[AT] Ford 8n Under Dash Resistor?

[charliehill]

If it were me I'd be on the phone to N-complete.  I'm pretty sure they know 
exactly how to fix it and probably can supply the parts.

Charlie
----- Original Message ----- 
From: "H. L. Staples" <hlstaples at mcloudteleco.com>
To: <at at lists.antique-tractor.com>
Sent: Wednesday, January 07, 2009 3:06 PM
Subject: Re: [AT] Ford 8n Under Dash Resistor?


>
>
> Mike---I think for sure you should not use a dropping resistor with the
> electronic ignition. The Pertroix is designed for the full battery voltage
> and takes care of the switching.
>
> For a dropping resistor why not just ask Ford/New Holland for the proper
> value.  There are many heavy wattage wire wound units available at little
> cost.
>
> H. L. Staples
> McLoud, Oklahoma
> USA
>
>
>
> On 1/7/2009 12:41:33 PM, Mike Sloane (mikesloane at verizon.net) wrote: > 
> Well, there is another "fly in the ointment": resistance in a wire is > 
> also dependent on temperature. If you > don't use a heavy enough wire, it 
>  > will heat up, and the resistance (and the voltage drop) will change. But 
>  > heavy wires have less resistance than thin ones. Most "ballast" > 
> resistors are cast into blocks of "sand" to help stabilize the heat. > 
> Here is a lab worksheet addressing the issue: > 
> <http://spiff.rit.edu/classes/phys273/manual/temp_coeff.HTML>. >
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