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Re: Battery Technology / Electric Vehicles
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I hear NiMH is good, but whats your say?
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NiMH batteries are a pain to charge correctly. You can't deterine their state of charge by measuring their voltage unlike lead acid. That might not be a problem for what you want but it starts becoming annoying for hybrid vehicles.
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What type of motor? AC or DC? Brushed or Brushless?
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I would say brushless because they require less maintence. Unfortunatly the electronics are more complicated in that you have three phases to control. Most of the home modifications involve modified brushed motors that come from forklifts.
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Keeping that in mind, I'd go with the Lithium-based battery trend that all consumer electronics have been going with as of late, as they are among the lighest of batteries.
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If you do that I would recomend trying a123's batteries which shoudn't catch on fire. I really am leary of using traditional lithium ion batteries in this application because of the risks involved with having a fire that isn't normally experienced by firefighters. Consumer electronics don't really experience the type of trauma a car may which would cause the batteries to explode.
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If either a public officer or any one else saw a person attempting to cross a bridge which had been ascertained to be unsafe, and there were no time to warn him of his danger, they might seize him and turn him back without any real infringement of his liberty; for liberty consists in doing what one desires, and he does not desire to fall into the river. -Mill
Last edited by Adam Y. : 13-05-2007 at 22:31.
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