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It would be nice to get 50 hrs on a set of plugs running
100LL. Is it the leading or trailing plugs that seem to have an issue. Maybe
only 2 coils for testing are needed. And larger power \ ground
wire.
Bobby
Given the interest in getting rid of SAG - its important
that we are all on the same wavelength when discussing components. For
example, there are a whole bunch of different MSD ignition systems out there -
I'm not certain that they are all Capacitive Discharge types. It may made
a difference regarding their ability to avoid/delay on set of SAG.
At least Lynn's assessment about the rise time of the CD
type driven coils being so fast as not to permit much voltage leakage via
the lead deposits and thereby avoiding SAG seemed to make sense to me.
So the question to Bob Mears is do you recall whether the
MSD system being used was a Capacitive Discharge type?
Thanks!
Ed
----- Original Message -----
Sent: Monday, June 11, 2007 8:56 AM
Subject: [FlyRotary] Re: Spark Plug
Cleaning
SAG can appear any where apparently. We ran
a MSD system on our race care and still ran into the
problem. The problem ended when we switched to alcohol, but
thats not a fix for airplanes!
Bob
Mears
Supermarine spitfire
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