• SAE J2452_199906

SAE J2452_199906

Stepwise Coastdown Methodology for Measuring Tire Rolling Resistance

SAE International , 06/01/1999

Publisher: SAE

File Format: PDF

$61.00$122.00


This SAE Recommended Practice is applicable to pneumatic Passenger Car "P" Type, Light Truck Metric, and Light Truck High Flotation tires, or similar tires approved by bodies other than Tire & Rim Association. The methodology is applicable within normal operating ranges of vertical load and inflation pressure, and for velocities between 115 km/h and 15 km/h (71 mph and 9 mph) during a relatively short duration event such as a coastdown. This procedure is applicable only to operation in the free-rolling mode at zero slip and camber angle for ambient temperatures between 20 \mDC and 28 \mDC (68 \mDF and 82 \mDF) and for surfaces with diameters of 1.2 m (48 in) diameter or greater. Details regarding the equipment, tires, and test methods used specifically for validation of this document are included in Appendix A.

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