The vehicle path drawn using the CAD drawing tools (see Tools -> Toolbars Overview: General Toolbar). If there is more than one axle in the last axle group, the Minimum Inner Turn Radius is based on the center of the axle group. The radius of the arc formed by the wheel closest to the center of the vehicle turn at its maximum Steering Lock Angle. This angle is zero degrees when the parts are aligned. The maximum angle that can occur between adjacent vehicle parts, such as between the tractor and trailer of a semitrailer. The time in seconds that an average driver would take under normal driving conditions to turn the steering wheel of a vehicle from the lock position on one side, to the lock position on the other side. The friction value is assumed to decrease as the speed increases. The side friction or Lateral Friction factor is the coefficient of friction between the vehicle's tires and the road surface.
EĮnvelopes refer to the lines traced out by the selected vehicle elements or clearances from these elements (see Swept Path and Tire Tracks). DĪ set of dimensions for a common vehicle which defines a standard used by a particular jurisdiction for typical road design conditions. The angle between adjacent vehicle parts, such as between the tractor and trailer ofĪn approximate numerical method used to calculate the positions and orientations of the body of a vehicle and any trailing articulating components as it moves forward, given a starting position and the path to be followed by the vehicle's front axle.
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