Autonomous Robot, motor driver

afremont:
[quote author=husein06
My professor keeps stating "You do not have enough torque. Use a motor operated fan to cool the motor driver"

Don't you think you might ought to listen to him? I also told you that it wouldn't take much to overheat that controller. One important thing you need to take into consideration is derating your parts as temperatures go up. Those specs you gave are likely for the controller when it is at 25C.

I just cant grasp how a fan over my motor driver will help my robot drive? will a fan really cool off the warming of current that much?
and I'm just trying to learn and ask here dont fight me lol