CC Blower....Blows

[Pdelcast]

Originally Posted by ReV:-O

I don't understand why the blower's made of plastic. Plastic is an insulator and will retain heat, why not have it made of aluminium so it can serve as another heatsink?

Because it doesn't make enough difference to justify the expense. We tried an aluminum shroud, but it didn't conduct much additional heat from the motor.

The fins built into the motor are pretty effective as a heat sink. The shroud is there to direct the airflow so it all goes over the fins.