Quote:
Originally Posted by dseymo1
The Cavendish blows from behind the elements.
Fitting the fan in front of the elements means that the motor is subjected to hot air, which can't be a good thing.
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Not with care, though. Designing a fan heater, with a long shaft, the motor could be in the cool airflow one side of the elements, and the fan itself on the other. There is some merit in doing this if the majority of the airflow can be arranged to not go past the motor at all, because then the bearings don't get bunged up with fluff!