Quote:
Originally Posted by ysu
But...but...
If I'm not braking, the car will still slow down (engine braking + mechanical friction in multiple places ) The cooling factor is the same on the disc; the car's movement provides the cooling, regardless if you're generating more heat on the brakes or not.
My logic says it should be less heat in the brakes with gentler braking, all other things equal.
I'm genuinely interested how can the quick hard braking be better cooling wise! I've heard it a number of times, too, btw.
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Heat impulse, and friction characteristics of the pad.
The pad rubbing against the bedding layer creates friction, which adds to the kinetic energy being dissipated. Extend that time long enough, and the total energy dissipated is greater, than a shorter period of time.