Quote:
Originally Posted by Otto
Brake calipers are often made of cast iron. Maybe aluminum (much lighter and an excellent heat conductor) calipers with cast fins (like a motorcycle engine) would keep the brakes cool enough when pizza pan wheel covers are used.
Otherwise, ventilation holes or slots out at the edges where the wheel lip would make turbulence anyway, would add little or no drag while keeping the brakes sufficiently cool.
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Aluminum melts at too low a temperature. I supposes one could have nitinol actuators to open vents but expenses pile up quickly when one considers this as an option.