location. The coordinates ofР S1, S2, and S3 are required to calculate the location of the accelerator heel point (or floor reference point).Р Divot points can also be used to calculate with additional precision anything that can be measured directly fromР the HPM (e.g., back angle, cushion angle, knee angle, lumbar support prominence, etc.).Р On the HPM, divot points are located in the center of the small gold colored disks on the mechanism. For theР HPD, divot points are represented as data points. These data points have been provided in the HPD file toР allow for a mapping of the HPM location and attitude. Specific locations for the divot points can be found inР Section 16.Р FIGURE 6A—REFERENCE POINTS AND LINESР Р -9-РSAE J4002 Issued FEB2004Р FIGURE 6B—POSTURE ANGLE MEASUREMENTSРР -10-
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