Any BURCHDA e-bike has at lease one Brushless DC motors, which is powerful and quieter.
But what is the difference with Brushed DC motors and Brushless DC motors?
We made a summary below:
|
Brushed DC motors |
Brushless DC motors |
|
Less torque per weight |
More torque per weight |
|
Less torque per watt |
More torque per watt |
|
More audible noise |
Less audible noise |
|
Shorter lifetime |
Longer lifetime |
|
Lower reliability |
Higher reliability |
|
Commutator sparking |
No sparking |
|
More EMI radiation |
Less EMI radiation |
|
May need airflow to cool rotor |
Can be completely enclosed |
|
Lower RPM |
Higher RPM |
|
… |
… |
|
Easy to drive |
Hard to drive |
Due to these characteristics, most of the brushless motors we see on the market are brushless motors.
This is why BURHCDA chooses brushless motors.
