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Message: <blockquote data-quote="helotaxi" data-source="post: 5073711" data-attributes="member: 550915">Big difference between ferrite (ceramic) and steel.  I would hope you know that...I've never seen steel made fron ferrite.  Ive seen it made of a ferrous material because it is by definition, but iron and ferrite are hardly the same thing.Without being designed specifically as a sink, the motor makes a poor one.  It will draw some heat into itself but as you said yourself steel is a poor thermal conductor.  It is slow to heat up (so slow to draw heat from the coil) and slow to cool off (so slow to shed the heat that is has absorbed).  If designers were counting on the motor to act as a significant heatsink, they would actually address making it more efficient.</blockquote>

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