46
b) Setting the Alignment
Wheel alignment (toe-in = figure “a”, toe-out = figure “b”) describes the
relation of the wheel level to the driving direction.
While driving, the tyres are pushed apart in the front because of the
rolling friction. This is why they are no longer precisely parallel to the
driving direction. To balance this, the tyres of the stationary vehicle can
be adjusted so that they point slightly inwards. This toe-in improves the
lateral cornering of the tyres and thus a more direct response to the
steering.
If a milder response to steering is desired, this can be achieved accord-
ingly by adjusting a toe-out, i.e. the wheels of the stationary vehicle
point outward. An alignment angle of 0° on the front axle ensures the
best driveability on almost any ground.
An alignment angle of more than 3° toe-in (a) or toe-out (b) will lead to handling problems and decreased
speed. It will also increase tyre wear.
The figure above shows a strongly over-emphasised setting that is only used for showing the difference
between toe-in and toe-out. If such a setting is used for the vehicle, it will be very difficult to control!
Set alignment for the front wheels:
For the front axle, toe-in and toe-out can be
set by turning the steering arm (A).
Because the steering arm has a left and right
hand thread at either end, it does not need to
be dismantled to be adjusted.
Twist the hexagon with a suitable open-end
wrench.
Turn both steering arms evenly (left and right front wheel). Otherwise, you need to adjust the trim of the
transmitter or even change the steering servo control (e.g. adjust servo rod).
The alignment of the rear wheels is permanently pre-set and cannot be changed.
Figure 5
A
¦ ¦
a
b
Figure 4
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