Table 8Analysis of Effect of Rear Tire Tread Separation on Understeer Gradient |
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| Trends in Understeer Gradient (UG) - with and without a Rear Tire Tread Separation |
Model Year* | Understeer Gradient Tread On |
Understeer Gradient Tread Off O/S Rear |
Understeer Gradient Delta |
|---|---|---|---|---|
| Max. UG Tread On | 2000 | 6.17 | 1.82 | 4.35 |
| Min. UG Tread On | 2002 | 1.06 | -3.89 | 4.95 |
| Mean UG Tread On | 2.97 | |||
| Median UG Tread On | 2.57 | |||
| Max. UG Tread Off | 2001 | 5.04 | 2.20 | 2.84 |
| Min. UG Tread Off | 2001 | 1.86 | -5.31 | -7.17 |
| Mean UG Tread Off | -1.34 | |||
| Median UG Tread Off | -1.31 | |||
| Max. Delta UG | 2001 | 1.86 | -5.31 | 7.17 |
| Min. Delta UG | 2001 | 1.93 | -0.14 | 2.07 |
| Mean Delta UG | 4.30 | |||
| Median Delta UG | 4.18 | |||
| *All vehicles are 4-dr. SUVs with wheelbases between 104 and 116 inches and curb weights between 3,500 and 4,700 lbs. |