Subject:
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Re: pneumatic cylinder: why not hydraulic ??
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Newsgroups:
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lugnet.technic
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Date:
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Thu, 8 Apr 2004 15:31:38 GMT
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Viewed:
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5463 times
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In lugnet.technic, Kevin L. Clague wrote:
<snip>
>
> I have created a pneumatic polarity reversor using four pneumatic switches.
>
> I did an analysis and my pneumatic multiplexor works as a hydraulic switch that
> does not have a free release.
>
> http://www.brickshelf.com/gallery/kclague/Computing/p5280146.jpg
>
> The above picture contains two pneumatic multiplexers. One facing us, and the
> other away from us. For example, the gray hoses work with one mux, the black
> (on the opposite face) work with the other.
>
> I use these to do the polarity reversing needed to make my pneumatic quadraped
> and hexapods be able to modify their walking behavior.
>
> The interesting thing to note is that no matter what way the switches are
> flipped there is no release. Using one of these muxes gives you a hydraulic
> switch with *no free release*.
Actually this multiplexer is more efficient because it uses less parts:
http://www.brickshelf.com/gallery/kclague/Computing/p6050069.jpg
Kevin
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Message has 1 Reply:
 | | Re: pneumatic cylinder: why not hydraulic ??
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| (...) I get the impression you've complicated things by putting different switches at different lever angles. My reverser idea puts the switch lever pivots 16mm apart, all in a line with 2-beams between: BSBSBSBSB along a beam of length 17 holes, so (...) (22 years ago, 8-Apr-04, to lugnet.technic)
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Message is in Reply To:
| | Re: pneumatic cylinder: why not hydraulic ??
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| (...) I have created a pneumatic polarity reversor using four pneumatic switches. I did an analysis and my pneumatic multiplexor works as a hydraulic switch that does not have a free release. (URL) above picture contains two pneumatic multiplexers. (...) (22 years ago, 8-Apr-04, to lugnet.technic)
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