HeatSink that works well for smaller hub motors....

My hubsink.

Phase change temperature from liquid to vapor is extreme. I can drop 30* C in an instant. Just a splash of water. The leash is zip tied around the hub and stays wet as you ride... almost invisible, swiping the surface of the hub.

I got baseline of 100A.. then 100A + 20mL ATF, and now 100A + 20mL ATF+ my Dogleash Hubsink. I have brought the Devil to his knees. No leaks, nothing but clean data. Looking for a longer leash now for a few more watts of cooling.

Got me some latent heat of evaporation going on. You know, good ol enthalpy of vaporization.
 

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