Reply To: 1946 elgin 1.25hp coils keep burning up

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June 20, 2025 at 7:28 pm #297503
jeff-register
Participant

    Dave is correct & that includes capacitors (condensers). The dielectrics, insulating values fail with time. Even 1950’s Super Corona Dope, a liquid paint on insulating varnish is better. It was made for the scanning bear on old black & white cathode ray T.V.s. The transformer called a “flyback” had problems arcing to ground & the corona dope fixed that & I have used on magneto coils for 35,000 volt protection.
    Just saying Dave is so correct!!
    Look up on the web M.G. Chemicals to buy. MG is all about insulating coatings.