In this case the vehicle is referred to as a “zero turning radius” vehicle. A notable exception in this description is of vehicles that are capable of spinning around their central axis, such as certain lawnmowers and wheelchairs as they do not follow a circular path as they turn. The term ‘curb-to-curb’ indicates that a street would have to be this wide before this car can make a u-turn and not hit a street curb with a wheel. A ‘curb’ or ‘curb-to-curb’ turning circle will show the straight-line distance from one side of the circle to the other, through the centre. Usually, two different measurements can be quoted for a vehicle. For example, a vehicle with a very small turning circle may be described as having a ‘tight turning radius’. DESCRIPTION: This is a layout drawing of various vehicle turning circle/radius layouts. It is often used as a generalized term rather than a numerical figure. The less confusing term ‘turning circle’ avoids the mistaken jargon use of the word ‘radius’. In the jargon sense, it is commonly used to mean the full diameter of the smallest circle, but in technical usage the turning radius is still used to denote the radius. The term turning radius is a technical term that has become popular automotive jargon. Aashto turning templates dwg Outer Radius: 19’2 5.85 mInner Radius: 11’6 3.5 mPath Width: 7’6 2.3 m minimumVehicle Wheelbase: 8’10 2.7 mVehicle Length: 15’6 4.74 mVehicle Width: 5’9 1.
When new streets are designed or routes for transportation are planned it is essential that architects and engineers keep in mind the turning radius of the vehicles that will use that street. The turning radius is the space a vehicle needs to make a certain turn, usually within the confines of a road. templates these had turning paths for degrees of turns at 30 degree increments from 30 degrees to 180 degrees and holes punched in the center of the radius turn and along the swept path for easy plotting of the swept path.
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