why do some engine maintenance cycles run off hours, like generators, but others off miles, like cars? (Besides the obvious)
In: Engineering
Hours is a more accurate measurement. I think cars go by miles because most people are commuting and the starting, stopping, and shifting gears all the time puts more stress on the engine than just contralto running, like, say a generator, which doesn’t change gears. The mileage is also useful in tracking for other systems like the transmission, which doesn’t suffer wear when the vehicle is on, but in park. Also, cars are subjected to different environments, which have different effects on the engine and vehicle as a whole. Mileage vs engine hours is just a way to try to compensate for all of these factors.
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