Subject:
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Re: MOC - Small Pneumatic Biped Walker
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Newsgroups:
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lugnet.technic, lugnet.robotics
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Date:
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Tue, 17 Jun 2003 20:31:43 GMT
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Viewed:
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2128 times
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In lugnet.technic, Kevin L. Clague wrote:
> In lugnet.technic, Paul Krieg wrote:
> > Hi Kevin,
> > What can I say? Yet another amazing creation. You have a pneumatic control
> > circuit in there somewhere, I think. I know what you mean about the small
> > pneumatic cylinders needing such high pressure to move a switch. The engine I
> > built following Eric Shrader's post over came this problem in the same way.
> > Instead of having 2 cylinders at 90 degrees and 2 switches, it has 2 cylinders
> > at 180 degrees and 1 switch. I have yet to build my first walker but I enjoy
> > seeing all of them. It seems obvious to me that cog shifters would be the more
> > challenging. Nice work in doing it with pneumatics, my favorite flavor!
>
> Hi Paul,
> I use a electronic schematic style when drawing out my pneumatic circuit
> designs these days. The combination of a piston that is linke to a pneumatic
> switch is simply a box, with X and C on the left edge, representing the eXpand
> and Contract ports of a piston, and X and C on the right edge representing the
> output ports of the switch that are active when the piston is eXpanded or
> Contracted. See the bottom of the schematic for clarification of my notation
> style.
>
> Here is the schematic of Pedmatic (not pendmatic as the directory name indicates
> :^(. Let me know if this notation makes sense to you.
>
> http://www.brickshelf.com/gallery/kclague/pendmatic/schematic.jpg
Yes, I believe it does make sense as long as I remember the left side of the box
is always the piston and the right always the switch. I have been using hand
drawings and my head. Without a good method for creating drawings they can
become confusing. I'm not used to reading this type of diagram nor do I have
any traing in electronics, engineering, etc., so, your notation must be clear if
I understand it.
Regards,
Paul
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Message is in Reply To:
 | | Re: MOC - Small Pneumatic Biped Walker
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| (...) Hi Paul, I use a electronic schematic style when drawing out my pneumatic circuit designs these days. The combination of a piston that is linke to a pneumatic switch is simply a box, with X and C on the left edge, representing the eXpand and (...) (21 years ago, 16-Jun-03, to lugnet.technic, lugnet.robotics)
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