Neutral steer
on a constant-radius turn, no change in steer angle will be required as the speed is varied. Specifically, the steer angle required to make the turn will be equivalent to the Ackerman Angle,57.3 L/R . Physically,the neutral steer case corresponds to a balance on the vehicle such that the “force” of the lateral acceleration at the CG causes an identical increase in slip angle at both the front and rear wheels.