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Tail function
Since the main rotor of the helicopter rotates clockwise (looking from above), the tip of the fuselage turns to the left and
the tail to the right due to the anti-torque. To prevent this, the helicopter is equipped with a tail rotor the blades of which
have a rigid angle of attack.
Depending on the speed, this pushes the tail anti-clockwise to a greater or lesser extent to balance the anti-torque. In
addition to automatic speed regulation which ensures that the helicopter tail does not swing around when the helicopter
is hovering, the speed can be varied specifically to allow you to steer the helicopter in the desired direction.
The control of the tail function is effected with the left control stick as well (see ill. 1, pos. 7). If the stick is moved slightly
to the left, the tip of the fuselage will turn left (when looking from above or behind). If you move it to the right, the tip of
the fuselage turns to the right as well.
Illustration 13b
Roll function
The roll function allows you to move your model helicopter sideways to the right and to the left (looking from behind).
The control is effected with the right control stick (see ill. 1, pos. 8). If the stick is moved slightly to the left, the swashplate
will be tilted to the left by the three servos, and the helicopter will drift sideways to the left. If you steer to the right, the
model will drift sideways to the right.
Illustration 13c
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