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Old Dec 29, 2012, 07:07 AM
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United States, MI, Ann Arbor
Joined Aug 2011
895 Posts
Originally Posted by Fourdan View Post
I agree 100% with Modisc
I have tested more than 300 BLDC motors, varying V.
Kv stays in a very small fork (generally < 1%)
And this is well explained by the Kv formula provided in the leading thread in this forum ^^

Louis, have you noticed significant variation in Kv when using different ESC to test the same motor?

Another issue that I am not sure now, is that whether ESC has a low-speed limit? I Used a Hobbywing ESC trying to drive a servo motor with original coil and connection, Kv of the motor being 15rpm/v. The motor cannot start at 6S voltage.
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