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Semi-Auto valve idea

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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Semi-Auto valve idea

Unread postAuthor: us sniper » Wed Aug 01, 2007 12:09 am

I was wondering if this valve would work. It is similar to a system that is used on a real marker but with some changes because I do not have a lot of hi tech tools. It would run off co2 regulated down to the highest psi rating of copper pipe. Does it increase the rating if the whole length of the copper pipe is covered by a coupling or a cap? I do not think that this valve would be good fo auto because the co2 would not be as pressurized as the first shot and be a lot weaker depending on how fast the regulator is. Here is the valve:
http://s153.photobucket.com/albums/s240 ... cValve.jpg
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Unread postAuthor: spud yeti » Wed Aug 01, 2007 12:17 am

It looks like it might work, but how does the air escape? Building the trigger system will be really hard too.
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really good quote/phrase here
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Unread postAuthor: us sniper » Wed Aug 01, 2007 12:32 am

The air escapes after the slide is pushed forward by the pressurized air. The spring is not very powerful it is only to push the slide behind the trigger mechanism. the slide support as slots cut in it to allow air to pass through it.
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Unread postAuthor: spud yeti » Wed Aug 01, 2007 5:30 am

O, OK right, couldnt deduce that from the picture. It should work pretty well, but as I said, to make the trigger setupwork well could prove to be very difficult, but the design is worth trying at least :wink:
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Last edited by spud yeti on Wed Aug 01, 2007 8:30 am, edited 1 time in total.
really good quote/phrase here
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Unread postAuthor: jackssmirkingrevenge » Wed Aug 01, 2007 6:05 am

spud yeti wrote:O, OK right, couldnt deduct that from the picture.


Deduct? Deduce.

jackssmirkingrevenge - also commited to grammar facism, for the glory of the spud reich!
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Unread postAuthor: spud yeti » Wed Aug 01, 2007 8:19 am

Sorry JSR, the "T" and "E" are very close on the keyboard :wink:
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really good quote/phrase here
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Unread postAuthor: jackssmirkingrevenge » Wed Aug 01, 2007 8:23 am

I know, I know. Im in a mood :D
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Unread postAuthor: spud yeti » Wed Aug 01, 2007 8:28 am

Haha, I know what you mean, but its still good of you just to keep an eye out for bad English...Nothing irritates me more than it!

P.S. Note the edit above
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really good quote/phrase here
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Unread postAuthor: us sniper » Tue Aug 07, 2007 1:22 am

Sorry to respond so late, but what would be wrong with the trigger. It does not matter how fast the trigger is pulled, the pressured co2 is what forces the slide forward fast. It is just like an airsoft gun trigger except is is air tight.
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Unread postAuthor: Redcoat » Tue Aug 07, 2007 5:07 am

im sort of tired rightj noww but so sorry aboutj the keys withn me msisng and all but is the bb supossed to be hit by the slide support wichh is pushed forward by the presurized Co2?

Bed time.

Hapy SPudiin'
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Poo.
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Unread postAuthor: spud yeti » Tue Aug 07, 2007 1:16 pm

No, I meant that making those cogs and stuff to work perfectly is going to be difficult.
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Unread postAuthor: Modderxtrordanare » Tue Aug 07, 2007 1:22 pm

spud yeti wrote:No, I meant that making those cogs and stuff to work perfectly is going to be difficult.
\

Don't use cogs then? There are other ways around it, just have to think outside the box a little. :)
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Spudding since '05. Proud waster of plumbing and plumbing accessories.

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-How-To: Modding a Sprinkler Valve
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Unread postAuthor: iknowmy3tables » Tue Aug 07, 2007 2:18 pm

you could also use the designs for homemade spring piston nerf and airsoft guns

I think you missing the whole popet valve isn't that the main valve that the slide is hitting in the paint ball gun, in spud guns we use more powerful air operated valves like sprinkler valves and piston valves
when using a sprinkler valve the setup is more like a comercail toilet or urinal, a needle valve of flow control valve filling the chammber, and with piston a 3way valve works nicely for fill and acuation, I think this is much more effective in larger scale high powered guns
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Unread postAuthor: us sniper » Tue Aug 07, 2007 6:53 pm

Redcoat- the slide would not be for hitting the paintball when it moves forward it pushes the paintball out of the magazine and releases the co2 which pushes the ball.
Iknow- the slide is not for pushing the pin that releases the air, the slide is what releases the air.
Modder- thank you for the idea, it does seem a lot easier.

Here is where my idea came from. I made it inside out because I thought this way would work better and I do not have the right tools to make it.
http://www.ultratwistedpaintball.biz/mm ... mation.gif
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Unread postAuthor: jaffe » Sat Aug 11, 2007 2:30 pm

You can use the washer trigger system, in the nerf world it´s very populair with homemade´s.
Greetings from the Dutch, Jaffe
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