Why is the 1860 engine created by Etienne Lenoir considered a significant historical breakthrough?
Answer
It was the first commercially successful internal combustion engine
The achievement of Etienne Lenoir was not based on reaching high efficiency, but rather on achieving market viability. He designed a two-stroke engine powered by illuminating gas, ignited by an electric spark, that was simple and reliable enough for practical use. By establishing a factory and distributing his engines across Europe to power small workshops, printing presses, and vehicles, he proved that internal combustion could be a salable, functional technology for everyday industry.
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