Subject:
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Re: Efficiency was: Generating power
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 16 Mar 2000 02:10:20 GMT
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Original-From:
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Doug Weathers <weathersd@metro.!spamless!dst.or.us>
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Viewed:
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1454 times
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in article e0.222e2ae.25fbc2e7@aol.com, lego-robotics@crynwr.com at
lego-robotics@crynwr.com wrote on 3/11/00 7:40 AM:
> I found that it is possible to use the motors as generators weeks
> ago. I have been dabbling with the design trying to improve efficiency. In
> an email, I read that the efficiency was 97%. How would one figure out the
> efficiency??
That may have been my figure. Here's what I did.
I connected two motors together and put a crank on each one. With no load,
I found that 34 rotations on one motor produced 33 rotations on the other
motor. That figures to 97% efficient.
This is with no load, of course. There would be significant losses if there
was a load on the output.
Check out http://www.rdrop.com/~dougw/lego/cranker.html to see what I did
with this technique.
>
> --------------------~~~Ant~~~---------------------
>
>
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Message is in Reply To:
 | | Re: Efficiency was: Generating power
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| I found that it is possible to use the motors as generators weeks ago. I have been dabbling with the design trying to improve efficiency. In an email, I read that the efficiency was 97%. How would one figure out the efficiency?? (...) (25 years ago, 11-Mar-00, to lugnet.robotics)
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