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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Thu, 13 Feb 2003 13:41:02 GMT
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Viewed:
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1340 times
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With the sun getting ever stronger as the season progresses, the solar panel
now gives close to 9 watts at 2 in the afternoon, and I suspect this will go
even higher... The lego motor is thinking of going on a strike or even dying
though...It already performs far worse than it did before using the same
power, but now it's also surging on and off when it's being loaded heavily.
I suppose that's what you get from feeding it triple the power it's supposed
to be using...
I've been looking around for alternative motors, and I've found one that
works at close to 90% efficiency when being feeded with 16 volts, .55 amps
(the solar panel can easily do that), so that should really make the car fly
compared to what it's doing with the lego motor now...the only problem is,
that motor costs over 80 euros and it'll take 4 to 6 weeks to deliver...
It's clear that I need a new motor, and this one seems ideal, it's just that
the price is terribly high, and waiting for it for 4 to 6 weeks doesn't
exactly sound fun either...
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