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scottcrete
PostPosted: 04/03/2008 6:17 AM    Post subject: Reply with quote

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great gun.. i was in fear for the fairlady sitting there.....
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WEEMAN
PostPosted: 04/03/2008 12:25 PM    Post subject: Reply with quote

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thats awesome!!!!!!!!!!!
but now the question comes can you make it better? Shocked
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Tater Salad
PostPosted: 04/10/2008 18:26 PM    Post subject: Reply with quote

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i love the piston setup, but i bet you could reduce the recoil of the gun by having it flip up to parallel the chamber and barrel in over/under style, so the piston is firing the same direction as the golf ball, and by reducing recoil you can probably help preserve the life of the gun, and reduce potential risks and misfires.
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Thunderbug
PostPosted: 04/16/2008 19:17 PM    Post subject: Reply with quote

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Clide, completely reworking and putting in linkages etc. may be the next step, but you sure took a H***uva first step.

I'm doing mindwork on a smaller steel version of the HEAR valve.
I like the o-rings, but in need of a lathe, I am going in the direction of more flappy valving. Something kitchentable-ish.

Aiming for a .177/.22 pellet chucker, I might start somewhere in the middle.
I've always liked the idea of self-stabilized projectiles (fins or weight differences). Lead-tipped cardboard tubes?

Anyway, first thing is the valve.

Good luck with your further projects!
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mattyp
PostPosted: 05/08/2008 0:14 AM    Post subject: Reply with quote

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outstanding gun
just one question how does the ball stop work
could someone please explain
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Lentamentalisk
PostPosted: 05/08/2008 1:47 AM    Post subject: Reply with quote

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It stops the ball. There is a little lip or bit of friction or something. Use your imagination.
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clide
PostPosted: 05/08/2008 21:35 PM    Post subject: Reply with quote

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The ball stop is just a piece of hanger wire that extends into the barrel. It interferes with the ball so it can't roll forward. When the bolt moves forward the wedge shape allows the bolt to push it down and out of the way. That little red piece in the animation represents the actual ball stop fairly accurately.
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drunkii
PostPosted: 07/18/2008 10:00 AM    Post subject: Reply with quote

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your sick dude
that gun owns!!!!
Cool
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The Engineer
PostPosted: 11/19/2008 23:03 PM    Post subject: Reply with quote

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I've looked into this, and have come to realize that this is the most efficient valve on the website (so far as i can tell), at least for semi-automatic. I have been working on a design for a semi-auto airsoft gun for some time now. I know there are diagrams up, but I'm not sure I understand them.

Q1: If the trigger is held down, is it fully automatic?

Q2: How exactly does the trigger work?
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MrCrowley
PostPosted: 11/19/2008 23:53 PM    Post subject: Reply with quote

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The Engineer wrote:
I've looked into this, and have come to realize that this is the most efficient valve on the website (so far as i can tell), at least for semi-automatic. I have been working on a design for a semi-auto airsoft gun for some time now. I know there are diagrams up, but I'm not sure I understand them.

Q1: If the trigger is held down, is it fully automatic?

Q2: How exactly does the trigger work?

A2: IIRC, the trigger is just a sear.
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SEAKING9006
PostPosted: 11/22/2008 20:53 PM    Post subject: Reply with quote

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Yeah, it is. He said the only thing keeping it semi-auto was trigger discipline. Laughing
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lateral4
PostPosted: 03/12/2009 12:51 PM    Post subject: question Reply with quote

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do you have plans for your valve? I would love to make one.
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Hubb
PostPosted: 03/12/2009 13:01 PM    Post subject: Re: question Reply with quote

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lateral4 wrote:
do you have plans for your valve? I would love to make one.


http://gbcannon.com/pics/GBSemi/gbsemi.gif

That's probably as good as it's gonna get.
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Carlman
PostPosted: 03/12/2009 13:09 PM    Post subject: Reply with quote

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Every bloody time someone links to an old topic someone has to post in it.

Check the dates and spudfiles does not allow/condone asking for plans rather let you do your homework and find out for youself.

You would of found that site yourself had you of searched.
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chrissilvermancs
PostPosted: 03/17/2009 21:43 PM    Post subject: Reply with quote

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i was looking at your animations and i cant figure out why the bottom bolt dose not want to go right (i am vary curious and im bacing a auto design on this but without springs) and i would think when the trigger is not down the piston shoot right through that little hole. please get back to me.
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