[M] Alterpower alternator charging control switch

Guenther,Max Mguenther at ASCO.COM
Fri Mar 12 14:16:57 GMT 1999


Weren't most of thos cars magneto driven though, hence no loss of
ignition power?

>----------
>From: 	Jemison Richard[SMTP:JemisonR at tce.com]
>Reply To: 	diy_efi at efi332.eng.ohio-state.edu
>Sent: 	Friday, March 12, 1999 8:27 AM
>To: 	'diy_efi at efi332.eng.ohio-state.edu'
>Subject: 	RE: [M] Alterpower alternator charging control switch
>
>Let me jump in here.  Most of the performance rags 20 years ago during the
>dyno tune age when the mags spent much time reporting on dyno time being
>used by big teams like Mickey Thomson, Smokey Yunick, Ed Pink, Keith Black,
>etc - it was quite common on motors being setup for endurance type racing
>and therefore equipped with alternators to report a 5+ hp loss.  Some of
>this was recooped by installing bigger pulleys on the alternators.   Some
>did use clutches (like your air  conditioner) which would dump the
>alternator during peak rpm periods.  Seems like Hot Rod put out a Chevy
>manual sometime past which had an article on alternators and included some
>discussion of this situation.
>
>rick
>
>> -----Original Message-----
>> From:	KD6JDJ at aol.com [SMTP:KD6JDJ at aol.com]
>> Sent:	Thursday, March 11, 1999 9:43 PM
>> To:	diy_efi at efi332.eng.ohio-state.edu
>> Subject:	Re: [M] Alterpower alternator charging control switch
>> 
>>   Mark
>>   I cant explain how the claim of 5 hp gain can be accomplished, can you?
>>   The alternator doesnt ever consume 5 hp, I dont think. That would be
>> around
>> 300 amps into a 12 'load'. Or , if the alternator, with its bearing and
>> belt
>> and electrical losses, was only 50 percent efficient, it would have to be
>> putting 150 amps into a 12volt 'load'.
>>   Then if we are considering that the battery is charged, as stated, the
>> power
>> consumed by the alternator should be way under a hp. At least the power
>> consumed by an alternator should be quite low when the battery doesnt need
>> to
>> be charged, and there are no heater motors and -or air conditioning
>> clutches
>> and fans running.
>> 
>>   This is the message that I read --------- 
>> 
>>   Thought someone might find this interesting....  Good for 5 free hp at
>> WOT.
>> -Mark
>> 
>> 
>> 
>> Return-Path: owner-merkur-owners at HOME.EASE.LSOFT.COM
>> 
>> Here's a gizmo that sounds useful. It automatically switches off
>> alternator
>> load if you're at full throttle and you've got plenty of charge in your
>> battery,
>> allowing the engine to devote ALL its power to moving forward.
>> 
>> 
>>      Jerry
>



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