Igniting Magnetos

Igniting Magnetos

Igniting magnetos, also known as ignition magnetos or simply magnetos, are electrical devices that are used to provide the necessary voltage to ignite the fuel in an internal combustion engine. They are commonly used in small aircraft, motorcycles, and other types of vehicles that require a reliable ignition system. The basic principle of operation of an igniting magneto is the conversion of rotational energy into electrical energy, which is then used to create a spark at the spark plug. The ignition magneto consists of a permanent magnet, a rotating armature, and a set of breaker points. The permanent magnet creates a magnetic field that is used to induce a voltage in the armature as it rotates. The breaker points are used to interrupt the flow of current in the armature, which creates a high voltage spark at the spark plug. The timing of the spark is controlled by the position of the breaker points, which are adjusted to ensure that the spark occurs at the correct time in the engine cycle. Igniting magnetos are preferred over battery-powered ignition systems in small aircraft and other vehicles because they are more reliable and do not require a separate power source. They are also less susceptible to interference from other electrical systems and are less likely to fail due to battery issues. However, they do require periodic maintenance to ensure that the breaker points are properly adjusted and that the magneto is functioning correctly.

ignition system, internal combustion engine, spark plug, breaker points, armature

— Mark Hall