User manual

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13. Checking the Gyro
The gyro system is installed and connected in the model helicopter ex works. The system recognises uncontrolled ro-
tating movements of the model helicopter around the vertical axis (main rotor shaft) by a sensor; this may be caused,
e.g, by a gust of wind.
The tail rotor servo is controlled via the integrated electronics so that the rotating movements are already countered
whenstarting.Thisway,thetailofthehelicopteralwaysremainsstablyalignedwiththecurrentdirectioninanyight
situation.
Controlcommandsfromthetransmitterarepassedontothetailservouninuencedbythegyrosystem.
a) Connecting and Installing the Gyro
The gyro was switched between the receiver and the tail
servo at the factory installation of the model helicopter
(seesketchgure18).
The gyro (1) is connected to the 3-pole connection plug
(2) at the receiving output for the tail servo. For the gyro
sensitivity to be adjusted by remote control, the single-
pole control input (3) is connected to a free channel at
the receiver.
The tail servo (4) is connected to the gyro with the servo
connection cable (5). This means that the gyro is swit-
ched between the receiver and the tail servo.
For the gyro (1) to stabilise the tail of the helicopter, it
must be vibration-dampened, but rmly connected to
the chassis. Therefore, double-sided adhesive tape has
been used to attach the gyro on the mounting platform
(seegure19,item2).
When inserting the ight battery, always observe rm
bonding of the gyro to the helicopter chassis. If the con-
nection comes loose, the helicopter‘s ight behaviour
will become uncontrollable.
Figure 18
Figure 19