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Re: Ballasted type coil resistance

To: "Michael D. Porter" <mporter@zianet.com>
Subject: Re: Ballasted type coil resistance
From: Douglas Braun <doug@dougbraun.com>
Date: Mon, 02 Dec 2002 13:00:39 -0500
I assumed that "ballasted" meant "to be used with a ballast resistor",
and "non-ballasted" meant "to be hooked directly to 12 volts".

Doug


At 10:48 AM 12/2/02 -0700, Michael D. Porter wrote:


>Douglas Braun wrote:
>> 
>> A ballasted coil has LESS resistance than a regular one.
>> Bentley sez about 1.5 ohms for the ballasted coil, and
>> 2.5 to 3 ohms for a regular one.
>
>Umm, think that should be the other way round. The "ballast" is an
>internal resistor in series with the coil winding, not parallel. The
>object is to drop running voltage to about 6V to prevent point burning.
>Same reason for using an external ballast resistor with a standard coil.

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