Windows menu:- Other Map Settings/traction Control Settings
The traction control system, only available on PRO models, is a full 3 or 4 wheel implementation. It will limit the amount of driven wheel spin to any desired slip compared with the undriven wheels. Note that it is not applicable to 4 wheel drive vehicles. To complete sets of parameters are available to allow for differing conditions. These are controlled by a switch on the dash of the car. If no switch is used then the dry settings are used. Besides the wet/dry switch an on/off switch must be fitted on the dash. This switch is not optional as the default for this function is off.
A special data logging mode is available to help set up in single seater cars.
MINIMUM SPEED TO ACTIVATE
Below this undriven wheel speed the vehicle is considered to be stopped and the traction control will take no action.
MINIMUM RPM TO ACTIVATE
Below this RPM the traction control will take no action. Setting depends on engine performance and the desired car dynamics.
MINIMUM THROTTLE TO ACTIVATE
Below this throttle position the traction control system will take no action.
TARGET SLIP PERCENTAGE
The system constantly calculates the difference in wheel speed between driven and undriven wheels. Some slip is beneficial to maximum acceleration, say about 20%. Start line situations are different and require the use of Launch Control. If launch control is active then the traction control will take no action until this has relinquished control over the system.
BALANCE TO FASTER DRIVEN WHEEL
This setting is used to allow some speed averaging across the two driven wheels. For instance in the case of a free differential it should be set to nearly 100%. In a car with a very stiff limited slip differential it should be set to say 25%.
DELAY AFTER START
After the system detects that a car has stated to move it waits this length of time before engaging traction control (unless launch is active see above). There is also a delay before the system considers a car is stopped. This is to allow for the locked brake situation. See General Traction Settings.
EXCESS SLIP TO HARD CUT
This effectively decides how aggressive the cylinder cutting is when slip is detected. If it is too aggressive the car is unstable. Only testing can determine at what level this should be set.
These are used if the PID/Servo button is set to PID. Try at 80% Prop and 10% Int.
NOTE That if launch control is activated then traction control will not engage until this has finished operating.