Subject: Old message. CD ignition systems. New data.
From: ACRE NL
Date: 10/20/2002, 7:06 AM


Paul, I finally got the attchments you were sending me. It seems amazing that
the new circuits can power the CDI with less than 1/2 the power of old Points
or EI. Must be the efficiency of not powering the coils all the time. I
wonder how well the small ferrofluid coils would hold up with the system?  It
would be a great way to make a smaller package. might be just the ticket. I
have one of the Saab systems somewhere, The entire coil is 7/8 in diameter by
1 1/2 in long. There are also supposed to be a version of this style coil
used on the Ford tarus SHO the latest model. Very tiny packages, the ford
version mounted in the spark plug hole!
Bill Jepson

By all means experiment with the system on the ground. Todd now has the 
CD construction article in pdf form so it should be available for download
any minute. There are now some racing coils that will put out
41,000 volts rather than the stock 20,000 volts which means you
can get more juice for turbo engines. Air is an insulator.
the higher the pressure the better it works. Therefore it takes
more volts to fire the plugs in a turbo engine. I think you could
therefoire increase the key capacitor to about 2 mf instead of
only 1 mf and maybe increase the output voltage of the converter. 
 
Paul Lamar
 
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