ALZRC 3GYS Instructions Manual Download Page 3

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The gyro has three installation directions that can be chosen: 1, 2 & 3

Direction 1:

Direction 2:

Direction 3:

6. Servo arm and connecting rod installation

6.1 Swashplate servo

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Firstly, confirm that the rotor head and swashplate mechanical parts are installed correctly, and move

smoothly, before being connected to the servos.

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The proposed position of the ball on the swashplate servo arm is: 250/450 helicopters to 12.5mm-13mm,

500 helicopters to 14mm-14.5mm, 600 level and above to 14.5mm-15mm helicopter

6.2 Rudder servo

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Firstly, verify that tail rotor mechanical parts are installed correctly, and move smoothly, by moving the tail

control pushrod by hand.

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The proposed position of the ball on the tail servo arm is: 250 helicopter to 4.5mm, 450/500 helicopters to

7.5mm-10mm, 600 and above helicopters to 13.5mm-15mm.

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Temporarily install the tail control rod on the rudder servo arm ball. With the servo arm square to the control

rod, adjust the length of the tail control rod for a tail pitch of 8 degrees.

Summary of Contents for 3GYS

Page 1: ...Operating temperature 10 to 50 Maximum angular rate 800 degrees sec Support for the rudder servo 1 52ms analog servo 1 52ms digital servo 760us digital servo 960us digital servo Support for swashplate...

Page 2: ...ontal alignment on a stable platform as far as possible away from the engine and other electronic devices the gyro should be installed using double sided foam adhesive between the gyro bottom and gyro...

Page 3: ...copters to 12 5mm 13mm 500 helicopters to 14mm 14 5mm 600 level and above to 14 5mm 15mm helicopter 6 2 Rudder servo Firstly verify that tail rotor mechanical parts are installed correctly and move sm...

Page 4: ...internal fine tuning value Sub trim to zero Ensure that all swashplate and tail rotor mixing functions are turned off Initially adjust the pitch curve to be a straight line from minimum to maximum pi...

Page 5: ...ht Note that U up is stick up and not up elevator Position the throttle at mid stick and adjust all four channels on the monitor display so the value shows 0 This is done by using the transmitters int...

Page 6: ...es for the gyro shown earlier in the manual to match the actual installation in the helicopter When finished press the BACK key to return to Installation Direction 9 3 Download model data stored in th...

Page 7: ...N DATA keys to select the required servo type When finished press the BACK key to return to Tail servo type 9 5 Model type selection helicopter swashplate type selection When the screen shows Tail ser...

Page 8: ...nd down and check that all of the servos move in the same direction and that the ailerons and elevator also operate correctly If not adjust the Servo 1 Servo 2 Servo 3 symbol It may sometimes be neces...

Page 9: ...OWN DATA key to display Collective range and then press ENTER to select it Move the throttle stick to the top and check the collective moves in the correct direction If not change the Collective range...

Page 10: ...For the first flight these values should be left as the default If the helicopter drifts in the hover increase the roll and pitch gain If the helicopter oscillates in the hover reduce the roll and pit...

Page 11: ...e mechanical structure of the helicopter checking for loose screws and mechanical parts that are badly worn Always check before each flight that the helicopter s mechanical movement is smooth If durin...