1-2S 7A Brushless Regler Elektronischer Drehzahlregler für RC Flugzeug 1400-4500KV
The reason is that your ESC is not a high-speed ESC. This ESC can solve the above problems very well. When connecting a high speed motor, the motor runs well and the temperature is moderate. 1 x 1-2S 7A Brushless ESC.