X-RACER KL-EX90 INSTALLATION INSTRUCTIONS Model Limited E‐mail:[email protected] X-RACER KL-EX90...

FPV Model Limited

http://www.fpvmodel.com E‐mail:[email protected]

X-RACER KL-EX90 INSTALLATION INSTRUCTIONS

FPV MODEL LIMITED

FPV Model Limited


Step 1：Check all the parts in case there’s any missing.

1 x KL-EX90 Frame

4 x Dragonfly MC1105 7500kv Micro Class Racing Motor

1 x Flycolor RAPTOR S-Tower

1 x RunCam Micro Swift FPV Camera

1 x Dranonfly5.8g25MW 48CH

8 (Pairs) x GemFan 2035BN 4-Blade Propellers

1 x Orignal Amass XT30 Plug Male

1 x CJMCU WS2812 5050 RGB LED Board

1 x 3D Prints Camera Mount

1 x 3D Prints Taillight Mount

20 x M2*4 Screws

12 x M2*6 Screws

8 x Motor Screws

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Step 2：The wire lengths that you need to keep after cutting.

Please keep 35mm motor wires, including the heat shrinkable tubes, as well as 45mm 3-Pin camera wires, 40mm vTX wires, 35mm LED wires and 60mm power cables. See the pictures below for your reference.

Keep 35mm motor wires, including the heat shrinkable tubes.

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Step 3: Soldering on flight controller.

Solder the pads that are circled in red.

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Step 4: Solder the power cables.

Step 5: Solder the 3-Pin camera wires.

Recommend to solder the wires through the flight controller and esc, so as to avoid the

possible short circuit in hard crashes.

After soldering:

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Step 6: Solder the vTX wires.

Take cautions to the three soldering pads: V+, CAM and GND. If not soldered correctly, the

vtx may not work or be burned.

Step 7: Solder LED wires.

Before soldering, please make sure the temperature is not too high or with electrostatic,

otherwise the LED may be burned.

IN is the signal wire that connected to the LED strip of FC.

VCC connects to the 5V of FC,

GND connects to the negative pole.

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Step 8: Solder the LED wires to flight controller.

Step 9: Add protective coating onto the vtx.

It is not necessary. But adding a layer of protective coating will prevent the vTX from

moisture ingress, while still easy for the users to shift the channels and less heat.

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Step 10: Solder the vTX to flight controller

The vTX positive pole and camera use the same 5v pad.

Step 11: Solder the motor wires to ESC’s

You’ll just need to change the position of the three-phase of the first and fourth motors. The

second and third motors are soldered according to the sequence.

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Step 12：Install electronics onto the frame

Pay attention to the different types of screws.

M2*10 scres are used to secure 3D printed parts and the top & bottom plate.

M2*4 screws are used to secure the Dragonfly motors. Each motor needs 2 to 3 screws.

M2*6 nylon screws are used to secure the screws of Flycolor S-Tower and bottom plate.

The nylon strap is used to secure the VTX and top plate.

When fastening screws on the motor mount, please make sure the screw glue is added.

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Pay attention to the negative and positive of VTX. The side with LED needs to be facing up.

LED taillight is secured inside the slot of 3D printed part, no extra screw glue needed.

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Step 13: Installing the frame

Install the LED as below:

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FPV Model Limited


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PV Model Limit

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FPV Model Limited


Step 15: Install the propellers

Step 16: The build is done!

Congratulations! You’ve sucessfully built your own micro racer and now you can start to enjoy the FPV

with KL-EX90.

X-RACER KL-EX90 INSTALLATION INSTRUCTIONS Model Limited E‐mail:[email protected] X-RACER KL-EX90...

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Transcript of X-RACER KL-EX90 INSTALLATION INSTRUCTIONS Model Limited E‐mail:[email protected] X-RACER KL-EX90...