Steer Lab OFFLINE PRACTICE

Local-only simulator · no data collected

Wheel geometry, made visible

Turn the wheel.
Watch the car respond.

Explore how steering input changes the two front wheels, while the rear wheels stay aligned with the car and follow their own paths.

01 · Your input

Steering wheel

Centered
0°
← LEFT
RIGHT →
STEERING INPUT 0° Straight ahead

←→ adjust by 15° · Home centers the wheel

02 · Vehicle response

Wheel paths

Front tires Rear tires Turn center
Paused

Average front-wheel angle

0.0° Road wheels straight

Inside front wheel

0.0° —

Outside front wheel

0.0° —

Rear wheels

0.0° Aligned with car body

Turning radius

— Measured from rear axle

03 · What to notice

One steering input creates four different paths.

The steering wheel turns the front tires. The rear tires do not pivot; they remain square to the vehicle and follow the front tires through the turn.

1

Front wheels point into the turn

Turn left and both front tires point left. Turn right and both point right.

2

The inside tire turns farther

In a tight turn, the inside front tire uses a larger angle than the outside tire. This simplified Ackermann model shows why.

3

The rear axle traces the pivot

The car rotates around a point near the rear axle. The inside rear tire follows the smallest circle.