A car engine basically has thousands of mini explosions happening inside of it, is has parts moving very fast and generating tons of heat, and experiences extreme temperature fluctuations on a daily basis. Yet it is the part that usually dies last in a car.
How do they make them last so long and why are we unable to make other parts of the car as long lasting, such as tires and brakes?
In: 638
Two things: lubrication and engineering.
The parts are made of the correct materials, with the right dimensions and surface finishes. That combined with forced lubrication makes it work.
You’re right, it looks like a miracle that an engine lasts ten minutes, let alone years. That’s just the nature of the materials and the design, they can handle the punishment. It’s taken decades of refinement and billions of dollars to get them as reliable as they are. It takes a lot of really smart people a lot of time to figure these things out.
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