Subject:
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Re: ok, time for a stupid question...
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 19 Jan 1999 16:52:13 GMT
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Original-From:
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alex wetmore <alex@phred.AVOIDSPAMorg>
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Viewed:
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1053 times
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On Tue, 19 Jan 1999, Mark Tarrabain wrote:
> dave madden wrote:
> > That's a common use in the real world. You can also make mechanical
> > adding and subtracting devices from them. Somebody posted a URL with
> > a picture of a Lego(r) system that takes rotary inputs A and B, and,
> > with two differentials and a few other gears, produces rotary outputs
> > (A+B) and (A-B), but I can't find it now. If you're interested, you
> > can probably find it in the archives, or I can build one and post
> > pictures.
>
> I believe the one you are referring to is found at:
> http://carol.wins.uva.nl/~leo/lego/diff.html
and http://www.phred.org/~alex/lego shows some applications of the
adder/subtractors (one is very close to Leo's design and the uses
the differentials a bit differently and is more efficient for the
purposes of wheeled and tracked vehicles).
alex
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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