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New Valve for Hybird...Maybe

A place to ask general spud cannon related questions.
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New Valve for Hybird...Maybe

Unread postAuthor: Jared Haehnel » Fri Mar 21, 2008 3:35 pm

So I was brain storming new Ideas and I did a few searches but nothing came up besides stuff in pneumatics.
I was thinking on using a piston valve in a hybrid. My idea is based on a coaxial design piston valve. Behind the piston you have a fairly stiff spring that keeps it closed. You charge your gun to a certain mix... and then trigger it. The pressure would build until it was high enough to moves the piston back. Then you have some kind of catch that would keep the piston back to let out all the exhaust gases. My idea would be a spring loaded catch that could be reset before every launch. The piston would have have a fairly good seal against the inside of the pipe.
I know burst disks have a higher flow efficiency but this would (if it works) give a bit more precise settings on when the valve opened and be reusable and easily resettable...
Thats my brainstorm... any thoughts?

Edit: Probably won't be around again until Monday....
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My current projects....

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http://www.spudfiles.com/forums/my-new- ... rt,15.html
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Unread postAuthor: LikimysCrotchus5 » Fri Mar 21, 2008 4:05 pm

Well, to say the truth, A piston valve has been done already, by _Fnord.

You can look for his cannon in the showcase, i dont wanna get the link :)
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4SPC, My 4" piston 3" porting cannon
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Unread postAuthor: daberno123 » Fri Mar 21, 2008 4:23 pm

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Unread postAuthor: SpudFarm » Fri Mar 21, 2008 4:42 pm

DO NOT FORGET GALFISK!!
he has the piston gun up and running the only thing that has to be fixed is a bad regulator for the gass...

i talk to him daily and he has another hobby (sadly he was a good man on the spudtech) so the hybrid will have to wait he says... [size=0]he is a pyro man now[/size]
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Unread postAuthor: Jared Haehnel » Mon Mar 24, 2008 6:58 am

Dang just when you think you have a good idea some else has already taken it... 8)
Thanks for the info....
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My current projects....

Currently buying part for...
http://www.spudfiles.com/forums/my-new- ... rt,15.html
Still on the drawing board...
C02 tank hybrid
Screen doors for submarines...
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