Subject:
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Re: electric pneumatic valve actuators?
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Newsgroups:
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lugnet.technic
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Date:
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Fri, 27 Aug 2004 00:21:08 GMT
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Viewed:
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3558 times
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In lugnet.technic, Jon Gilchrist wrote:
> "Joe Strout" <joe@strout.net> wrote:
> > Have you seen any of these, or something else entirely, to control the flow of
> > air with standard LEGO 9V electronics?
>
> Now you've got me thinking. I wonder if I could make a pump or
> cylinder into a valve....
I've always thought a valve with similar form factor to a large cylinder, that
works like a steam engine valve
http://home.new.rr.com/trumpetb/loco/rodsmall.gif would be really nice. It would
probably have significantly less resistance than a standard LEGO valve, and more
importantly, provides "sink" outputs, making closed circuits much easier. I have
no idea why LEGO doesn't produce something like this, but I guess there's no
reason some enterprising AFOL couldn't ;)
ROSCO
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Message is in Reply To:
 | | Re: electric pneumatic valve actuators?
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| (...) I got thinking about this. My first thought was to use a worm gear and a slip gear to pinch and unpinch the tube. This would probably work, but would not give you what you want. You need a valve that will exhaust the flow to a different path (...) (20 years ago, 26-Aug-04, to lugnet.technic)
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