Subject:
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Re: Rechargeable Battery question.
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Newsgroups:
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lugnet.robotics
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Date:
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Mon, 3 Feb 2003 10:19:22 GMT
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Original-From:
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PeterBalch <PETERBALCH@COMPUSERVEnospam.COM>
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Viewed:
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861 times
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Bruce
> > > rechargeable battery pacs
> > > used in certain electric tooth brushes?
> With large enough coils several watts. It's just an air core transformer.
The question is, what constitutes "large enough"? Industrial ones that can
charge a car battery are too large for a Lego mobile robot.
What power transfer can one reasonably expect from a simple small air core
transformer?
Peter
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