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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Sat, 7 Apr 2001 11:29:32 GMT
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Viewed:
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675 times
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Yes, but they used more prats then the RIS contains :/
They used two battery boxes to gain 18V using this coupling:
http://www.teamdelta.com/roboglad/vconv.htm
They had a motorcontrolled polarity switch to walk around the voltage
limits in the RCX.
/Tobbe
On Fri, 6 Apr 2001 17:43:05 GMT, "Excors" <excors@zaynar.demon.co.uk>
wrote:
>
> Mark Haye <mhaye(@)tivoli(.)com> wrote in message
> news:GA9p5z.JwG@lugnet.com...
> > I used to regularly drive LEGO 9V motors at about 12V with no observed
> > damage. I assume the increased power/torque would be proportional to the
> > voltage, i.e. 33% more voltage gets you 33% more power/torque.
>
> 33% more voltage should also give you 33% more current, so power (i.e.
> voltage times current) should increase by 77%. But higher currents give
> higher temperatures, which could damage the motor and would probably make it
> less work less efficiently.
> http://www.teamdelta.com/roboglad/ says that most of the robots ran the
> motors at 18v, and the only problem was a molten battery box due to removing
> the "thermally resettable solid-state fuse", so it *should* be alright but I
> wouldn't want to try it myself :-)
>
> --
> Philip Taylor
> philip@zaynar.demon.co.uk
>
>
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Message is in Reply To:
 | | Re: More juice out of the standard motors.
|
| Mark Haye <mhaye(@)tivoli(.)com> wrote in message news:GA9p5z.JwG@lugnet.com... (...) 33% more voltage should also give you 33% more current, so power (i.e. voltage times current) should increase by 77%. But higher currents give higher (...) (23 years ago, 6-Apr-01, to lugnet.robotics)
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