Subject:
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Re: 9 Volt output
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Newsgroups:
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lugnet.technic
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Date:
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Wed, 15 Sep 2004 10:49:00 GMT
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Viewed:
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3382 times
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On Wed, 08 Sep 2004 11:31:26 +0000, Juergen Stuber wrote:
> The more voltage the faster the unloaded motor runs,
> so then alkalines give you more speed than NiMHs.
>
> If you load the motor then it will draw more current,
> which will depress the voltage depending on the internal resistance
> of the batteries (you can forget about the battery cases and cables)
> and it will run slower. So if the internal resistance of
> the batteries is high, i.e. they can't provide much current,
> then the motor will slow down a lot under load.
> NiMHs ought to be better under load than standard alkalines,
> but I have not tested it.
> And then there are also high power alkalines.
This is a good tip, I will try it on my (fairly heavy) bus.
>
>
> Hope this helps
>
> Jürgen
-- Peter
---------------------------------
Only when you try to build with Mega Bloks or you try to make a Lego compatible cutting board do you realize the tremendous quality of Legos.
Peter Ehrlich
peter@dairysight.com
www.routetruck.com
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Message is in Reply To:
 | | Re: 9 Volt output
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| (...) Stronger :-) (...) That depends on the capacity of the batteries, normally given in mAh. AAs have more capacity than block batteries. (...) The more voltage the faster the unloaded motor runs, so then alkalines give you more speed than NiMHs. (...) (20 years ago, 8-Sep-04, to lugnet.technic)
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