I have a dual plasma II on my experimental. It has RG58 that came with
the ignition kit. Are you saying I should change to RG400?
My engine (Franklin) runs rough if I turn off one of the ignition
sides.
Would that help? It seems OK if I have both ignitions on?
Franklins are known to drop by 250 rpm with one side off.

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SQ2000 canard: http://www.abri.com/sq2000

ELIPPSE wrote:
A while back someone recommended that user's of Plasma ignitions not
use the recommended RG 400 but instead use shielded wire. Klaus
contacted me, the designer, for my comments about this substitution.
Coaxial cable is used for several reasons: it is rugged, it has a
high voltage rating, it has coax connectors designed for its use, and
it has well-defined electrical characteristics, foremost among these
is
the capacitance per foot. RG58, no longer recommended, is 28pf/ft and
RG400 is 29.3pf/ft. Shielded wire, such as the high-rel,
....................
Klaus has had several people who have reported a rough-running
engine. When questioned by Klaus it was found that they used the
shielded wires in making the connections to the coils. After changing
to the RG400, the problem went away. I would seriously recommend that
anyone who has used this shielded wire change back to the recommended
cable!