FeiYu Tech FY-40A User Manual
GuiLin FeiYu Electronic Technology Co., Ltd
FY-40A Flight Stabilization System
Installation & Operation Manual
Dear Customers,
Thank for choosing FY-40A as your inertial stabilization solution. Please read this manual
carefully before using the system to ensure proper use and operation. If you need any technical
support kindly contact us directly: service@feiyu-tech.com .
1、Operating Principle And Function
FY-40A has an integrated three-axis gyro and three-axis accelerometer which controls the
aircraft movement in three-dimensional space. By using your remote control, the unit can be turned
on or off for the following functions:
●Mode 1: FY-40A Deactivated Mode In this mode, the FY-40A stabilization function is turned off.
The aircraft is completely under the control of the pilot.
●Mode 2: Auto Stabilization Mode In this mode, the FY-40A will automatically command the
aircraft control surfaces to maintain level flight at all times.
●Mode 3: 3D Control Mode In this mode, the balancer utilizes its 3-axis gyroscope to sense roll
velocity and flight attitude. If no input is given by the pilot (sticks in the middle position) the FY-40A
will lock the current aircraft attitude. This prevents rolling of the aircraft at the axial plane and
maintains its current posture. Therefore the aircraft can be easily maneuvered to complete a variety
of 3D flight with added stability and smoothness.
Guilin Feiyu Electronic Technology Co., Ltd http://www.feiyudz.cn service@feiyu-tech.com
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GuiLin FeiYu Electronic Technology Co., Ltd
2、Technical Specification And Working Requirement
●Input Voltage : 4.0 ~ 6.0 Volt;
●Current Draw : 50mA (5V);
●Size : 45mm x 30mm x 9 mm;
●Weight (Excluding Wires) : 17g;
●Temperature Range : -25 ° C ~ +70 ° C;
●Maximum Rate Of Rotation : ≤ 2000 °/s;
3、Aircraft Suitability
●Traditional layout fixed-wing aircraft
●Flying wings with rudder
●Flying wings with no rudder
●Airplanes with no ailerons (rudder and elevator only)
●V-tail airplanes with aileron and with no ailerons
4、Standard Configuration
●FY-40A control module * 1
●RC receiver connecting wires * 1
●Velcro double sided tape * 2
●Instruction manual * 1
●Gyro sensitivity adjustment screwdriver* 1
Guilin Feiyu Electronic Technology Co., Ltd http://www.feiyudz.cn service@feiyu-tech.com
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GuiLin FeiYu Electronic Technology Co., Ltd
Attention：When ailerons also were used as the flaps,
Please respectively connect two aileron servos to
AIL1 and AIL2 ports. Make CH6 and AIL channels
linked, also set up a switch to control flap function.
May be only part of the remote control to
support this function. Detailed instructions please
refer to the manual of the remote control.
AIL
RC receiver
AIL1 OUT
AIL1
FY-40A
AIL2
CH6
AIL2 OUT
Color
Function
White (red & black)
Aileron 1 input
Orange
Elevator input
Green
Aileron 2 input （when
your aircraft is using
flap）
Yellow
Rudder input
Brown
Switch channel input
ELE
CH5 is used for switch channel. When the
aileron contain flap function and you want
to use it,please set CH6 as second
aileron input.
THR
AIL1
AIL2
RUD
State
LED
Gyro need reset
RC
stabilized
3D
Gyro rest
Mixed
Orient the arrow towards
the front of the aircraft
When using large torque servo,
We suggest you power on it
alone, you can refer to below :
5V
FY-40A
+5V
GND
Attention： Normally, please do not use AIL2 port,
just use a Y cable to connect two aileron servos
to AIL1 port.
AIL1
Not connect AIL2
AIL1 OUT
Y cable
RC receiver
FY-40A
5、Connection Diagram
Guilin Feiyu Electronic Technology Co., Ltd http://www.feiyudz.cn service@feiyu-tech.com
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