Quote:
Originally Posted by DaveC113
Just to be clear, the cause of ice mode is a differential in wheel speed between the right and left sides of the car right after brakes are applied.
It does this because if half the car is on ice and the other half is on pavement a full application of the brakes will cause the car to spin. Typical scenario is the passenger side of the car goes off the road or onto ice that's on the shoulder, driver jams on the brakes, car spins into oncoming traffic. Ice mode is designed to avoid this.
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His scenario at VIR could fit the parameters for ICE mode activation, couldn't it?.
He had accelerated hard in a less than straight line toward the corner (T11), got on the brakes hard while starting to turn into the apex, which would have meant that the inside wheels were turning at a different rate than the outside wheels. Because there isn't PDR data, I can't tell how abrubtly he transitioned from accel to break, but if he did it rather abruptly, seems like all the ingredients would be there. Add to that the fact that he was using racing pads, which this thread seems to suggest can make ICE mode more likely. And the pedal behavior also sounds like ICE mode.