Subject:
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Re: Heavily modified 8880 chassis, succesfully motorised and solar powered.
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Newsgroups:
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lugnet.technic
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Date:
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Sat, 1 Feb 2003 11:14:42 GMT
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Viewed:
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2434 times
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In lugnet.technic, Robert Fay writes:
>
> Your transmission looks very good. I am curious about your solar panel. My
> experiments with the Lego Solar Panels were successful but I don't think I
> could move a heavy chassis. What voltage output does your solar panel
> produce? I used two panels with capacitors to give me 5 volts to the motor.
> You can have a look here:
>
> http://www.ozbricks.com/bobfay/solar.htm
>
> Keep us posted about your project.
>
>
> --
> Bob Fay
>
> http://www.ozbricks.com/bobfay/
I use a solar panel from Siemens, model SM-12, that's rated at 12watts. I
doubt it'll give that much power but then again, half of it would be enough
anyway. The size of it is 364x364mm, so it's rather larger than your lego
panels combined. When loaded it gives about 16-17 volts. I've messured ~16.5
volts at ~0.35 amps, which is around 5.5-6 watts. I think it can do better
when connected to a different motor though. I've got the solar panel from
school and it's supposedly quite expensive. I can't find any specifications
of it unfortunately.
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