Is a BLDC motor right for my application?

In order to know whether a not a Brushless DC motor is right for your application you need to think about several factors, some mechanical, some commercial

Mechanical Factors

BLDC Motors offer the highest speeds possible from any motor and have exceptional life but they are not generally known for positional accuracy or torque. If you need high torque you could add a gearbox but if positional accuracy is important you would be best looking at stepper motors.

Commercial Factors

If your project is very price sensitive then a BLDC motor could still be achievable but it is likely that you would save money by using a brushed DC motor. The downside of this is that brushed DC motors do not have the same lifespan of a brushless DC motor but equally they do not require controllers and are less expensive. A useful rule of thumb is that a brushed DC motor will operate well for 2000 hours whereas a brushless DC motor will operate well for 10000 hours. This obviously varies from manufacturer and motor type but if you’re application is likely to require regular and sustained use then a brushless DC motor could actually be the most cost effective in the long run.


Motor choice is never simple! The trade offs between life, performance and cost are something that needs to be taken into account when making the decision. Think about which of these factors is most important to you before making a decision and if you require any advice at all please CONTACT US and we will be more than happy to help.