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SAB Heli Division Goblin Urukay Manual

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IN FLIGHT
During its first flights the Goblin has to be “run in”.
The Damper, the main gear, the uniball and other parts must undergo some slight wear to operate smoothly. It is likely that
during the very first flights the model may exhibit a swaying phenomena, particularly at low head speed.
This phenomena disappears after a few flights.
If you want to fly in a generic way, using both low headspeed and high headspeed, the standard setting is the best compromise.
However, if you prefer flying at low speed [<
1900
rpm], for best results we recommend changing the tail pulley for a smaller
one to increase tail rotor rpm. In this way, you will have extremely precise tail control even at low RPM. This pulley is available
in the upgrade list [
H0154-S
]
SERIAL NUMBER
In Bag 21, i will find the serial number tag for your Helicopter
Sticking the tag as show. Please remember to register your product. (See page 1)
OPERATIONS BEFORE FLIGHT
*Set up the remote control and the flybarless system with utmost care.
*It is advisable to test the correct settings of the remote and flybarless system without main blades and tail blades fitted.
*Check that all wiring is isolated from the carbon/aluminum parts. It is good practice to protect them at the points where
they are at most risk.
*Be sure of the gear ratio, verifying carefully the motor pulley in use. The forces acting on the mechanics increase
enormously with increasing of rpm. Although the Goblin can fly at high rpm, for safety reasons we suggest to not exceed
2100 rpm.
*Check the correct tension of the tail belt through the belt tensioner.
*Fit the main blades and tail blades. (Fig.1 and Fig.2)
*Please make sure the main blades are tight on the blade grips, you should be able to violently jerk the head in both
directions and the blades should not fold. Failure to tighten the blades properly can result in a boom strike.
To fold the blades for storage, it is advisable to loosen them.
*Check the collective and cyclic pitch. For 3D flight, set about +/- 12°.
*It is important to check the correct tracking of the main blades.
*On the Goblin, in order to correct the tracking, adjust the main link rod as shown in figure 3. This is provided with a right/left
thread system that allows continuous fine adjustments of the length of the control rod; for this adjustment it is not necessary
to detach the ball link.
*Perform the first flight at a low headspeed, 1500/1600 RPM.
After this first flight, do a general check of the helicopter. Verify that all screws are correctly tightened.
Blade
Washers
(H0158-S)
Metric Hex Nylon Nut M3
(HC206-S)
Socket Head Cap Screw
Special M3x18mm
(HC079-S)
Metric Hex
Nylon Nut M5
(HC218-S)
Socket Head Cap
Screw M5x35mm
(HC116-S)
Bag 20, Bag 21
Page 32
Chapter 15, In Flight
… 34 …


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