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Patrick

 

This is normal and the rotor sound of some certain caliber such as 26-330 even louder than this 240. You may wonder why micro-rotor has the same (or more) amount of sound as the normal rotor, it is because the thickness of micro-rotor is thicker than the normal one thus it can generates the same amount of torque. And it also can generates the same amount of rotating sounds. So no worries about it. It’s totally finesmile

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