I have successfully tested the Cheerson CX-20 Auto-Pathfinder (also called the Quanum NOVA). This quadcopter uses an APM v2.52 with the ArduCopter v3.1.2 already installed. It fly very well and all the Arducopter features are working very well....
Above, a video during the maiden flight of the CX-20 has been taken with a GoPro 3 "Black Edition" mounted on the anti-jello mounting base.
Test conditions: Wind 22 Km/h gusting 33 Km/h
The APM 2.5.2 (with an external magnetometer) with the Arducopter v3.1.2 handle very well the CX-20, the flight is very stable in loiter mode in spite of the strong gusts.
Below the factory PID installed:
The flight modes set by default:
I have added a telemetry datalink and tested sucessfully the Droid Planner v2.0 (Android) and the Mission Planner (PC).
More infos at:
http://diydrones.com/profile/JeanLouisNaudin
https://github.com/jlnaudin/x-VTOLdrone
Stay tuned,
Jean-Louis
Comments
@Paolo: Be careful, at this moment there are some troubles in the GPS accuracy (HDOP) and sometime the GPS doesn't lock or unlock in flight due to the current solar geomagetic storm activity since august 27, 2014 which may affect the satellites GPS...
See the NOAA web site a t: http://www.swpc.noaa.gov/alerts/alerts_timeline.html
Regards,
Jean-Louis
hello Jean-Louis, I read Eric English's problem regarding not being able to unarm the engines and your suggestions to solve it. I have the RTF version and did not change the RX/TX, nor do I have mission planner...any other suggestions I can try to solve the issue? The QN was flying fine the first couple of flights, now I can only arm the engines 1 out 5 tries and when I'm able to take-off, the FC takes over as soon as I am 10m away or so and does a RTH landing (sometimes very well executed, sometimes very poorly)...Many thanks for your help.
@Tod: I have used the Cx-20 factory setup for the telemetry. The CX-20 firmware has not been updated, this is the ArduCopter v3.1.2.
The 3DR telemetry is working well with the latest version of the mission planner v1.3.7 and also with the DroidPlanner 2
Full autonomous flight mission with the Cheerson CX-20 auto-pathfinder
Please take time to read my tuto about this at:
TUTO: Connecting the telemetry to the Cheerson CX 20 (aka the Quanu...
Regards
Jean-Louis
Test flight of the Quanum Q-2D Gimbal installed on the Cheerson CX-...
Regards,
Jean-Louis
Hi Jean-Louis,
Can you go into detail as to what you did when you added the telemetry, mainly the 3DR Radios in the set-up, did you upgrade the firmware? if so to what version? what steps did you go through in the Mission Planner? how were you able to get 3.1.2 loaded (I have no option to choose the firmware version, only get 3.1.5) my issue is that Mavlink keeps timing out, even though all other aspects are showing good, for example 3Dr Radios have solid green LED confirming a link, Ground Radio has the flashing Red LED to show that it is transmitting data, but the Air Radio merely has the occasional blip with the Red LED.
Thanks
@Eric:
If you cannot arm/disarm the motors, there are some reasons:
I hope this will help you.
Jean-Louis
Hi Jean_Louis,
Thanks for doing and posting these two tutorials in your github (i.e. Hacking Telemery and Mission Planner Mod).
https://github.com/jlnaudin/x-VTOLdrone/wiki/TUTO:-Connecting-the-t...
https://github.com/jlnaudin/x-VTOLdrone/wiki/TEST-FLIGHT:-Full-auto...
(Just put these things here, so I can locate them later on, once I get my own CX-20 for hacking) :-).
Well done Jean-Louis..... I look forward to receiving my CX-20 and giving the APM telemetry mod a shot as you described on your blog.
Thanks for your efforts in detailing this new quad.
Here a test video of a FULL AUTONOMOUS MISSION under flight plan (in Mode AUTO) with the Cheerson CX-20 (Quanum NOVA).
The ALTHOLD flight mode (factory default) of the CX-20 has been changed into the AUTO mode with the mission planner.
The WP_YAW_BEHAVIOR parameter has also been changed to 2 so as the CX-20 heading is still maintained towards the next Waypoint.
With this feature enabled, the on board GoPro 3 camera is able to look forward during the flight.
There is no Gimball stabilization in this test setup.
A flight plan (FPL) of 8 waypoints has been uploaded to the CX-20 autopilot (an APM v2.5.2 loaded with the firmware ArduCopter v3.1.2) and then the AUTO mode has been enabled.
The Take Off and the Landing sequence is fully automated. There is no action of the pilot during all the flight until the stop of the motors. All the flight is fully automated.
Wind conditions: 19 Km/h, gusting 31 Km/h
Regards,
Jean-Louis
Excellent JLN, nice comparison. Rather DJI seems drop in altitude however CX-20 with Arducopter 3.1.2 was doing great .
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