DJI Wookong-H - Manual (Page 3)

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DJI WKH Introduction
WKH is the flight system designed for serious scale helicopter enthusiasts providing GPS for self-leveling, position hold, speed control
and built-in tail gyro which completely takes the stress out of flying RC helicopters for both professional and hobby applications. WKH
can be installed in a variety of models, from small electric helicopters to large gasoline and turbine helicopters. WKH Lite is the no GPS
and LED version of WKH.
Multiple control mode based on autopilot system:
Lite There is no GPS Atti. Mode in WKH Lite.
GPS Atti. Mode Atti. Mode Manual Mode
Command Stick Meaning
Helicopter attitude control; Stick center position for 0
˚ attitude, its endpoint
for 45
˚which is a fixed limit.
Mechanical driving
directly
Command Linearity YES NO
Stick Released
Lock helicopter position when GPS
signal is adequate
Only altitude stabilizing
Recommend for
experience pilot
Altitude lock Best maintain altitude above 3 meters NO
Flight Altitude
No limit, but will switch into Atti. Mode
automatically over 50m.
No limit No limit
Stabilization Flybarless stabilizing on ELEV and AILE direction is available for all control mode
GPS Lost
After 10s when GPS signal lost, system
enters
Atti. Mode . Automatically.
Only performing attitude
stabilizing without position lock.
---
Safety
Attitude & speed mixture control ensures stability.
Depends on experience
Fail-safe featured, auto hover or level if transmitter signal lost
Appropriate Applications High agility for all flying ---
Built-in functions include:
 Integrated tail gyro
The flying direction (YAW) of helicopter will be effected by
cross wind. WKH can detect the drifting angle & Speed, and
control the rudder servo to eliminate such influences.
In the case of flying forward in cross-wind, Tail Gyro can work
on two different modes as the example shown.
Heading
Heading
Head-locking Mode
Rate Mode
Cross-Wind
1 2 3
 Flybarless rotor head support
 Integrated engine governor for internal combustion engines
 Build-in semi auto take off & landing