Subject:
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Differentials on Tanks
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 14 Sep 2001 22:21:38 GMT
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Original-From:
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Sean Watson <SeanWatson@ec.rr[nospam].com>
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Viewed:
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436 times
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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 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
SeanWatson@ec.rr.com
http://home.ec.rr.com/seanwatson/
"There's a difference between knowing the path...and walking it..." -
Morpheus
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Message has 2 Replies:
 | | Re: Differentials on Tanks
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| If you use two differentials you can build a tank chassis that drives very straight. The key is to have one side of one of the differentials "flipped" in rotational direction. Its hard to do with ASCII art, but here's a view from above.... (...) (23 years ago, 15-Sep-01, to lugnet.robotics)
| | | Re: Differentials on Tanks
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| (...) Sean, you can find one on my website, (URL) 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 (...) (23 years ago, 15-Sep-01, to lugnet.robotics)
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