Yes, I can hear the motors working. As for the weight, I believe it is way underweighted as I am using a Pentax k5 with 135mm lenses, and a small guidescope 120mm with SV105 guidecam. Other than that, I have attached a small battery pack with RPI4 on the mount. Everything in total is less than 3kg. So it should be good.
What is the thing about the clutches?
I also heard that since to bearings inside are sort of plastic, the cold weather shrinks them and this might cause the wrong tracking. Is it possible?

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