Adjusting The Wheel Tracking; Adjusting The Camber - df models DRIVE&FLY Brushless Speedfighter-X 4WD RC Buggy 1/8 Notice D'utilisation

. Adjusting the wheel tracking

Steering
The track arms located on the steering knuckles are fastened on one track rod (a)
each by means of ball heads. These track rods are in turn connected to the steering
plate (b) by means of ball heads. When the steering plate is moved to the right and
left, the wheels also turn to the right and left.
On the steering plate a lever (c) engages, which is connected elastically on an axis
between the chassis and top deck via a spring to a second lever (d) positioned at a
right angle to it. The second lever is deflected by the servo arm (f) via the steering
linkage (e). The elastic connection between the two levers protects the servo from
impacts against the wheels during travel (servo saver) as a result of the action of
force on the wheels being absorbed and not being directly conducted into the servo
via the steering linkage.
Wheel tracking
Wheel tracking refers to the alignment of the wheels with regard to the longitudinal axis of the vehicle
(direction of travel).
If the wheels of one axle are not parallel to the longitudinal axis when at a standstill, but rather point
inward at the front, this is called toe-in.
Correspondingly, toe-out refers to wheels pointing outward at the front.
When travelling straight ahead, rolling resistance presses the wheels away from one another.
For compensation, the wheels can be adjusted with toe-in when standing still.
This positioning of the wheels can be brought about by changing the length of the track rods.
This changing of length (wheel tracking adjustment) is done using tensioning screws in the right and left track rods.
Toe-in
> Turning the tensioning screw counter-clockwise (to the rear) lengthens the track
rod, and the rear of the wheels is pressed outward.
Toe-in during travel brings about better directional control of the tyre and more
direct response to steering. Driving with toe-in makes the inner sides of the tyres
wear faster.
Toe-out
> Turning the tensioning screw clockwise (to the front) shortens the track rod, and
the rear of the wheels is pressed inward.
Adjusting with toe-out brings about a softer response to steering.
Driving with toe-out makes the outer sides of the tyres wear faster.

. Adjusting the camber

The wheels are attached between the upper and lower wishbones. Changing the length of the top wishbone
brings about a change in the incline of the plane of the wheel.
The wheel camber is the incline of the plane of the wheel with regard to the vertical plane.
When the top edges of the wheels on one axle are inclined inwards (toward the middle of the vehicle), this
is called negative camber. Eine nach aussen geneigte, V-förmige Stellung der Räder wird als positiver Sturz
bezeichnet.
Negative camber on the front axle increases the directional control forces of the wheels when cornering -- the
steering responds more directly. The steering forces become less, and the handling smoother. At the same time the axial bea-
ring play is eliminated, because the wheel is pressed toward the axle onto the steering knuckle.
Negative camber on the rear axle reduces the tendency of the rear of the vehicle to swerve out in curves.
Adjusting with negative camber causes the contact surface of the tyre to shift inward, increasing wear on the inner side of
the tyre.
Adjusting the camber on the front and rear axles
The camber is adjusted using the tensioning screws (arrows) in the top wishbones.
> Turning the tensioning screw clockwise (to the front) shortens the wishbone, and
the wheel is drawn inward at the top toward negative camber.
> Turning the tensioning screw counter-clockwise (to the rear) lengthens the wish-
bone, and the wheel is pressed outward at the top toward positive camber.
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