Building: 30 minutes
Curing: 2 days
Silicone
Silicone press
Tape
Cover
glued box
are all M-connectors tight and does every connector have an O-Ring?
is the O-Ring of the charging connector applied ?
is the "condom" of the switch applied and very tight?
is the "Motor-Kabeldurchführung" tight?
is the Weipu connector tight?
Have you performed the Setup and tetsting (open box) list?
Apply the silicone as shown in the picture. The string should be on the groove with a diameter of about 7mm as shown in the pictures.
After applying the silicone on the box you need to press on the cover. The silicone should come out on each side of the box.
Now you should get some tape and try to fix the cover to hold it down a little bit as shown in the picture.
For better GPS connention there is a 3D-printed tower for the GPS module. This one needs to be "glued" to the box with the silicone as well. For more details see pictures.
The tower needs to be attached with tape as well.
Requirements
Alcohol for cleaning and nerves
2x Membranes
First clean the surfaces with alcohol around the designated holes. Then apply the Membranes.
For testing the waterproofness put the box into the bathroom and shower it. Don't forget to attach the membrane on the holes! While testing the waterproofness you should be connected to the Pi's to see the values of the DHT22 sensor.
30 Minutes work
1 day to cure the motor mount glue
UHU Por
assembled Fuselage halfs
Check for Defects before continuation
are V-Tails glued in?
are the carbon pipes for Fuselage stabilization glued in?
is the motor glued in (in one side)?
are the Servo-Connectors tightly screwed on?
are all 3 motor connectors correctly attached (rotation direction of the motor)
are all 3 moter connectors secured with watertight shrink tube?
are all connectiots (V-Tail Servos, Motor plugs...) connected and secured?
Prepare all parts
Apply UHU Por on both parts of the fuselage and the box (see red marks in image below) plus (new!) at the bottom of the box (for additional stability and to reduce water entering)
Spread equally and let it dry for 10 minutes until nearly dry
Only now put UHU on the motor mount (Yellow below) - it should NOT dry
Put the 2 parts together -
UHU Por is a "contact glue" - you can not move them after pressing them together
Why use wet glue on the motor mount?
The motor mount is inserted sidewards into the fusselage - if the glue is dry, its hard to get it in properly. UHU Por can also be used as a "wet" glue.
Do these calibrations and test before the first flight.
Battery charged (16.8 V)
Tighten the screws in the wings
Check for visual defects
Klappen Flügel (noch fest?)
Klappen V-Tails
Servohörner fest?
Kamera
Membran
Deckel auf Ladebuchse?
Antenne noch fest?
Turm noch fest?
Akku-Tüte zu?
‌Propeller 10x7" r installed (font in direction of flight) and locked
‌SD cards installed and cleared (via download)
‌Check M plugs (connecting V tail servos with box)
‌check barycentre ("schwerpunkt")
‌note weight
‌turn QGC, RC, UAV on
‌AHRS (Attitude Heading Reference System) check
RC Servo Check
Flightcomputer parameters
Validate that correct parameterset is loaded from the FlightComputer Setup
Validate that safety parameters are set
Calibration
Accelerometer
Compass
Level Horizon
Baro/Airspeed
‌Barometer, GPS check
‌Servo trimming
‌Save parameter set
ARM DISARM testen
Motor direction (clockwise)
Test all internal components for correct hardware connectivity
Add battery to the powermodule connector
QGroundcontrol doesn't have permission to serial port, even when user is part of 'dialout' group? Remove package brltty with: 'sudo apt remove brltty'.
Do the LED's on the Pixracer light up? If not power may not be connected.
Test Camera cables:
Camera cable glued to PI
Camera cable glued to left camera
Camera cable glued to right camera
Test Camera: Removed camera lens protection
Ensure that the green protection film is removed
Test Camera: PI Can do camera images
Check: Check Camera test
Check image quality (no blur, no plastic particles)
Test Payload RX Telemetry / PI Receive Mavlink
Check: Check receive mavlink test
Test Payload TX Telemetry / PI Send Mavlink
Check: Check transmit mavlink test - OR -
Check: Check if preflight check msgs in QGC are received
Open QGC
Wait 1 minute
Click "Trumpet" symbol at the top of QGC
Check if preflight check messages are received
Test: DHT22
Check: Check DHT22 test
ESC has to be calibrated before closing the box!
Turn power off (main switch)
connect PixRacer with USB to a computer
Set to manual
mode
Arm
raise throttle to max on the RC
Turn power on (main switch) -> ESC peeps (with motor)
lower throttle to min -> ESC peeps once
Done.
check this
and that...