Welcome to this page.
This page is about USM RC Plane Club Ardupilot Skysurfer Integration.
This will makes you open the exploration of fixed wing drone for more possibilities.
Its only need your creativity, imagination and motivation to fly higher and further.
And, the most important is fly safe! Your aircraft, your responsibilities.
1. By this point, you should have fixed your flight controller (APM 2.8) bottom of to the airplane, with upside down orientation. Use knife to cut the excess door, this can be done by carefully cut along the fiber tape on the excess door, and leaving only one side to be use as hinge to open up the door, for later work.
2. Use 3 units of ESC extension cables, to set as extension from brushless motor to the ESC. Then place the ESC inside the cabin, use velcro tape to fix the ESC to any side of the cabin.
3. Next is to fix your GPS to the top of the fuselage.
a. Carefully locate the arrow direction on the GPS module. The arrow will be pointing forward in which it will be the forward heading of your aircraft.
a. Locate the GPS Module position on the fuselage.
b. Shave the GPS module location on the aircraft.
b. Use velcro to fix the GPS Module to the fuselage.
4. Fix the wing to the fuselage. Make sure to feed the aileron wing through the hole on both sides of the fuselage. Get servo cable extension, or Y-cable, if any, and connect to the both ailerons servo cables.
5. Next, connect all servo cables to the Flight Controller.
Make sure to connect correctly by the colour of wires (Yellow, red, black)
Aileron Servo Cable -- APM Output pin 1
Elevator Servo Cable -- APM Output pin 2
Throttle Servo Cable -- APM Output pin 3
Rudder Servo Cable -- APM Output pin 4
then connect the cables from the receiver to Flight Controller.
Receiver Channel 1 --- APM input pin 1
Receiver Channel 2 --- APM input pin 2
Receiver Channel 3 --- APM input pin 3
Receiver Channel 4 --- APM input pin 4
Receiver Channel 5 --- APM input pin 5
6. Connect GPS Cable to GPS Port. Then connect other cable to the port below the GPS Port (This is for compass connection).
7. Connect micro usb cable to the Flight Controller. The location is at the side of the FC.
8. Then connect the cable to the computer.
9. Open mission planner application.
10. Select correct COM PORT and select BAUDRATE 115200, click CONNECT.
As we have fixed the Flight Controller inverted, we need to change the setting of the orientation.
11. Once connected, go to Config > Full Parameter List > in the search box (on the right screen), search for AHRS_ORIENTATION> Change the value to 8:Roll180 then click Write Params.
a. Go to HUD, the orientation should have rotate. Green is at the bottom, and blue colour at the top.
Now, we need to change the RC Channel of Flight Mode.
The default flight mode is channel 8. We need to change the channel 5.
12. Go to Config > Full Paramater List > in the search box (on the right screen), search for FLTMODE_CH to value: 5. Click Write Parameters Button to save the setting.
13. Turn on your remote controller and set a new airplane model. Turn off your remote controller.
14. Connect bind cable to the receiver.
15. Connect Lipo battery to the ESC. The Receiver should blink rapidly means it ready to be bind.
16. Click and hold Bind Button and Switch On the Remote Controller.
17. The red led receiver should turn on.
18. Disconnect the battery, plug off the bind wire, and reconnect the lipo battery.
19. At this time, your remote controller is turn on, your airplane is connected to the lipo battery. The motor either will beep rapidly or beep as esc calibrated.
a. if the motor beep rapidly, use below steps to set the pwm walue for channel 3.
20. Then, redo the accelerometer calibration, and calibrate level.
21. Set the Auxiliary channel to SWD. Save the setting.
22. Then complete the RC Calibration. Channel 1,2,3,4 dan 5.
22. Change the Flight Mode to Stabilize, Loiter and RTL.
23. Change the Flight mode to stabilize. You can check the status of the flight mode in the HUD.
24. Move the aircraft, and you should see the servo moves.
25. Set the aircraft stable on a surface by making sure the pitch and roll is level.
26. Check the servo arm is perpendicular to the surface.
27. Set the rod that connect from the servo arm to control surfaces (aileron, elevator and rudder). Tighten the screw and nuts that connect the rods. Cut excessive metal rods using cutter.
The idea is to make sure the control surfaces are flat with the fixed surfaces.
Ground Test
Disconnect the usb cable to proceed next step.
28. Set the Flight Mode to Manual, move the aileron and elevator stick, check aileron and elevator control surfaces is moving correctly. If not, set reverse on the remote controller.
29. Set the Flight Mode to Stabilize, this time, roll the aircraft, looks closely on the ailerons automatic movements.
is the aileron move correctly when the aircraft roll to the right? (the aileron should counter the movement of the roll)
is the elevator move correctly when the aircraft pitch up? (the elevator should counter-react the movement of the pitch)
Center of Gravity
30. Put the battery inside the cabin of the fuselage.
31. Locate the Cg point on the wing by tracing the spar, that is the carbon rod that span across both of the wings. Note the Cg.
32. Place your pointing fingers on both wings, and shift the battery location forward and aft, until you get the aircraft lean downward just a bit, 5-10 degrees. Put the aircraft on the table, fix the battery using velcro tape.
33. Again, check the Cg, by lifting the aircraft using two pointing fingers. Push a bit downward, and release, the aircraft should return to its original condition.
If you get this correctly, then it is good to go.
Compass calibration
34. Connect to Mission Planner. Connect to the internet.
35. Check on the HUD and the map. You should have your aircraft in the map.
36. There are three different lines, Red, Black, and Orange.
37. The Red line is the heading of the aircraft.
38. Point your aircraft to a known direction.
39. If your aircraft heading is not the same, you need to complete compass calibration process.
40. Restart your aircraft if you have completed the process.
41. Check your heading again.
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