Subject:
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Re: Differentials on Tanks
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Newsgroups:
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lugnet.robotics
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Date:
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Sat, 15 Sep 2001 03:25:40 GMT
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Viewed:
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567 times
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In lugnet.robotics, "Sean Watson" <SeanWatson@ec.rr.com> writes:
> I am having a real problem. I want to use a tank for my basic design,
> but I have to build one that can go perfectly straight. Well, not
> perfectly straight, but as close as possible. My problem is that I think
> one of my motors is much more powerful than the other. I have tried
> switching the motors to verify this. I have also tried many different
> gear ratios. I know that differentials are good for handling this sort
> of thing, but I can't seen to come up with a tank design that implements
> a differential. Anyone had any luck in this area?
>
> Sean Watson
Sean, you can find one on my website, http://www3.sympatico.ca/jdkalpin.
'The Lego Lugger' is a tracked vehicle in which the error between the two
driven tracks is measured using a differential and encoder (revolution
counter). Software (in this case ROBOLAB) corrects to allow it to track
straight. It can also receive steering directions from a 'remote' or
another RCX. It was designed as a wide-body minimum parts platform for
datalogging. I have included building instructions and an MLCAD.DAT file.
Jerry
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Message is in Reply To:
 | | Differentials on Tanks
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| I am having a real problem. I want to use a tank for my basic design, but I have to build one that can go perfectly straight. Well, not perfectly straight, but as close as possible. My problem is that I think one of my motors is much more powerful (...) (23 years ago, 14-Sep-01, to lugnet.robotics)
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