P. 2 Very Simple airgun1!

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SpudFiles Forum Index » BBMG/Strafer Showcase » P. 2 Very Simple airgun1!

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P. 2 Very Simple airgun1!

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ant

Posted: 02/28/2008 9:41 AM Post subject: Re: how does it work

Lieutenant Colonel

Joined: 13 Aug 2006
Posts: 469
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littlebro05 wrote:

Hey here is an animation of how it works. As though this is an animation of one of my other airguns, this one works similar; just that the valve is inside the bottle.

If you dont get this one plz send another msg as I dont have much time now to explain.

littlebro05

Posted: 02/28/2008 15:35 PM Post subject:

Master Sergeant

Joined: 17 Oct 2007
Posts: 173
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Yeah i've seen it i love it... lol it' looks mad, though i was just wondering if that's how the air gun works ... what i wrote above was right?

The hammer works like that pushes on ball valve trigger i pulled... valve closes and hammer pushes forwards? because if that's how it works then i might be able to pull it off

Brian the brain

Posted: 02/28/2008 16:34 PM Post subject:

Dutch Spud Clan Leader
Major General

Joined: 05 Dec 2005
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Defenitely something interesting and undeniably Dutch going on here...

I tried to make this once...years ago...and failed horribly.
I had to throw it' s plywood carcas in the bin pretty quickly...
I couldn' t get the valve to seal.

ant

Posted: 02/29/2008 14:50 PM Post subject:

Lieutenant Colonel

Joined: 13 Aug 2006
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Brian the brain wrote:

On this pic you can c that I used a piece of silicon tubing to make sure the whole system seals off. I tried melting the ball bearing into the plastic bottle cap but this didnt make it 100% airtight.

littlebro05 wrote:

The hammer works like that pushes on ball valve trigger i pulled... valve closes and hammer pushes forwards? because if that's how it works then i might be able to pull it off

I am not sure what u mean man. I am sorry. But it works like this: the barrel is pulled foward so that the barrel spring is pressured'', then when the trigger is pullled the barrel slides back takin a bb and sealin the barrel. When it hits the valve its energy will be converted to the valve. This makes it open for a certain time. Due to the air pressure and spring behind the valve it closes after a small burst of air has been let out''. So yeah its basic. The only problem is with loading as the balls sometimes jam the barrel. Hope this helped

littlebro05

Posted: 02/29/2008 15:50 PM Post subject: burst air not piston?

Master Sergeant

Joined: 17 Oct 2007
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So what your saying is that the gun fires a bb with a burst of air not by
a piston? and it works like....

The spring infront of the barrel drags the barrel / hammer back with the bb... when the trigger is pulled

and eventually hits the air valve releasing a burst of air shooting the bb out of the barrel?

cause it sounds like it will have a lot jamming problems is all... but i'll try it still

ant

Posted: 07/23/2008 18:22 PM Post subject: Re: how does it work

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newbmatic wrote:

I have just seen one of your amazing homemade air guns. The one that I am very interested in is the one that uses thing thats like a hammer valve. If you could just send me a quick diagram on where everything goes and a real quick explanation as well.

First of all we will look at the poppet valve I used in this project:

Its a ballbearing with a piece of silicon tubing around it that seals the cap of the bottle. The pvc pipe in the bottle is there to support the spring and to give it pretension.
If you have this:

And it doesnt leak you are on to the next step of making the hammer barrel.

It works like this pic below: (be aware that it is a diagram from my most recent gun)

The barrel is cocked in a forward position so that the barrel spring has tension. The trigger catches the a small latch on the barrel. Now it is fully cocked. The trigger is spring loaded so it moves into place automatically. Now that the barrel is in the forward position the loading port for bbs is open so that a bb can fall into the barrel. Btw I use pipping around the barrel to guide the barrel along.
Now when the trigger is pulled due to the pressure of the spring the barrel moves backwards (fast) and closes the loading port. When it is farthest back it hits the ball bearings face and a burst of air is released that propelles the bb. Now the shooter can recock the system for another shot manually using the latch attached to the barrel.
I am sorry that I dont have extra visuals, but at the moment I dont have the opportunity to make ehm. So hopefully this will work out.
I had a better animation in powerpoint but I cant find it no more:S

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