FeiYu Tech FY-41AP User Manual
FY-41AP AutoPilot & OSD System
Guilin Feiyu Electronic Technology Co., Ltd
Addr : 4th Floor,YuTaiJie Science Technology Building,Information Industry
Park , ChaoYang Road ,Qi Xing District ,Gui Lin ,541004
Website: www.feiyu-tech.com
Email: service@feiyu-tech.com
Installation & Operation Manual
Applicable to the fixed wing
firmware V1.20 and above version
Guilin Feiyu Electronic Technology Co., Ltd.
Table of content
User Agreement ................................................................................................................................ 1
1. FY-41AP AutoPilot System Introduction ..................................................................................... 2
2. Function Introduction ................................................................................................................ 3
2.1 FY-41AP Single Module Function ....................................................................................... 3
2.2 FY-41AP with GPS function................................................................................................. 4
2.3 OSD Video Overlay System Function .................................................................................. 5
2.4 FY-41AP can be connected to a data link ........................................................................... 5
3. FY-41AP Configuration ............................................................................................................... 5
4. FY-41AP Connection Summary ................................................................................................... 7
5. S1~S8 Servo Interface Connection Instructions ......................................................................... 8
6. Connection Introduction ............................................................................................................ 8
7. Main Module Installation ......................................................................................................... 10
7.1 FY-41AP module installation ............................................................................................ 10
7.2 GPS module install ........................................................................................................... 11
7.3 Power manager module install ........................................................................................ 11
7.4 Power manager module install ........................................................................................ 11
7.5 Remote control setting: SW1&SW2 ................................................................................. 12
7.6 Gyroscope Reset ............................................................................................................... 12
7.7 FY-41AP indicator light instruction ................................................................................... 13
7.8. OSD interface instruction ................................................................................................ 14
8. FY-41AP Setting ........................................................................................................................ 15
9. FY-41AP first flight test checklist .............................................................................................. 28
10. Other functions and settings .................................................................................................. 30
10.1 Switch (SW2) function setting ..................................................................................... 30
10.2 RC Max Distance Setting.............................................................................................. 30
10.3 Circling Radius Setting ................................................................................................. 31
10.4 The altitude of Return To Launch instructions ............................................................ 31
10.5 FAIL-SAFE setting ......................................................................................................... 31
10.6 Fixed altitude & Heading lock Mode instruction ......................................................... 32
10.7 3D Mode instruction ................................................................................................... 33
10.8 Auto Circling Mode instruction ................................................................................... 33
10.9 Waypoint Navigation Flight Mode instruction ............................................................ 33
10.10 Link Mode (RC receiver control mode/Data radio control mode) ............................... 33
Guilin Feiyu Electronic Technology Co., Ltd http://www.feiyu-tech.com service@feiyu-tech.com
Guilin Feiyu Electronic Technology Co., Ltd.
Dear Customer :
Thank you for choosing FY-41AP as your autopilot system. Please read this manual
carefully to ensure correct installation & operation. FY-41AP has fixed wing and Multi-rotor
version, you can choose fixed wing or Multi-rotor version by upgrading the firmware .
Now you are reading the manual of V1.20 firmware for fixed wing version.
User Agreement
The use of FY-41 AP is prohibited for any illegal intentions and purposes. The user
will be fully responsible for the use of this product and FY-Tech will not be held liable it's
misuse either in its original or altered state by the customer (including the direct, indirect,
or third party losses caused by a faulty plane or plane crash).
Please read this manual carefully before using this product. If you have any questions,
do freely contact us and we will attempt to provide you with a satisfactory clarification
and/or resolution should it be required. The products‘ functions maybe changed only by
firmware upgrades which is available from our website from time-to-time. Please do check
our website for available firmware upgrades. The company reserves the right to alter the
contents of the product firmware.
This agreement takes immediate effect upon the purchase of the product.
Attention
The installation and use of this device require some skill and knowledge in flying
remote controlled aircraft.
If you are a complete beginner & have never flown one before, we do not recommend
you install this device on your own. Please find an experienced RC pilot who may provide
you with the basic knowledge required to use this device successfully.
If you are already an experienced flyer, you will find the FY-41AP installation to be
easy & logical. Follow this manual & you won‘t go wrong.
If you need further technical support, contact us at: service@feiyu-tech.com
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Guilin Feiyu Electronic Technology Co., Ltd.
