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I need a little help designing an ass...

This area is for the discussion of BB or airsoft sub machine guns, and or other small arms such as pellets.
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Unread postAuthor: Ranger » Tue Jun 15, 2010 11:01 pm

The reason a syringe is so hard to push is becuase the rubber pushes out on the cylinder to make a perfect seal.
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Unread postAuthor: jackssmirkingrevenge » Tue Jun 15, 2010 11:05 pm

I had used a syringe in this project but took out the rubber seal because of the friction, and cast my own head out of cottonwool and white glue (hadn't discovered epoxy yet :roll:)
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Unread postAuthor: Gun Freak » Wed Jun 16, 2010 7:32 pm

You know Jack, the crossbow type isn't that bad an idea. Kast night I got the briliant idea to use an old handpump I have, the check valve is pretty much broken in it and I don't need it, it has a floating o-ring and a perfectly long handle so the crossbow layout won't be that hard to do. It also has a big volume so it should be pretty powerful... the thing that will be hardest is the trigger though. Your design is a little too complex for me, I think I can think of a simpler one.
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Unread postAuthor: Lockednloaded » Wed Jun 16, 2010 7:42 pm

a larger volume cylinder will not make it more powerful unless you have an extremely large spring/drawback energy to compensate. you have to model the size of the piston/cylinder based on the drawback strength of your spring. ^ I hope that makes sense :lol:

On another note, you could also use a small air cylinder, they're pretty cheap off of ebay.

Also, look at JoergS' slingshot crossbow thing, it has a great cocking and firing system
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Unread postAuthor: Gun Freak » Wed Jun 16, 2010 7:48 pm

Yeah it makes sense.... I was thinking about that...
Also I saw his slingshot crossbow, the ammo holding mech was ingenious but it is a little beyond my capabilities with my tools and materials, maybe I'll study it some more and simplify it a bit to suit my needs...
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Unread postAuthor: clemsonguy1125 » Wed Jun 16, 2010 8:34 pm

Spring guns are not the easiest thing to make, I tried a the sryinge idea long before i found spudfiles but the problem with that is you cant put the spring inside it has to mount on the outside and it getts bulky quick. I know this wont be a popular suggestion but the easiest way to make a airsoft spring gun is take a nerf gun, open it up and cut out the little rod the nerf dart sits on. Wrap tape around a 6 mm tube until it fits snuggly in the guns barrel. One version of this using a arrow for the barrel and a nerf nightfinder got 280 FPS. You could add a simble T mag on it and have multi shot easily.
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Unread postAuthor: kydavies » Wed Jun 16, 2010 8:37 pm

ah also if you stretch the spring or add in a new one or elastic mod it you will get a hell of a lot more fps
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mikemurph wrote:yea, the ammo has been changed to a more aero dynamic projectile. it consists of the back half of a dart, and a hot glue ball
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Unread postAuthor: Lockednloaded » Wed Jun 16, 2010 8:45 pm

Here is a simple "springer" type gun The trigger system is "iffy" but it is simple and works. The drawback could also be an issue, but you'll figure it out
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Unread postAuthor: Gun Freak » Wed Jun 16, 2010 8:49 pm

I have to scrounge around a few yard sales for that sort of stuff, maybe I'll get lucky... :P
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Unread postAuthor: kydavies » Wed Jun 16, 2010 8:49 pm

i love it. i have the perfect trigger system for that. a bolt off of a door (its really heavt duty) that is operated by a trigger!!!! i could make this to shoot paintballs
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mikemurph wrote:yea, the ammo has been changed to a more aero dynamic projectile. it consists of the back half of a dart, and a hot glue ball
AHahahahah!!
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Unread postAuthor: Gun Freak » Wed Jun 16, 2010 8:50 pm

That's a pretty good idea but it would cost a lot of money just for the trigger mech unless you use an old one...
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Unread postAuthor: kydavies » Wed Jun 16, 2010 8:52 pm

i salvaged 2 of them from 2 old cedar doors that had a free sign on them from the side of the road (i left the doors)


edit il got take a pic
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mikemurph wrote:yea, the ammo has been changed to a more aero dynamic projectile. it consists of the back half of a dart, and a hot glue ball
AHahahahah!!
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Re: I need a little help designing an ass...

Unread postAuthor: Ragnarok » Wed Jun 16, 2010 8:55 pm

Gun Freak wrote:ASS- AirSoft Sniper

Alternatively: Airsoft Sniper System - which might get a few less people on your tail about "Snipers are the person, not the rifle!"

But personally, I'd call it a Conspicuously Ranged Airsoft Project or a Precision Engineered Neoteric Impuls

Error Code 575446: Elephant related database error at line 214. System user trampled. Press any key to continue.
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Does that thing kinda look like a big cat to you?
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Re: I need a little help designing an ass...

Unread postAuthor: Gun Freak » Wed Jun 16, 2010 8:58 pm

Ragnarok wrote:
Gun Freak wrote:ASS- AirSoft Sniper

Alternatively: Airsoft Sniper System - which might get a few less people on your tail about "Snipers are the person, not the rifle!"

But personally, I'd call it a Conspicuously Ranged Airsoft Project or a Precision Engineered Neoteric Impuls

Error Code 575446: Elephant related database error at line 214. System user trampled. Press any key to continue.


Haha I was trying to think of another acronym for it that still said ASS haha but I figured nobody would rat me out cause it ain't for the showcase or anything yet.

I don't get the elephant allusion though :error: haha
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Unread postAuthor: kydavies » Wed Jun 16, 2010 9:21 pm

no my mom got rid of both of my trigger door bolt things NOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO...ect :evil: :evil:
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mikemurph wrote:yea, the ammo has been changed to a more aero dynamic projectile. it consists of the back half of a dart, and a hot glue ball
AHahahahah!!
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