![]() ![]() This is good from an ignition point of view, as the fuel-air mixture requires a stronger spark to fully combust when the engine is going faster. Magnetos usually produce much more energetic (higher-powered) sparks at higher RPM. One problem with inductive discharge systems is that the voltage they produce, and the size of the spark that they create is dependent on the speed of the magnet (and the engine). ![]() As the magnet passes the coil, it generates a voltage across the coil, which builds up until it (hopefully) produces a spark. This system doesn’t require a battery, and its simplicity makes it very light and reliable, which is perfect for small engines. The inductive discharge system consists of a magnet on the flywheel that passes by a fixed electrical coil the electrical coil is connected to one or two spark plugs, often through a transformer (to boost the voltage) and/or an interrupter (to control the timing). ![]()
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