1. FY-41AP AutoPilot System Introduction
FY -41AP Module
FY-41AP is an inertial attitude measurement instrument used for FPV flight on
fixed-wing aircrafts and multi-rotors aircrafts. It has an integrated OSD video overlay
system that presents critical flight information such as power management, airspeed,
altitude, and flight direction via its electronic compass, allowing for a clear visual flight
while ensuring key information is within sight.
The new FY-41AP with its enhanced Altitude Control and GPS module, can now
realize improved pinpoint inertial navigation and automatic piloting.
Flight stabilization is achieved via an integrated 3 axis gyro, 3 axis accelerometer, 3
axis magnetometer and a barometric pressure sensor. This enables the module to
accurately measure flight attitude, earth azimuth & relative altitude to achieve:
Extremely stable conventional flight pattern
Stabilized 3D flight
Automatically return to home (RTL)
Fixed altitude flight
Heading lock flight
GPS waypoint flight
Auto circling over a fixed GPS location.
GPS Module
GPS module– enables the FY-41AP to calculate the flight course & sense the exact
location of the aircraft. GPS Data allows aircraft return to home (RTL), Auto Circle, Fixed
altitude, Heading lock flight and fully autonomous flight via GPS waypoints setting.
Airspeed Module
The Airspeed Sensor included enables the system to automatically control airspeed
via throttle management and prevents the aircraft from stalling and ensures a stabilized
flight.
Compared to GPS the Airspeed Sensor reacts quicker and is affected less by the
wind.
OSD System
FY-41AP has integrated OSD hardware with optimizing display interface. Critical flight
parameters are displayed like Altitude, Speed, Direction, flying voltage and Amp draw, and
most display parameter outlay can be changed via RC control.
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Power Manager Module
FY-41AP can connect Power Manager Module which is integrated with Current
Sensor module and Voltage-Regulating module. Current Sensor is used to check voltage,
Amp draw. The integrated Voltage-Regulating module provides stable +12V to FPV video
camera and video transmitter.
Altitude Control
Altitude control - is achieved using a high sensitivity barometric sensor which
measures relative height. Altitude is fixed via elevator servo control and throttle
management.
Heading Control
Heading control – is achieved by utilizing the three axis magnetometer, which senses
the aircraft heading angle. Both the aileron & rudder servo is used to control flight heading.
GPS data is used to automatically correct heading even in windy conditions.
Speed Control
The airspeed information is made available when using with the GPS module. For
more accurate airspeed information, the included Airspeed Sensor should be connected
to FY-41AP.FY-41AP, will automatically select the airspeed reading from the latter and
display within the telemetry information.
2. Function Introduction
2.1 FY-41AP Single Module Function
● Activated Mode In this mode, the FY-41AP auto stabilization is turned off. The
aircraft is completely under pilot control.
● Stabilized Mode Level flight is automatically maintained, making flight simple,
especially for beginners. If a pilot feels the plane is out of control, simply reduce input
control and the plane will automatically recover level flight.
● 3D Mode If no input is given by the pilot (all sticks in the middle position), 3D
mode will lock the current aircraft attitude. Therefore the aircraft can be easily
maneuvered to complete a variety of 3D flight with added stability & smoothness.
● Fixed altitude & Heading lock Mode This mode maintains aircraft flight course
& holds the altitude on activation. By using GPS data, the system automatically corrects
flight course deviation & maintains straight-line flight.
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● Auto Circling Mode On activation, the plane will maintain altitude and flight speed,
while initiating a counterclockwise circle, but this is not hovering around a fixed point, is
likely to be blown away from the original place of circle.
2.2 FY-41AP with GPS function
● Fixed altitude & Heading lock Mode This mode maintains aircraft flight course
& holds the altitude on activation. By using GPS data, the system automatically corrects
flight course deviation & maintains straight-line flight.
● Waypoint Navigation Flight Mode Enable you to fly fully autonomous, with up to
20 waypoint settings via the FY Ground Control Station (GCS) software.
● Auto Return To Launch Mode (RTL) Upon activation of this Mode, the aircraft
will automatically return to the Home point, maintaining is current altitude. Upon reaching
the Home point, it will initiate auto circling.
After the aircraft back to the target point ,if the altitude greater than 100 meters , the
aircraft will down to 100 meters while circling. For the FY-41AP, there is 50 meters
protection altitude for return home .If the altitude below 50 meters when activate into RTL,
the aircraft will climb to 50 meters while return.
