Tests to Define Tire Size (Geometry), Mass, and Inertias

Standard:
Revised:
  • 2012-06-21
 
  • CURRENT
Publisher:
  • SAE International
Pages:
20
Scope:

This SAE Recommended Practice describes a trio of test methods which determine basic tire size (geometry), mass, and moments of inertia. The methods apply to any tire so long as the equipment is properly scaled to conduct the measurements for the intended test tire. The data are suitable for determining parameters for road load models and for comparative evaluations of the measured properties in research and development. NOTE: Herein, road load models are models for predicting forces applied to the vehicle spindles during operation over irregular surfaces paved or unpaved. Within the context of this Recommended Practice, forces applied to the surface on which the tire is operating are not considered.

Rationale:

This Recommended Practice was developed as part of a set of Recommended Practices intended to allow modelers to determine the parameters required by any of the common tire models for calculating spindle loads given the road surface profile from a single set of experimental results, and thus, to eliminate duplicate testing. This version addresses minor editorial problems found in previous versions.

History:
Standard Published Revision Status
J2717_201206 2012-06-21 Latest Revised
2006-04-18 Historical Issued
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