An Imaginary Example
| Front | Rear | |
|---|---|---|
| deg/g | deg/g | |
| Load transfer effect and cornering stiffness of tire | 8.0 | 7.0 |
| Aligning torque | 0.2 | -0.2 |
| Roll camber | 1.2 | 0.0 |
| Roll steer | 0.6 | -0.4 |
| Fy Compliance steer | 0.3 | -0.1 |
| SAT compliance steer | 0.7 | 0.6 |
| Total Axle Cornering compliance | 11.0 | 6.9 |
Hence the total understeer is 11.0-6.9 deg/g, or 4.1 deg/g.
Negative values are oversteering, positive values are understeering, for that axle. If the understeer contribution of the rear axle is greater than that of the front axle you get negative understeer, which is known as oversteer. The analysis is only applicable while the parameters remain constant, and thus only up to about 0.4 g.
Read more about this topic: Bundorf Analysis
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