roll steer

roll steer
A characteristic of handling which gives a slight improvement to steering as the suspension moves in body roll. Sometimes a bad roll steer occurs when the suspension is poorly designed. A steering effect induced by load transference from side to side. The axles may move out of their normal parallel relationship due to spring deflection.

Dictionary of automotive terms. 2015.

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  • roll steer coefficient — the rate of change in roll steer with respect to change in suspension roll angle at a given trim …   Mechanics glossary

  • roll steer effect — See roll steer …   Dictionary of automotive terms

  • roll steer — the change in steer angle of front or rear wheels due to suspension roll …   Mechanics glossary

  • roll oversteer — roll steer which decreases vehicle understeer or increases vehicle oversteer …   Mechanics glossary

  • roll understeer — roll steer which increases vehicle understeer or decreases vehicle oversteer …   Mechanics glossary

  • steer — See bump steer neutral steer ride steer roll steer roll steer effect toe steer torque steer …   Dictionary of automotive terms

  • steer — compliance steer compliance understeer compliance oversteer neutral steer oversteer roll steer roll understeer roll oversteer understeer …   Mechanics glossary

  • roll — The motion of a vehicle in which the springs on one side of the vehicle compress while the springs on the other side extend. If the roll is extensive, the vehicle will fall on its side. Also less accurately called sway or lean, it occurs in… …   Dictionary of automotive terms

  • steer effect — See roll steer effect …   Dictionary of automotive terms

  • Bump Steer — is the term for the tendency of a wheel to steer as it moves upwards into jounce. It is typically measured in degrees per metre or degrees per foot.On modern cars the front of the tire moves outwards, as the suspension is raised, a process known… …   Wikipedia

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