The Judson unit is not a "Magneto" it is an electronic ignition unit with
solid state components that are polarity sensitive.
Greg Solow
----- Original Message -----
From: "John Herrera" <jrherrera90@hotmail.com>
To: <sbarr@McCarty-Law.com>; <fot@autox.team.net>
Sent: Thursday, May 24, 2007 7:44 AM
Subject: Re: [Fot] Judson Electronic Magneto
> >Hey all,
>>
>>In the stash of Spitfire bits that I picked up recently was a Judson
>>electronic magneto (for positive ground car). I'm curious about this
>>thing, but not so curious as to replace my coil with it - and besides,
>>I've got all negative ground cars.
>>
>>What's the story with these? Has any of you ever used one?
>>
>>Scott (B.)
>
> What does the ground polarity of the car's electrical system have to do
> with
> the magneto? The mag produces its own power independant of the car's
> electrical system. And anyway, the current flow from a mag reverses as it
> fires each plug in turn. Unless car mags are way different from airplane
> mags!
>
> John
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