Skookum SK360 User Manual Download Page 1

Throw  out  your  1940’s-technology  mechanical 
flybar,  and  replace  it  with  a  Digital  Flybar.  
Lightening-quick 3D and solid hovering in wind, with 
a  less  complex,  lighter  rotorhead  that  gives  you 
more power or longer flight times!

SK360

Digital
Flybar

User Manual and Setup Guide

©2008 Skookum Robotics, Ltd

2

Rev 1.10

SK360 User Manual & Setup Guide

Table of Contents

1

Intro ...............................................................................3

2

Package Contents ........................................................3

3

Safety.............................................................................4

4

Mounting the Gyro........................................................4

5

Helicopter Airframe Setup ...........................................5

6

How to Check Cyclic Pitch & Phasing ........................7

7

Connections..................................................................9

8

Modes, Indicators, and Power-Up .............................10

9

Gyro Setup Using the USB Interface ........................11

10

After Setup: Final Check!...........................................13

11

Flight with the SK360 Gyro ........................................13

12

Basic Tuning ...............................................................14

13

Remote Bank Switching and Hiller Gain ..................15

14

USB Interface Software Reference............................16

15

Advanced Tuning Options .........................................19

16

Tuning Troubleshooting Guide .................................21

Appendix A: Specifications..................................................23

Appendix B: Firmware Upgrades.........................................23

Appendix C: Warranty and Technical Support ...................24

Summary of Contents for SK360

Page 1: ...Intro 3 2 Package Contents 3 3 Safety 4 4 Mounting the Gyro 4 5 Helicopter Airframe Setup 5 6 How to Check Cyclic Pitch Phasing 7 7 Connections 9 8 Modes Indicators and Power Up 10 9 Gyro Setup Using...

Page 2: ...operty Use of this gyro places a flight control computer the gyro unit between the radio receiver and the servos that drive the swash plate If the gyro unit is mistuned or set up incorrectly loss of c...

Page 3: ...REX you can adapt the flybar mixing arms as travel reduction arms on the rotorhead to reduce the effect of swashplate slop and reduce servo load This will allow higher gains and better performance Som...

Page 4: ...with aileron centered Measure the pitch of the blade that points over the nose 4 If the mechanical setup is ideal the blade should not change pitch If it does you will need to adjust the phase angle e...

Page 5: ...and Power Up The two primary modes are Setup mode and Flight mode chosen by the position of the small switch on the gyro s side Towards the gain dials is Setup mode and away from the dials is Flight M...

Page 6: ...en Step 3 Check the Gyro s Sense Directions Now look at the Gyro Rates fields in the Live Data area Note the Rate fields only sense movement not angle Pick up the heli and slowly tilt it nose up The G...

Page 7: ...t the swash for a right roll 4 Nose up elevator stick should tilt the swash for nose up 2008 Skookum Robotics Ltd 14 12 Basic Tuning If you have set up your helicopter s mechanics properly and the cyc...

Page 8: ...een and the gyro s serial number and firmware revision should be displayed Note the servos may be slightly jittery while connected to the USB port due to noise from your computer If the software will...

Page 9: ...ld slow all the servos evenly to the maximum rate of the centre servo Servo Speed Take this from your servo manufacturer s specifications Units are in seconds per 60 degrees of motion This helps the g...

Page 10: ...slightly nose heavy 2 Check that your swash is level at min zero and max collective pitch while in Setup mode On the servo tab first adjust the swash to be level at zero pitch using the trims then use...

Page 11: ...tics Ltd 22 Symptom Problem Solution Random jitter or jumps in roll and pitch Vibration effects on the gyro Make sure it is mounted on good damping tape and doesn t contact the frame Also check for ta...

Page 12: ...revision number should show up on the top right of the USB interface display 2008 Skookum Robotics Ltd 24 Appendix C Warranty and Technical Support Warranty and Repair Skookum Robotics Ltd warrants t...

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