Subject:
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Re: Fishing for a tasty linkage/gearing/robotic building thread...
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 13 May 1999 21:59:30 GMT
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Viewed:
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1659 times
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Wes Matchett wrote:
> "S. Crawshaw" wrote:
>
> > On Thu, 13 May 1999, Paul Speed wrote:
> >
> > > Or third, a synchro drive constrained to a ninety degree
> > > throw. This is simpler than the independent wheels since it doesn't • <snip>
> > > The most complicated part of this will be getting the drive train
> > > snaked through whatever rotation assembly you have. Most of the
> > > synchro drives you will see examples of use the turntable pieces.
> >
> > Surely the only reason there's usually complication is that the assembly
> > needs to be able to rotate any amount in either direction. If 0-90 degrees
> > is the total range, then there are lots of really simple solutions.
> >
> > [This next bit is irrelevant to the 0-90 constrained synchro drive]
> >
> > > I do not have any of these so I have experimented with several
> > > other linkages. I won't go into them here... they are an
> > > implementation detail.
> >
> > That's a bit of an understatement - and I'd love to hear how many other
> > ways you found to make a synchro drive: I've only heard of one way
> > that doesn't use a turntable (uses a differential instead)
>
> I have a fully functional version that doesn't use either - or any special
> parts. I wish I had a digital camera to take some decent pictures. I have one
> photo taken with a Polaroid. I'll put it on my web site tonight.
Here it is as promised: http://www.mnsinc.com/wesmat/lego/MindStorms.html
I finally got around to creating a Mindstorms site. Now if I can just work out the
details of paying for a digital camera.....
-Wes
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