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Ignition systems are used by heat engines to initiate combustion by igniting the fuel-air mixture. In a spark ignition versions of the internal combustion engine (such as petrol engines), the ignition system creates a spark to ignite the fuel-air mixture just before each combustion stroke. Gas turbine engines and rocket engines normally use an ignition system only during start-up.
An automotive ignition system initiates combustion in the engine by generating a high-voltage spark to ignite the fuel-air mixture in the cylinders. This system ensures the engine starts and runs smoothly by delivering precisely timed sparks to each spark plug. Modern vehicles typically utilize electronic ignition systems, which offer enhanced control and reliability compared to older mechanical systems.
An automotive ignition system initiates combustion in the engine by generating a high-voltage spark to ignite the fuel-air mixture in the cylinders. This system ensures the engine starts and runs smoothly by delivering precisely timed sparks to each spark plug. Modern vehicles typically utilize electronic ignition systems, which offer enhanced control and reliability compared to older mechanical systems.
Early cars used ignition magneto and trembler coil systems, which were superseded by Distributor-based systems (first used in 1912). Electronic ignition systems (first used in 1968) became common towards the end of the 20th century, with coil-on-plug versions of these systems becoming widespread since the 1990s.
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