Subject:
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Re: Pneumatic switching circuits
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Newsgroups:
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lugnet.technic
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Date:
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Fri, 28 Jan 2005 05:34:37 GMT
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Viewed:
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2717 times
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<SNIP>
> > So I think I have a way to do this..but I'm running into walls...
>
> I understand the above very well, but I do not understand the stuff below.
OOPS.. I changed diagramming method to a physical ascii art diagram without
clarifying it..
Below is 2 switches actuated by a slider which pushes first one switch handle
(left switch) from far left to far right then when pushed past the far left
switch begins to push the right hand switch from left to right.. at it'f full
travel the slider with the 0 (Think Technic Ball from the ball and socket
stuff)would move past the right hand switch so that on the retracting cycle it
would flip the right then left switches.. thus reversing the order of
operation...
Think of it as an ASCII anitmation...
> >
> >
> > ->---0----
> > \ \
> > SW SW
> >
> > ->---0---
> > | \
> > SW SW
> >
> > ->---0---
> > / \
> > SW SW
> > ->---0---
> > / |
> > SW SW
> >
> > ->---0---
> > / /
> > SW SW
> >
> > and the revers would flip the switches in reverse order!
> >
> > Cool.. Anyone done this? Any ideas The mechanics of it are killing me.. and some
> > of my LEGO.. I already busted 1 axle pin...
> >
> > there are alternatives.. but this one would look the smoothest.. in my opinion..
> > There is of course the old - Break out the RCX and code it answer.. which is a
> > possibility.. but I'm trying to do it all Pneumatic/Mechanical...
>
> I admire you doing it all pneumatically.
>
> I ended up having to have two pistons that were purely timing switches. There
> were races in the circuit where things didn't stay pressured when needed, so the
> two extra pistons/switches were race killers. I've used this circuit for
> quad242, its succesor, and hex363, and phd.
>
> Kevin
hmm.. I'm working hard on fully groking the pneumatic sequencing page..
although with my moshed net connection, It never finished downloading all of the
images (I gave it 4 hours)... I'd get better performance from a 56k modem..
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Message has 1 Reply:
 | | Re: Pneumatic switching circuits
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| (...) I thought that might be what it was. (...) It all started when JP Brown (famous for his Rubik Cube Solver out of LEGO), made the bold statement that you could not do boolean logic using LEGO pneumatics, because of the switches. Inutitively I (...) (20 years ago, 28-Jan-05, to lugnet.technic)
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Message is in Reply To:
| | Re: Pneumatic switching circuits
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| (...) I understand the above very well, but I do not understand the stuff below. (...) I admire you doing it all pneumatically. I ended up having to have two pistons that were purely timing switches. There were races in the circuit where things (...) (20 years ago, 28-Jan-05, to lugnet.technic)
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