Subject:
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Re: Fun with MindStorms Rotational Sensors
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 3 Jun 1999 14:35:48 GMT
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Viewed:
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1303 times
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I had two of these gearing down blocks, one of each type. They must
both have stripped gears in side now because they both slip when
under strain. The 2x4x3 square gearing down block must have used
a worm gear because you could not use it to gear up. The other type
could not be used to gear up a motor, too hard work for a motor(not
sure about the new type motors though).
S. Crawshaw wrote in message ...
> On Thu, 3 Jun 1999, Ben Williamson wrote: • .......
> BTW, does anyone know why Lego have discontinued the old gearing down
> units? (These were sealed bricks with 1 to 20 (I think) gearing inside,
> which had much less friction and backlash than a normal gear train)
> Combined with the rotation sensor, this would give almost 1 degree
> resolution, which would be enough for almost any robot project.
>
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Message is in Reply To:
 | | Re: Fun with MindStorms Rotational Sensors
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| (...) It _is_ my field (I do control system research), but I won't go into great depth - I don't think this is the right forum! I've tried this too - and it sort of worked (using just proportional feedback I can control a shaft's position _fairly_ (...) (25 years ago, 3-Jun-99, to lugnet.robotics)
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