Demystifying Spark Plug Varieties: Understanding Types and Applications

 Spark plug is a device which creates an artificial bolt of lightning in the combustion chamber of an engine. It transmits the high voltage electricity to ignite a spark which further fires the air and fuel mixture in the combustion chamber of the engine. This spark starts the combustion process which eventually powers our cars and motorcycles.

A good spark plug results in the smooth start of the engine along with the better fuel economy which eventually results in the longevity and good health of the engine. Nowadays there are different kinds of spark plugs available in the markets to choose from i.e. copper, platinum and Iridium spark plugs.
Copper Spark Plug
The copper spark plug is the most commonly used spark plug as it is the cheapest among the three. In copper spark plugs the outer material used is nickel-alloy which wears down easily because of the high pressure and the high heat generated in the cylinder of the engine. This wear results in the fouling of the spark plugs because of this they have a short life span.
Iridium spark plugs
Iridium has higher melting point and it is stronger than platinum which provides it superior wear characteristics. Also, iridium spark plugs feature a thin wire center electrode which conducts electrical energy better and increases the firing efficiency. Because of all these qualities, the life span of iridium spark plugs are more than the platinum spark plugs.

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