76 lines
3.5 KiB
Plaintext
76 lines
3.5 KiB
Plaintext
From fork-admin@xent.com Tue Sep 3 14:24:46 2002
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From: Eugen Leitl <eugen@leitl.org>
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To: "Adam L. Beberg" <beberg@mithral.com>
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Cc: RossO <fork@ordersomewherechaos.com>, <fork@spamassassin.taint.org>
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Subject: Re: Electric car an Edsel...
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Date: Tue, 3 Sep 2002 08:19:57 +0200 (CEST)
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On Mon, 2 Sep 2002, Adam L. Beberg wrote:
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> Battery pack, huh what???
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>
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> You dont use batteries for a 1/4 mile run, you use capacitors. MANY times
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Actually, you use both.
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> the energy density, and you can get the energy out fast enough. Note that
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No, even best supercapacitors are a long way to go from reasonably good
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electrochemical energy sources. But you can recharge and discharge them
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very quickly, and they take lots more of cycles than the best battery.
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Ideal for absorbing the braking energy and turn them into smoking tires
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few moments or minutes afterwards.
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> the battery packs are fully swapped out for recharging after each run
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> anyway, just like a gas dragster is refueled, so this wouldnt be cheating.
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> 200 MPH should be no problem.
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I don't see any reason why EVs shouldn't dominate dragster runs. The
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traction is the limiting factor, not motor power. You can basically put
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the motors into wheelhubs mounted on a composite frame, and dump juice
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into them until they melt, which will be some 100 sec downstream. Plenty
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of time to smoke anything.
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Of course, it doesn't roar, and spew smokage, so it won't happen.
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