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Product Code:SAE J266
Title:Steady-State Directional Control Test Procedures For Passenger Cars and Light Trucks
Issuing Committee:Vehicle Dynamics Standards Committee
Scope: This SAE Recommended Practice establishes consistent test procedures for determination of steady-state directional control properties for passenger cars and light trucks with single axles. These properties include the gradients with respect to lateral acceleration of steering wheel angle, understeer/oversteer, sideslip, roll angle, and steering wheel torque; the gains with respect to steering wheel angle of yaw velocity, lateral acceleration, and sideslip; the characteristic speed or critical speed; and the total, steering, and tire compliances at the front and rear wheels.
Rationale: This SAE Recommended Practice establishes consistent test procedures for determination of steady-state directional control properties for passenger cars and light trucks with single axles. These properties include the gradients with respect to lateral acceleration of steering wheel angle, understeer/oversteer, sideslip, roll angle, and steering wheel torque; the gains with respect to steering wheel angle of yaw velocity, lateral acceleration, and sideslip; the characteristic speed or critical speed; and the total, steering, and tire compliances at the front and rear wheels.