kno thats a crappy diagram srry bout that was the best i could do in a short time. its ganna b all made out of pvc pipes, brakeline or aluminum tubing for the barrel, and the end of the piston will be from a bike pump. im tryin to figure out a way to seal the chamber and the barrel with a practical way. right now im leaning towards a union type thing but if anyone has any ideas please tell me
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Unread postAuthor: Atlantis » Mon Aug 14, 2006 3:44 pm

You should try and find a way to make the barrel break also act as a pump, like a BB Rifle.

http://www.spudfiles.com/forums/viewtopic.php?t=258&

Put a rubber ring where the barrel touches the chamber.

You might find this site interesting.
http://www.boltsniper.com
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Unread postAuthor: dungdue0 » Mon Aug 14, 2006 3:58 pm

Yeah, Bolt rocks! Carrtoon made an actual barrel for nerf guns that is break barrel. Here is a link.
http://nerfx.net/smf/index.php?topic=192.0


Oh yeah, Here's the actual Double shot nerf gun. It has break barrel also. And shell ejection, it makes the seal by a foam ring. Range is still vary bad for that gun.

http://www.buzzbeetoys.com/RSAirBlaster ... 05040.html
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Unread postAuthor: sum_kid » Mon Aug 14, 2006 9:49 pm

thank

its its already a hindged barrel cocking design dats y i put break barrel. the little dot is where it hinges and the rod like thing underneath the chanber and the breach of the barrel is the cocking thing. and u think it would really b airtight enough with just a oring between the breach and the chanber? do u need to put like oil on it or sumthin
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Unread postAuthor: sum_kid » Mon Aug 14, 2006 10:05 pm

howd he cut the pvc like that in bolt sniper. i need to do that too but i dont have a saw or anything only a drill. is there a special cuter for cutting straight down like that?
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Unread postAuthor: pyromanic13 » Tue Aug 15, 2006 12:21 am

you thinking of a dremle/dremel tool? google one of those...
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Unread postAuthor: dungdue0 » Tue Aug 15, 2006 5:32 am

No, and yes.


That was Carrtoon who made the hinged barrel. And yes, He used a dremel. You should always have a dremel and many different bits for it. Since my dremel messed up I had to literally melt my way through the plastic. But you can't do that since you are working with metal.


Here is a pic of the FAR that I am making, I got a blowtorch and got a utility knifs red hot, and slowly melted my way through the plastic.
[img][img]http://i44.photobucket.com/albums/f12/puggy55/97e70f80.jpg[/img][/img]
Here it is next to one I tried to cut with a handsaw.
[img][img]http://i44.photobucket.com/albums/f12/puggy55/8fa56641.jpg[/img][/img]
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Unread postAuthor: pyromanic13 » Tue Aug 15, 2006 1:30 pm

jeez! that must've taken awhile.
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Unread postAuthor: MrCrowley » Wed Aug 16, 2006 12:46 am

lol you f*cked up the hand saw one :D
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Unread postAuthor: sum_kid » Wed Aug 16, 2006 3:25 pm

yeah i dont think ill be getin a dremel so maib ill try to melt it too not that presice but good idea
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Unread postAuthor: judgment_arms » Sat Dec 23, 2006 9:40 am

For twenty bucks US you can order one ready made here:
http://www.cumminstools.com/browse.cfm/4,196.htm
We’ve got two. You may have to do a little work to get them to shoot strait but other than that they’re cherry
But if you really want to make one, use something more ridged than brake line, sleeve it in pipe. Or for simplicity’s sake make it an under lever
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