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 16:37:19 GMT
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Viewed:
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445 times
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In lugnet.org.ca.rtltoronto, W. Paul Nicholson writes:
> In lugnet.org.ca.rtltoronto, Trevyn Watson writes:
> > I cant think of anything for these rules that doesnt require
> > more than one RCX.
> How about utilizing a device to get multiple outputs from just one or two
> motors? Check out:
>
> http://www.ecf.utoronto.ca/~stehlik/fw2.html
Unfortunately, that mechanism is more academic in principle than practical.
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
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Message has 2 Replies:
 | | Re: rtlToronto11 Event Rules Posted
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| (...) <snip> (...) 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 (...) (22 years ago, 11-May-02, to lugnet.org.ca.rtltoronto)
| | | Re: rtlToronto11 Event Rules Posted
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| (...) Rob, I noticed that you put half bushings on the ends of the axles inside the differential. what purpose does this serve? when I put together a differential, I just put the gears on the end of the axle. the end. What am I missing? -- Chris (...) (22 years ago, 12-May-02, to lugnet.org.ca.rtltoronto)
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