Futaba CGY750 Manual de usuario descargar pdf (Pagina 4)

EPLACEMENT &

PTIONAL

TEMS

Futaba PC Interface CIU-2: FUTM0951

Extension 200 mm:

Extension 350 mm:

Extension 55 mm:

Extension 80 mm:

Extension 130 mm:

Mounting Pad:

1x22x22 mm (10)

WARNING

Newer high end servos and other radio equipment

are capable of placing large demands on the power

systems in use today. When using a regulator you

must ensure that the regulator is capable of supply-

ing the current demands of the equipment you have

selected. In addition to this make sure the wiring

and switch you have selected are capable of han-

dling high current draws.

• The servo current draw can be up to 50% higher on a ﬂybar-

less helicopter. Always ensure your receiver battery is fully

charged before each ﬂight.

Even though the CGY750 is a high performance

gyro and governor, it will be necessary to ensure

that the helicopter mechanics are also in optimum

operating condition. Please use the guidelines be-

low and address all issues before installing and ﬂy-

ing the CGY750.

• The CGY750 must be used with a rigid tail rotor drive system.

Any modern torque tube or belt drive system should be ad-

equate. Do not attempt to ﬂy the CGY750 using a wire driven

tail rotor system.

• Always ensure the drive gears, torque tube, pulleys, belt,

bearings and shafts are in proper working condition. If any of

these items are damaged or worn they must be replaced.

•

The linkage rod, tail rotor bell crank, pitch slider and tail rotor

grips must operate without friction to obtain the best perfor

mance from the CGY750. Binding in the tail rotor control linkage

will decrease the performance of the CGY750 gyro and this may

also shorten the servo lifespan. Please take the time now to en

sure the tail rotor system on your helicopter is working correctly

and without friction or binding.

• Vibration will affect the CGY750’s overall performance. All

rotating components on the helicopter should be balanced

to minimize vibrations in flight. Ensure that your engine or

electric motor is running smoothly and that all vibrations have

been addressed before installing and test ﬂying the CGY750.

Gyro sensor replacement:

• Each CGY750 gyro control box is calibrated speciﬁcally for

the gyro sensor included. Do not attempt to use another

CGY750 sensor with the control box as performance will suf-

fer due to being out of calibration. The calibration process

must be completed by an authorized service center.

If your sensor needs replacement, please send the complete

unit to your region’s support center for repair.

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Gyro Sensor

• Elevator (Pitch) axis

• Rudder (Yaw) axis

• Aileron (Roll)

axis

YRO

ENSOR

NSTALLATION

Important: The CGY750 gyro sensor must be mounted so that the

roll and pitch sensing axis are in alignment with the helicopter. Any

misalignments over 1/2 of a degree will cause a loss in performance.

Please take extra care in this step to ensure the optimum ﬂight perfor-

mance.

TROUBLESHOOTING

If any issues are noted during ﬂight (such as drifting, inconsistent hold

or inconsistent control rates) then please review the following trouble-

shooting recommendations.

1. Always verify that the tail rotor and swash plate mechanisms oper-

ate, and that the drive system is in proper working order.

2. Electromagnetic interference could be causing the problem. If you

feel everything is set up correctly and that the helicopter is vibration

free, then consider moving the gyro sensor to a new location away

from servos, ESC and drive motors.

3. Vibrations will decrease the performance of all gyro systems. Even

though the CGY750 gyro sensor is the most vibration resistant gyro

sensor available, eliminating vibrations will always improve perfor-

mance. Throughout extensive testing it has been found that the

CGY750 gyro sensor performs best when the sensor is mounted

rigidly to the airframe. This is mainly due to the sensing of all 3

axes. It is highly recommended to avoid using soft foam pads as

this may allow the gyro to bounce around on the roll and pitch axis,

causing instabilities and possible loss of control during ﬂight.

• The bottom of the CGY750 Gyro

Sensor must be perpendicular to

the main shaft.

• The roll axis must be parallel to

the tail boom and the pitch axis

must be perpendicular to the side

frame.

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Futaba CGY750 Manual de usuario Pagina 4

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