Function of reduce the altitude automatically after return home ,and the minimum
protection altitude function just applicable to the firmware V1.20 orabove version.
● Auto Circling Mode On activation, the plane will maintain altitude and flight speed,
while initiating a counterclockwise circle. The centre of the circle is the point of activation
at a default radius of 80 meters (can be changed via FY GCS).
● GCS software By using a field computer and connecting the FY41AP to an FY
Data Radio via the UART port, you can set the FY41AP flight parameters, monitor the
flight progress & record / reply the flight via the FYGCS software. For more information,
please refer to the FY Data Radio manual.
NOTE:
1 ) After upgrading to firmware V1.20 or above version, the remote control lever
(AIL ,ELE,THR,RUD) no longer can control the aircraft in the navigation mode except
Fixed altitude & Heading lock Mode.
2 ) After upgrading to firmware V1.20 or above version, Operation the throttle lever is
invalid in Fixed altitude & Heading lock Mode, in this mode operation AIL,ELE,RUD
lever are effective.
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NO
.
Module
Introduction
1
FY-41AP module
Size: 58mm*37mm*19mm
Weight: 34g
2
GPS receiver module
Size: 32mm * 32mm * 13.5mm
Weight：24g
3
Integrated with Current Sensor and regulate voltage
module to provide stable +12V to FY-41AP and FPV
video camera and transmitter at the same time.
Size: 50mm*24mm*18mm
Weight: 35g
2.3 OSD Video Overlay System Function
First Person View (FPV) FY-41AP has an integrated OSD video overlay system
that presents critical flight information on the video for easy enjoy FPV, at the same time,
Auto stable, Fixed altitude & Heading lock, Waypoint Navigation , Auto Return To Home
function will make FPV operation more easy.
2.4 FY-41AP can be connected to a data link
Connecting to a Data Link can increase flight distance. Additionally, when used with
FY-GCS (Ground Control Station) System you can view telemetry data of flight conditions
and more effectively, you are able to make changes real-time including setting of flight
path and other parameters including flight attitude etc.
3. FY-41AP Configuration
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4
To measure airspeed
Size: 64.5mm * 13.5mm * 13.5mm
Weight: 9g
5
For FY-41AP upgrade version
For connect data link to PC
For connect remote adapter to PC
6
For connect FY-41AP to remote receiver
7
For connect video camera or video transmitter
8
Can weld to power manager module for connect the
batter and ESC
9
GPS extension wire
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4. FY-41AP Connection Summary
Z
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No.
Type
Traditional
Flying wing
V tail
Airship
S
Aileron servo 1
Aileron &Elevator
mix control servo 1
Aileron servo 1
Not use
S2
Elevator servo
Aileron &Elevator
mix control servo 2
Elevator &Rudder
mix control servo 1
Elevator servo
S3
Throttle
servo/ESC
Throttle servo/ESC
Throttle servo/ESC
Throttle
servo/ESC
S4
Rudder servo
Not use
Elevator &Rudder
mix control servo 1
Rudder Servo
S5
Aileron servo 2
Not use
Aileron servo 2
Not use
S6
Not use
Not use
Not use
Not use
S7
Not use
Not use
Not use
Not use
S8
Not use
Not use
Not use
Not use
Connection Picture
Introduction
S1～S8 servo wiring connection
Pay attention to the signal wiring
sequence
Power manager wiring
GPS module wiring
5. S1~S8 Servo Interface Connection
Instructions
NOTE: When using remote adapter, S7 and S8 output the channel 7 and channel 8
signal of the RC receiver directly.
6. Connection Introduction
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2×4P RC receiver wiring
For FY-41AP
Black Red White —— AIL
Orange —— ELE Green —— THR
Yellow —— RUD Brown —— CH5
Blue —— CH6
Airspeed meter wiring
Video camera wiring
Yellow-video signal
Red--+12V
Black--GND
Video transmitter wiring
Yellow-video signal
Red--+12V
Black--GND
Connect the USB data cable to
UART1 port to firmware upgrade for
FY-41AP control module
Connect the USB data cable to
UART2 port to firmware upgrade for
OSD module
Data link wire
Connect the FY-602 data radio to
UART1 port
Vibration absorbing pads
(dampers),use for FY-41AP
vibration damping installation.
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