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SAE J1521_200902
- Truck Driver Shin-Knee Position for Clutch and Accelerator
- standard by SAE International, 02/10/2009
- Publisher: SAE
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This SAE Recommended Practice describes two-dimensional, 95th percentile truck driver, side view, seated shin-knee contours for both the accelerator operating leg and the clutch operating leg for horizontally adjustable seats. There is one contour for the clutch shin-knee and one contour for the accelerator shin-knee. There are three locating equations for each curve to accommodate male-to-female ratios of 50:50, 75:25 and 90:10 to 95:5.