[AT] Tractor wiring

[Dean VP]

Charlie:

It's not wattage that is the primary concern. It's IR drop. When starting
with only 6V to begin with you want as little voltage drop as possible due
to the high current. 

Dean A. Van Peursem
Snohomish, WA 98290

I'm a walking storeroom of facts..... I've just lost the key to the
storeroom door 


www.deerelegacy.com

http://members.cox.net/classicweb/email.htm



-----Original Message-----
From: at-bounces at lists.antique-tractor.com
[mailto:at-bounces at lists.antique-tractor.com] On Behalf Of charlie hill
Sent: Wednesday, November 17, 2004 6:52 PM
To: Antique tractor email discussion group
Subject: Re: [AT] Tractor wiring

Here is my question on this subject.

Why are battery cables for 6 volt systems heavier than those for 12 volt 
applications?   Assuming both are powering a starter to turn a similar size 
engine (similar load), why would the 6 volt cable need to be bigger.  It 
flows more amps but less voltage and should flow roughly the same wattage in

both applications.

Charlie 


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