Dual ign system question

[nacelp]

You have to flip a ignition select switch, yes.  The "dealy" has like three
plug ends on it.
Maybe something other then a doide?.  Like a lightning protector, gizmo.  I
forget the name.
Bruce


> > MSD makes a devise for being able to run two coils, with a single output
> > (NASCAR item), that sounds like what your looking for.  I haven't a clue
> > about price.  It would seemingly have to include a diode od some sort so
> > that a shorted secondary in one coil wouldn't effect the others output.
I'd
> > also venture a guess that the small aircraft or experimental aircraft
groups
> > might have something similiar.
> > Grumpy
> I though NASCAR switched from one to the other and did not run both at
> the same time.  I remember them needing to switch something to go th
> the backup ign systems.    I was thinking using some diodes to prevent
> reversal, but with the voltage being in the range of 50Kv that would
> require 50 or so diodes that each were able to stop 1000V (the biggest
> I have normally seen).   Of course if I could get a diode that would
> stop ign voltage and it only cost $5 or so for each it would be
> dooable (16 diodes $5 each I could live with).
> Roger


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