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Detecting Bad Bearings

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Published on Dec 5, 2011

First off, I apologize for the background noise on this video, seems the camera picked up some hissing and I did not spend the time running filters to remove it. However, the quality is well enough to get the intended point across.

I was out shooting some aerial video and upon close inspection, the Jelly daemon has resurfaced from the dead. It appears the bearings in these RCTimer A2208-14 1450KV motors of the Sweptback's tail assembly had worsen. Under normally flying condition, these bearings are perfectly good and would have performed to specification however, I am always reaching for perfection and these just do not make the grade with me. I have disassembled the worse of the two, replaced them and ordered some high quality bearings from Boca Bearings. At that time, I will upgrade both motors' bearings. (Bearing Specs: OD 0.3125 in, ID 0.1250 in & Width 0.1406 in.

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