Gmeast at energetic forum has made this demo that shows controlling water spark plug charge and discharge using a charging Triac and a discharging Triac triggered by reed switches.

Video shows an amplification of my last video using the exact same circuit but using a rotor & magnets to actuate the Triacs. This circuit consumes 12 Watts at 20 Hz. The faster the trigger rate, the higher power throughput and consumption.

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