Subject:
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Re: More juice out of the standard motors.
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 13 Mar 2001 13:12:58 GMT
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Viewed:
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445 times
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Eric Sophie wrote:
> Tricky , Tricky, here's the dilly, 8 to 24 tooth makes the fastest, but low
> output power, try to find the proper combo so your motors don't work to
> hard, add a worm gear to hold off the back spin,
In general terms, worm gears are less efficient than standard gears as they
have more inherent friction - essentially, driving a worm gear is like pushing
something up an inclined slope. How much this translates into a lego system I
have no idea, but I feel an experiment or two coming on :-)
> then try some more gears to
> get the speed you need, it's kind of hard to say since I'm not sure what
> your building and there are so many possibilites...
A good general purpose combination I've found is to reduce the output of the
Mindstorms motors by nine (8 to 24 tooth twice), which gives a fair amount of
power at a reasonable speed. My skid steer loader uses two motors at this ratio
and is surprisingly powerful:
http://www.telepresence.strath.ac.uk/jen/lego/skidsteer.htm
Jennifer Clark
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Message is in Reply To:
 | | Re: More juice out of the standard motors.
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| Tricky , Tricky, here's the dilly, 8 to 24 tooth makes the fastest, but low output power, try to find the proper combo so your motors don't work to hard, add a worm gear to hold off the back spin, then try some more gears to get the speed you need, (...) (23 years ago, 12-Mar-01, to lugnet.robotics)
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