Quote:
Originally Posted by lincpimp
Hmm, what size bearings do those motors use? Do you think the rotor will hold up... If I kill it I will not send it back to you, experimenting is just that, experimenting!
Also are those motors still 2 pole designs? I just wonder as 9000kv at 3s lipo on a 4+ pole motor might be a bit much for a MMM or MM.
Thanks for the quick replys Patrick, always helpful!!
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The bearing size is 14mm x 5mm x 5mm, which is REALLY big by 36mm motor standards. . . Helps with side loads and impacts (not than these motor ever actually take any impacts....

) but is a little hard on the balls and race at really high RPM.
The bearings are rated for 75,000 RPM continuous, 100,000 short term.
Still a 2 pole design.