Nah, I think it's just typical wear and tear that they experience. The motors are very 'floaty' (GREAT for open air...I mean like zero motor noise at almost all voltages, it's awesome.....BUT wear and tear occurs after extended use [a year+ maybe?] and it dampens radiator pull-performance somewhat)
And I can't wait to get the full gamut of graphs up soon....there's definitely a few winners in the bunch![]()
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