A strange thing happens the moment you start looking into Tesla’s 1894 bifilar pancake coil. You find the patent number. You find the diagrams. You find the part list. And then you find something else. Almost nobody explains how regular homeowners are using the same core coil concept as the basis of a small, weather proof, low maintenance generator that can help reduce dependence on the grid. Instead, most people get stuck on trivia. Or they get pushed toward five figure solar quotes. In the Ene

Series parallel bifilar coil resonance, creates high energy gain.