Subject:
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Re: rtlToronto11 Event Rules Posted
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Newsgroups:
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lugnet.org.ca.rtltoronto
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Date:
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Sat, 11 May 2002 19:50:44 GMT
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Viewed:
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439 times
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In lugnet.org.ca.rtltoronto, Rob Stehlik writes:
> In lugnet.org.ca.rtltoronto, W. Paul Nicholson writes:
> > In lugnet.org.ca.rtltoronto, Trevyn Watson writes:
<snip>
> Unfortunately, that mechanism is more academic in principle than practical.
Yeah, I tried to build it myself. I found it to be unreliable for a
practical application. However, it did get me thinking about other
configurations for this type of device. Mario and Giulio Ferrari's book has
a couple of good examples for overcoming the RCX's power out limitations. I
am glad to see Trevyn is thinking along this path too.
> A two way direction splitter is much simpler and compact. The best way to do
> this is with a differential. Just ratchet the output gears in opposite
> directions, and you have a simple, reliable direction splitter. I used this
> to control two pneumatic valves with one motor:
> http://www.ecf.utoronto.ca/~stehlik/images/robots/projX/VSU2.jpg
> Rob
Very neat and compact! Correct me if I am wrong, this device yields two
outputs, but not with bi-directional output. I'm working on using two motors
so I can get control over multiple outputs via a rack and pinion c/w
bi-directional output.
Paul
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Message is in Reply To:
 | | Re: rtlToronto11 Event Rules Posted
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| (...) A two way direction splitter is much simpler and compact. The best way to do this is with a differential. Just ratchet the output gears in opposite directions, and you have a simple, reliable direction splitter. I used this to control two (...) (22 years ago, 11-May-02, to lugnet.org.ca.rtltoronto)
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