Quote:
Originally Posted by pgfpro
After talking to a Red Bull F1 engineer he said on their hybrid engines today they actually rely on a slight buildup of carbon on top the pistons to act as a barrier coat at maximum power. It will burn most of it off at this point and then at lower power settings it will recoat itself for the next maximum power event. Crazy stuff for sure.
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Definitely crazy. But if you would really need some piston top coating to protect the pistons, wouldn't a ceramic or diamond-look carbon (DLC) coating serve for this very same purpose?