Walkera Scout X4 and Parts List


The next generation of quadcopters with ground stations and telemetry

Synopsis: Following the success of the H500, the X4 was released to meet the next generation of UAV multirotors.  This is the improved all-in-one FPV ready quadcopter with retractable landing gears. With a 6S 5400 mAh LiPo battery and designed with strong light weight materials, this quad promised a 20 minutes flight time with gimbal, osd and camera loaded.

Known to a few people, one of the underlying strength of the Scout X4 is it uses a variation of the Linux's Dronecode Arducopter.  Walkera iUAS is among the elite group of founding members that leverages the open source software and collaborative development effort to advance Intelligent Unmanned Aircraft Systems (IUAS), as announced in Germany Oct, 12, 2014.

There are two versions of the Scout X4 ground station released, the Android and IOS version, but many users were not aware that they have to choose between the two BT versions, which allows you to use the tablet in the selected platform.  The boxes will be marked with IOS if iPad compatible.

Waypoint Mission Planning
2 Pilots at the same time: one flying and one camera man
Follow Me Mode / Record Track Back To Home
Real time Telemetry
iPad holder with backup power
Transformation: Changeable 4 motors or 8 motors.
Flight Time up to 20 minutes. 6S - 5400 mAh
Quick and easy assembly for the nobs
3-Axis roll & pitch with yaw stabilizer

Where to:
-> Bind and Fly: Direct from BG
-> Competitor's Price: Direct from GB
-> USA Design center: ucdrone.com

Featured on Episode 70, 72 (just a click on a link will support DM):
-> Devo F12E Radio Transmitter

Please see for some highlights, along with some of the tuning you may consider below.

tips couponcoPilots:  One of the key features of a Devo F12E transmitter, the CoPilot Mode, 2 pilots on a Tali H500 hexacopter. Very often you may find it difficult to fly and film at the same time, the Devo F12E allows you to turn any programmable Devo or compatible transmitter into a second transmitter for a CoPilot to share responsibilities. In other words, one person can be flying and the other person can be the camera man. Typically on a Search and Rescue mission, a SAR team will also consist of the pilot, sensor operator and the spotter.

tips couponProps synchronization:  Even though it is not a issue,  you may find the props not starting up at the same time when the throttle is below 10%   You can make this minor change if you prefer to have them trim and proper!.  We will put up a video up shortly, but here is a intro on getting connected to  Mission Planner https://www.youtube.com/watch?v=DTyvcHKNHys


  • Connect to Mission Planner
  • choose Full Parameter List
  • Set THR_MIN as 130
  • Set MOT_SPIN_ARMED as 0
  • [Write] Parameters to save

THR_MIN will make the motors spin when the throttle stick is just above zero (i.e. just above the deadzone at the bottom of the throttle stick).

MOT_SPIN_ARMED was designed to spin the props slowly when armed. It is a visual design, to signal to the pilot the aircraft is armed, be alert, don't forget. If you don't have an On Screen Display (OSD) installed, this can also be useful when you are flying a large model or may be standing at a distance to not be able to look at the LED lights. You can choose to turn it down or turn it off. So the original Scout was set to spin

How to stop stop your G3D rattling:  Depending on your setting, instead of Aux 5, you may need to adjust Aux 6, following the same principles.

Scout x4 was named after our front scout aircrafts that recce the unknown grounds, before a ground search and rescue crew is initiated.  We survey the grounds for potential areas of interest and potential dangers to be noted.

DIYdrone Hangar 1
... behind the scenes Thursday November 10, 2016
Where to:
Bind and Fly: Banggood
Design center: ucdrone.com

Parts Description ERP Part Numbers Estimate
Body set 226467600 Scout X4-Z-02 $36.00
Lampshade 226467700 Scout X4-Z-03 $1.66
Body fixing block 226467900 Scout X4-Z-04 $3.60
Motor heat shield 226468000 Scout X4-Z-05 $1.66
Motor cover 226468300 Scout X4-Z-06 $1.66
GPS fixing accessory 226468600 Scout X4-Z-07 $1.66
Antenna clamp 226468900 Scout X4-Z-08 $1.00
Skid landing fixing accessory 226469200 Scout X4-Z-09 $6.00
Screw set 226469300 Scout X4-Z-10 $4.50
Brushless motor(levogyrate thread)(WK-WS-34-002) 226469500 Scout X4-Z-11 $36.00
Brushless motor(dextrogyrate thread)(WK-WS-34-002) 226469700 Scout X4-Z-12 $36.00
Brushless speed controller(WST-16AH(R)) 226469800 Scout X4-Z-13 $26.66
Brushless speed controller(WST-16AH(G)) 226469900 Scout X4-Z-14 $26.66
Receiver(DEVO-RX709 FCC) 226470100 Scout X4-Z-16 $45.00
Main control board(FCS-X4) 226470200 Scout X4-Z-17 $229.99
Power board 226470300 Scout X4-Z-18 $30.00
USB board 226470400 Scout X4-Z-19 $3.00
SW board 226470500 Scout X4-Z-20 $4.50
Worm servo 226470800 Scout X4-Z-21 $24.00
Li-po battery(22.2V 5400mAh) 226471100 Scout X4-Z-22 $129.00
Signal cable 226471200 Scout X4-Z-23 $6.00
Aluminum carry case 226471400 Scout X4-Z-24 $69.00
Propellers 226458200 TALI H500-Z-01 $7.50
Skid landing mounting pipe 226459000 TALI H500-Z-07 $6.00
Skid landing  pipe 226460000 TALI H500-Z-08 $6.00
Skid landing damping sponge 226460100 TALI H500-Z-09 $1.66
GPS-05 module 226461100 TALI H500-Z-17 $59.99
Charger cable 226461900 TALI H500-Z-23 $3.60
FP  convertor 226462100 TALI H500-Z-25 $3.60
G-2D Gimbal cable 226462900 TALI H500-Z-26 $1.83
Transmitter(TX5803 FCC) 226409500 TX5803 $24.13
Transmitter(TX5810 FCC) 226466300 TX5810 $48.00
Video cable for Gopro3 226443900 QR X350 PRO-Z-15 $2.99
 5.8G Mushroom antenna(TX) 226444800 QR X350 PRO-Z-16 $9.99
 5.8G Mushroom antenna (iLook) 226447700 QR X350 PRO-Z-18 $9.99
iLook+ camera 216701900 iLook+ $199.00
G-3D Brushless Gimbal 226457500 G-3D $169.00
2.4G Bluetooth Datalink(BT-2401A/B FCC) 226467100 BT-2401A/B $329.00
Balance Charger 226444200 IMAX B6 $33.33
AC Adapter 按要求选 IMAX B6 $16.66

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