Toymods Car Club Inc: Tech & Conversions => alternators (was: do brakes suck fuel?)

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mrshin
Forums Junkie

Location:
Montrose, VIC
Registered:
May 2002

Re: do brakes suck fuel?

Thu, 17 June 2004 00:05

Super Jamie wrote on Thu, 17 June 2004 08:52

call me skeptical, but i don't think the bits inside the alternator are strong enough to generate enough resistance even slightly slow down the few-odd foot pounds of rotational torque your engine will be making at idle

Hey, skeptical! Think about it: 60A x 14V = 840W (0.84Kw). Remember that the alternator is far from 100% efficient, and that at idle your engine is only producing single KW power figures. It has to come from somewhere, y'know.... (Of course, that'd only be when the alternator is producing a full 60A, which wouldn't be too often, but hey)

The only reasons I didn't suggest vacuum is that usually a vacuum leak will cause engine speed to INCREASE, as well as the fact you mentioned it idles slower at night time too Evil or Very Mad

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