![]() It is a good driver for making big, hot sparks (not to be confused with arcs). This is how my schematic works: heres is a schematic that shows what the capacitor does. So I built a buzz coil, a project derived from the ignition on a Model T. Both of these things made clear to me that I needed a good source of high-voltage sparks. I've also had problems recently with pilot flames blowing out in some of our larger blow-something-flammable-through-something-on-fire projects. To understand the buzz coil, the key point is that a changing current generates a collapsing magnetic field in a transformer. The basic transformer theory is laid out in my previous posts about and. So I built a buzz coil, a project derived from the ignition on a Model T that you can toss together to satisfy all your sparking needs with a just a few common automotive parts. I've always thought it would be funny to build scale-size exploding grain silos for a model train layout. ![]()
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