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Compare your measured steering angles against true Ackermann geometry. Example values shown.
Kingpin spacing is the distance between the steering pivot axes, not track width. Measure angles at full lock with a protractor or steering gauge.
Solid lines: your angles. Dashed: ideal outer angle.
100% = true Ackermann. 0% = parallel steer. Negative = reverse (anti) Ackermann, where the outer wheel turns more. Many drift setups run near parallel or reverse at full lock because the car is sliding, not rolling through the turn.