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 P. 2 Very Simple airgun1! « View previous topic :: View next topic » 
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ant
PostPosted: 01/15/2008 5:42 AM    Post subject: P. 2 Very Simple airgun1! Reply with quote

Lieutenant Colonel
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Joined: 13 Aug 2006
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This valve is one of the most simple ones I made.
You need:
5cm long spring
pcv pipe the lenght of your pressure bottle (where the spring fits in)
a steel bearing as valve
a small silicon tube to put over the bearing
a barrel pipe
a pipe that fits over the barrel
some wood

In this gun the bottle and the valve are inline with the barrel. This makes it hard to aim, but gives you a very simpel and working airgun. It shoots around 250-300ft/s. In this case the barrel is the hammer again (like in my other project, but in this case the valve is inside the pressure bottle which makes an easy seal.
In the pictures I havent shown the barrel and its pipping as I used it for other guns. But its really startforward; the barrel is cocked forward a ball falls in the barrel, when the trigger is pulled the loading port closes as the barrel slides backwards as it hits the valve.


Link

Link



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This one works the same way but has a smaller body and a LASER pointer.
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Last edited by ant on 03/30/2008 11:08 AM; edited 5 times in total
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experament-u2
PostPosted: 01/15/2008 6:00 AM    Post subject: Reply with quote

Lieutenant Colonel
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thats brilliant very nice and simple, great job
any chance you can do a break down of the hammer and sear system to?
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jackssmirkingrevenge
PostPosted: 01/15/2008 6:17 AM    Post subject: Reply with quote

space monkey
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Joined: 15 Mar 2007
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Quote:
But its really startforward; the barrel is cocked forward a ball falls in the barrel, when the trigger is pulled the loading port closes as the barrel slides backwards as it hits the valve.


Now if only you could fit an electric motor that pushes the barrel forward for you...
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ant
PostPosted: 01/15/2008 6:34 AM    Post subject: Reply with quote

Lieutenant Colonel
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Joined: 13 Aug 2006
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jackssmirkingrevenge wrote:
Quote:
But its really startforward; the barrel is cocked forward a ball falls in the barrel, when the trigger is pulled the loading port closes as the barrel slides backwards as it hits the valve.


Now if only you could fit an electric motor that pushes the barrel forward for you...


Yeah its that simple

experament-u2 wrote:
thats brilliant very nice and simple, great job
any chance you can do a break down of the hammer and sear system to?


The hammer is the barrel but then a bit bent in so it has a smaller radius.
The sear as you call it isnt here in this gun as its blowforward and the trigger already turns the correct direction
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ant
PostPosted: 01/15/2008 6:42 AM    Post subject: Reply with quote

Lieutenant Colonel
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experament-u2 wrote:
thats brilliant very nice and simple, great job
any chance you can do a break down of the hammer and sear system to?


Some triggers including the gun



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older projects
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jackssmirkingrevenge
PostPosted: 01/15/2008 8:05 AM    Post subject: Reply with quote

space monkey
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ant wrote:
Yeah its that simple


go on then, give us an air machinegun Smile
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ant
PostPosted: 01/15/2008 8:32 AM    Post subject: Reply with quote

Lieutenant Colonel
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jackssmirkingrevenge wrote:
ant wrote:
Yeah its that simple


go on then, give us an air machinegun Smile


lol I meant the one in this post> simple airgun
Btw I have a airgun I am working on now and its auto but its cycle rate is way too high to reload. It consists of my hammer/barrel airgun with two pipes above each other. One is closes and used for recocking and the other one(top) is used as barrel. This thus consists of two valves. Its funny I found this out when my airgun jammed in a bb fight and it started cycling automatic.
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Tom
PostPosted: 01/15/2008 14:40 PM    Post subject: Reply with quote

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@Ant
I made a valve in the cap of a two-liter PET-bottle. I was wondering how dit you make the connection from the cap from the bottle to the barrel/ feed system? Also quite impressive work!
GR.from the Dutch, Tom
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battlemonkey
PostPosted: 01/15/2008 14:49 PM    Post subject: Reply with quote

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Very nice, very simple. I like it! Very Happy
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ALIHISGREAT
PostPosted: 01/15/2008 15:03 PM    Post subject: Reply with quote

Eternal Noob
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i dub thee king of origional and slightly ghetto pnuematic guns!
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ant
PostPosted: 01/15/2008 15:12 PM    Post subject: Reply with quote

Lieutenant Colonel
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Tom wrote:
@Ant
I made a valve in the cap of a two-liter PET-bottle. I was wondering how dit you make the connection from the cap from the bottle to the barrel/ feed system? Also quite impressive work!
GR.from the Dutch, Tom


There isnt really a connection between the bottle and the outerbarrel pipe. I just put a rubber tube over that tube and thus it made it seal of; nothing fancy. This outerbarrelpipe is used as slide for the barrel as I did so in my other designs
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Tom
PostPosted: 01/16/2008 9:29 AM    Post subject: Reply with quote

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Can you make a little picrure of the cap and barrel slider? I stil don't get it Very Happy Don't you have any problems with the piston?
Greeetings from the Dutch, Tom
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ant
PostPosted: 01/16/2008 15:23 PM    Post subject: Reply with quote

Lieutenant Colonel
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Tom wrote:
Can you make a little picrure of the cap and barrel slider? I stil don't get it Very Happy Don't you have any problems with the piston?
Greeetings from the Dutch, Tom


Check my P. 4 the barrel system works the same way. As I said I took the gun apart so I can make more pictures. Btw this gun doesnt have a piston, I am not sure what u mean by that. The valve(ball) is hit opened by the barrel and is closed again by the airpressure and the spring behind it.

I made a diagram on the original picture. Just check that out, hope it works out.
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littlebro05
PostPosted: 02/28/2008 5:18 AM    Post subject: how does it work Reply with quote

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Is this how it works? cause i think i'm going to make one for skirmishing with my friends since i live in Australia.

The piston sitting on the O-ring is building up pressure when the air valve (ball bearing).

When you pull the trigger the hammer pushes forward shooting a bb and at the same time the ball valve closes until the hammer is repositioned on the ball valve, pushing the bearing in again and therefore rebuilding the pressure in the hammer.

and the process is repeated until the air has run out...

just a question how does it reposition itself on the valve after it's been fired
and it should be able to fire arts and craft beads? damn Australia and it's bb's law
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ajdevi92
PostPosted: 02/28/2008 6:07 AM    Post subject: Reply with quote

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i know exactely how you feel mate i live in adelaide, SA i use necklace beads n stuff like that. ive also made exactely the same gun exepte with different pics of valve and stuff like that

http://www.spudfiles.com/forums/viewtopic.php?t=12971&
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