ARRIS X-Speed 250B Assembling Manual
1. Install the Arm
Take the arm and rudder landing gear out from the package. And install the landing gear to the
arm by M3X12 screw and M3 nut.
2. Install the motor and ESC to the arm
Please prepare the motor, ESC and the M2x6 screw.
2.1. Use the M2 x 6 screw to mount the motor to the arm.
This picture below is ARRIS 2204 motor connected with ARRIS 12A ESC.For different
motors, it may not the same.
2.2. Install the ESC according to the above picture.
4 arms installed well now
3. PDB Soldering
The picture below is the electrical principle chart of the lower plate of the PDB board. The
white line refers to the outer shape of the PDB; the yellow circle refers to the soldering point
and the green font refers to the definition of the soldering point.
3.1. Here we need two wires: one is cable from the camera package, and the other is the JST
male plug wire from the PDB bag.
3.2 Solder the wire to the PDB according to the following picture
4. Install the main frame
Please prepare the lower main plate, damper ball and vibration damper plate
5. Install the Battery frame and the camera vibration damper system. Here you need M3 x 8
screw, M3 nut and damper ball①
Take damper ② and install it.
6. Install the PDB board with Lower plate and Arms
Here you need the following parts: M3 x 12 screw, M3 nut and M3 x 35 standoffs
Install the rest 3 arms by the same method.
7. Soldering the Power Wire
The picture below is the electrical principle chart of the lower plate of the PDB board. The white
line refers to the outer shape of the PDB; the yellow circle refers to the soldering point and the
green font refers to the definition of the soldering point.
Solder the 4 ESC to the Board
Solder the signal wire of the ESC
Here we use the Dupont cable and Futaba plug as example.
8. Install the Aluminum standoffs.
8.1 Standoffs in middle of the frame: Here we need M3 x 12 screws, M3 x 35 aluminum
standoffs, 3 x 4 nylon standoffs
8.2. Standoffs in front and rear. Here we need: M3 x 8 screws, aluminum standoffs M3 x 40, and
damper ball②.
9. Install the Flight controller and receiver. Here we take CC3D and the Walkera RX701 receiver
as example.
10. Install the FPV camera; here we need M2 x 5 screw.
11. Connect the battery plate with the frame. Here we need M3 x 8 screws.
The antenna of the video TX seat could install here too.
Here finished the assembling, and the next step is to adjust the settings in computer.
