# steer angle

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steer angle
the angle between the projection of a longitudinal axis of the vehicle and the line of intersection of the wheel plane and the road surface.

Mechanics glossary. 2013.

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• Ackerman steer angle gradient — the rate of change of Ackerman steer angle with respect to change in steady state lateral acceleration on a level road at a given trim and test conditions. Note: Ackerman steer angle gradient is equal to the wheelbase divided by the square of the …   Mechanics glossary

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• Caster angle — is the angular displacement from the vertical axis of the suspension of a steered wheel in a car, bicycle or other vehicle, measured in the longitudinal direction. It is the angle between the pivot line (in a car an imaginary line that runs… …   Wikipedia

• suspension steer and roll properties — it is possible for a vehicle to be understeer for small inputs and oversteer for large inputs (or the opposite), since it is a nonlinear system and does not have the same characteristics at all trims. Consequently, it is necessary to specify the… …   Mechanics glossary

• compliance steer — the change in steer angle of front or rear wheels resulting from compliance in suspension and steering linkages and produced by forces and/or moments applied at the tire road contact …   Mechanics glossary

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• steering wheel angle — angular displacement of the steering wheel measured from the straight ahead position (position corresponding to zero average steer angle of a pair of steered wheels) …   Mechanics glossary

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