Technical Information: Wheels and Tires
2021-3-26 · A tire with value C, therefore, has the poorest wet traction. The tire to be tested is inflated to 24psi (165KPa) and installed on the test apparatus (instrumented trailer). The tire is loaded to 1,085 pounds (492kg). The trailer is towed over the wetted test area at 40mph (65km/h) and the rotating wheel …
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