Original poster: "D.C. Cox" <resonance@xxxxxxxxxx>It depends entirely on the diameter of your sec coil --- to get coupling right for no racing sparks. What is your new coils proposed sec dia? What type of spark output length are you looking for?
Dr. Resonance
Ok I want to build a second coil but I'm debating if I should go with a flat or V shape Primary coil.What's the advantages? Which is best? Gates