**Update, bad One Way Bearing ** ......
It sounds like the ESC and Motor start to "oscillate" at 1hz from full power to no power and back.
Does the same thing with two ESC.
12 tooth stator with 8 magnets wound ABCABCABCABC
7 turns per stator, measures as 1057Kv on the bench.
Motor works fine no load on the bench..
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