Uploaded August 2013 | Updated September 2026, 4 days ago

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This L C R parallel tank circuit is fired by a 12 kvac neon transformer. The spark plug acts as a RF oscillator driving the 6 turn modulator coil that surrounds the 76 turn RF coil. The modulator circuit is tied to RF ground. This is an AC circuit.
Find Don's pdf file here:
free-energy-info.com/Smith.pdf