Maintenance and repair of the eBee X
Check 4: Air speed sensor
The air speed sensor is connected to the pitot probe by a pair of tubes. To check
it, follow these steps:
1. Visually check the pitot probe. Make sure that it is properly fixed to the
airframe. The holes in the probe must be clear and free of dirt or other
small obstructions.
2. Switch the drone on by connecting the battery and connect to eMotion.
3. Very gently blow into the front opening of the pitot tube from a distance
of around 5 cm (2 in). The airflow direction should match the natural flow
experienced in flight.
4. Check the air speed displayed in eMotion.
At rest, the displayed air speed should be close to zero (it may drift up to about
2 m/s (4 kts)). When blowing in the pitot probe the air speed indicated in eMotion
that should easily reach values above 8 m/s (16 kts).
Check 5: Ground sensor
The ground sensor is a LiDAR sensor. The apertures must be clean and unob-
structed for the sensor to work correctly.
To check it:
1. Make sure that it is properly fixed in place. Visually check the ground sensor.
The lenses must be clear and free of dirt or other obstructions.
2. Place the drone on the ground and power it on by connecting the battery.
3. Connect the drone to eMotion.
4. Hold the drone approximately 1 m (3 ft) above the ground. Check that the
Ground sensor height in eMotion is approximately that height. If it is incor-
rect or shows only a hyphen (-), your ground sensor is faulty.
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