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 18:13:01 GMT
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Viewed:
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1412 times
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In lugnet.technic, Robert Fay writes:
> I think it is time to consider a lighter chassis. Your project is getting
> rather pricey. Maybe some voltage regulation would protect the Lego motor.
> The Lego Capacitor and regulators are very good for that. Their output is
> 2.5 volts, so you would have to set them up as series outputs. Being that
> your not transporting the supply, you can afford the extra weight. Good
> luck!
If I want to keep all the features (4wd, gearbox, suspension), which I do,
the chassis can't be very much lighter than it is now. Besides, that's just
not the direction I want to go. Thing is, I really want to use a better
motor. The lego motor is rated for about 1 watt of mechanical power(and uses
3, efficiency is horrible), and with the solar panel producing 9+ watts, it
doesn't make sense to keep using it. With a better, more powerful, more
efficient motor the car will be able to go much faster, and that is
precisely the direction I want to go. The price is a problem, but I'll be
prepared to pay a good amount for a good motor if I really have to. This is
not just a school project, it's my ambition too you know. :)
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