Subject:
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Re: The latest rage in pneumatic computing
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Newsgroups:
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lugnet.technic, lugnet.robotics
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Date:
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Sun, 22 Jun 2003 11:43:06 GMT
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Viewed:
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227 times
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In lugnet.technic, Kevin L. Clague wrote:
> >
> > I've got a bitmap made of the schematic for my 13 switch full adder.
> > It's strictly representative, and not meant to imply how the switches
> > would be positioned in the final mechanism. Hopefully it's
> > comprehensible to other people.
> >
> > http://www.members.shaw.ca/markt1964/fulladder.jpg
> >
> > I've color-coded the various portions of the tubing because the
> > "spaghetti wiring" I've drawn here would probably be completely
> > unreadable otherwise.
> >
> > The idea is that each group of switches that is grouped together on a
> > single box would be ganged together onto a single piston, requiring a
> > total of three pistons. The switches would be hooked up to the pistons
> > such that when air is applied to the piston attached to it, the switch
> > would slide "upwards" as it appears in the diagram. A mechanism to do
> > this is simple to build -- Kevin's implementation of my one-piston AND
> > gate would be a viable starting point for each switch set. Anyways,
> > each set of switches could be ganged onto a piston and positioned
> > anywhere that is convenient for the model, all that's really required to
> > connect between them is pneumatic tubing.
>
> Mark, each switch in your diagram has three ports. To understand your diagram I
> need to know which port is which.... Is the bottom port the inlet, and the top
> two the outlets?
Arrow heads showing which direction you expect the air to flow (not including
release) would be helpful also. I've tried to figure it out, but I've not had a
lot of luck.
> > > > Mark
>
> Kevin
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Message has 1 Reply:
 | | Re: The latest rage in pneumatic computing
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| (...) Okay... I've added arrowheads to each line showing air flow direction. The switches are set up so that the center port is the conventional inlet, and the top and bottom ports the outlets. I say conventional, because I don't always use it that (...) (21 years ago, 22-Jun-03, to lugnet.technic, lugnet.robotics)
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Message is in Reply To:
| | Re: The latest rage in pneumatic computing
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| (...) Well, I didn't invent the single piston gate. I give credit where credit is due. As I said in a previous post. Your single piston AND gate design was inspirational. I talked myself out of this in the past because I could not figure out how to (...) (21 years ago, 22-Jun-03, to lugnet.technic, lugnet.robotics)
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