Steering Wheel - Lexus LFA Owner's Manual

Steering wheel

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The steering wheel features a flat-bottomed design that has 1.10 in. (28 mm) of the
lower half cut away. This reduces the steering wheel's inertial moment and locates
the wheel's rotational center and its center of gravity in almost the same place, almost
completely eliminating any imbalance within the steering wheel itself, reducing the
amount of steering fluctuations imparted by lateral and vertical forces. Ultimately
this provides the driver with a more natural and accurate steering feel. Furthermore,
the use of an aluminum alloy frame and hollow CFRP rim reduces the inertial force
generated by steering inputs.
H o l l o w C F R P
steering wheel rim
Aluminum alloy frame
Steering wheel center
Center of rotation
Turns lock-to-lock: 2.35
45
Steering
Center of gravity