Old Habits: Spark Plug Service Now
by Bob Freudenberger
While you may not think much of their cars, the French were very much in the forefront of early automotive developments. This is Lenoir’s strange internal combustion engine.
In 1860, the year before the Confederates fired on Fort Sumter and the Civil War began, a Frenchman named Jean-Joseph-Étienne Lenoir invented the spark plug as a way of igniting the mixture in his coal gas-fueled internal combustion engine. His patent application describes a hollow brass bolt with a porcelain insulator cemented into it. Two platinum wires projected from the combustion chamber end and had a small gap between
Vehicle System or Category: Electrical, Master Technician
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