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feigao 12xl 1390 cogging.help pls
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BrianG
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Posts: 14,609
Join Date: Nov 2005
Location: Des Moines, IA
01.12.2009, 01:54 PM
Yeah, the ESC isn't seeing enough rpms at low speeds to get rotor position. If you haven't done so, use firmware rev 1.2 as the starting algorithm is smoother.
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