About

Gender

Male


Location

Brisbane


Please tell us a bit about your UAV interest

Scarab Pilot, getting into APM


Hometown:

Brisbane


Activity Feed

James Doble replied to Randy's discussion figuring out the Antenna Tracker
"Update - I now have the antenna working in a full 360 degree rotation, however there is another problem.

When flying counter-clockwise around the tracker, it reaches its endpoint and spins around 360, and continues tracking. However, when flying…"
Apr 18, 2015
James Doble replied to Randy's discussion figuring out the Antenna Tracker
"Ok I did some field testing today. The tracker works, but seems to have a very narrow 'angle' in which it operates.

If the plane is within a certain 90 degree wide band, the tracker operates well. Once the plane moves outside this band, the tracker…"
Apr 13, 2015
James Doble replied to Randy's discussion figuring out the Antenna Tracker
"Hi Fred, no the quad does not have to be armed for tracking to work."
Apr 13, 2015
James Doble replied to Randy's discussion figuring out the Antenna Tracker
"Hi Keith
My parameter files are attached to my first post above. Take a look at them and let me know if I can help further :)"
Apr 12, 2015
James Doble replied to Randy's discussion figuring out the Antenna Tracker
"Thank you Keith!
I have now got the telemetry working, the plane and tracker are talking, and the tracker moves when I move the plane around.
I think I need to adjust the PIDs to get it pointing accurately. Once I have everything operating properly…"
Apr 11, 2015
James Doble replied to Jimmy Oliver's discussion Lessons learned today: Take heed and enjoy in IRIS
"I haven't read the whole thread, but my question is: was the reason for it hitting the ground that it took too long to RTL?"
Apr 10, 2015
James Doble replied to Randy's discussion figuring out the Antenna Tracker
"Hi Randy
I am having some problems with Antenna Tracker, hoping you can help, I think it is something obvious I am missing.

The problem seems to be that the antenna tracker and the plane are not talking. I don't get the plane showing up on the map,…"
Apr 9, 2015
James Doble replied to Roby's discussion APM 2.6 please help
"Hello
Please read this page: http://copter.ardupilot.com/wiki/common-installing-3dr-ublox-gps-co...
Here is the relevant section:

If the GPS / Magnetometer board is mounted in its correct direction (arrow pointing forward) and the Flight controller…"
Jan 8, 2015
James Doble replied to James Doble's discussion APM 2.5 plane - servo freeze / lockup / crash
"I've performed some bench tests and have found there is a voltage drop on the APM side when all modules are connected. Here are my findings:

With only apm connected to power module Power module output: 5.49v Apm board voltage: 5.14v
With apm, GPS,…"
Jan 3, 2015
James Doble posted a discussion
Hi folksI have had two crashes with APM 2.5 - both with identical symptoms.All functions will work normally, and then at a certain point (seemingly randomly) the following will happen:All RC servo control is lost - aileron, elevator, rudder.OSD…
Jan 3, 2015