question about brakes on the mamba max pro

[E-Revonut]

I run sensored motors on my MMPs for racing as well. In my SC10 and B4.1 the brakes are pretty good, but they aren't as good as when running a sensorless motor. Both are running Ballistic 17.5 right now and I have run 13.5 for outdoors. However my 1s MMP in my carpet car with 17.5 or 13.5 has THE WORST brakes ever! I would think that in suck a light car it would be able to just lock up the tires...nope! Barelt stops the car. Even if I'm doing about 3-5MPH is still takes a good 10-15 feet for the car to stop.

I really don't understand why braking with sensored motors is so much weaker but maybe because they have smaller rotors made with weaker magnets.