Where have my brakes gone? Any help appreciated

[RogerM]

At Petit I was really noticing a lack of brakes, that is the reason I made the (completely wrong) decision to put a front diff in for the final … made the car handling not to my tastes but still with no brakes! This was costing me LOADS of time as I couldn’t stay on the power for the straight or else I’ve overshoot the “wall of death” and could only blip the throttle through the infield as if I built any speed I couldn’t get it into the next corner.

I am 95% sure that the brakes are causing the slipper to slip but will try locking the slipper up just to be sure.

Speedo & transmiter are still adjusted correctly for brake side EPA, set to 100% brakes, running a little drag brake (still can’t drive with a free rolling brushless motor!) and initial brakes set to the same as drag brakes.

When I jam the brakes on whilst holding the car the wheels don't stop immediately, only a small delay but the same speedo setup (but with a milder motor) in the 2wd car almost flip the car out of your hand.

The brakes on the same set-up used to be awesome!

Have I killed the motor / speedo and if so how?

Going to try another motor but don't have another equivelent (will have to be the 2 winds milder one out of the RB5) so may not be the best comparison.

Any help appreciated.

[chris_dono]

which speedo, which motor ?

[RogerM]

Speed Passion GT2.0 PRO and a Speed Passion V3.0 6.5R

As I say the brakes were originally the best I've had from a brushless set-up

[Cockerill]

Have tried resetting the speedo and transmitter?

[RogerM]

Yes, speedo responds as it should (in terms of lights etc.), transmitter is fine as works on the other car and allows speedo set-up.

I'm a little confused, feels like a brushed speedo would after blowing the schokey diodes!

[_sleigh_]

Have you tried swapping the good motor from your 2WD in the 4WD?

Has the 4WD motor been "HOT"??

[Neil Skull]

Originally Posted by RogerM

At Petit I was really noticing a lack of brakes, that is the reason I made the (completely wrong) decision to put a front diff in for the final … made the car handling not to my tastes but still with no brakes! This was costing me LOADS of time as I couldn’t stay on the power for the straight or else I’ve overshoot the “wall of death” and could only blip the throttle through the infield as if I built any speed I couldn’t get it into the next corner.

I am 95% sure that the brakes are causing the slipper to slip but will try locking the slipper up just to be sure.

Speedo & transmiter are still adjusted correctly for brake side EPA, set to 100% brakes, running a little drag brake (still can’t drive with a free rolling brushless motor!) and initial brakes set to the same as drag brakes.

When I jam the brakes on whilst holding the car the wheels don't stop immediately, only a small delay but the same speedo setup (but with a milder motor) in the 2wd car almost flip the car out of your hand.

The brakes on the same set-up used to be awesome!

Have I killed the motor / speedo and if so how?

Going to try another motor but don't have another equivelent (will have to be the 2 winds milder one out of the RB5) so may not be the best comparison.

Any help appreciated.

Roger,

firstly try swapping your esc over. At least that way you will know where the problem comes from.

As i understand heavy braking can put the biggest stress on an esc so maybe its like a fet or something gone. I am not 100% sure on that just a guess.