ive been flying the quad many times in auto mode...... but all the time i was using waypoint command and was happy with the performance of the quad! it worked fine..... the only thing which i noticed was when the quad reaches the last waypoint, it just start landing on its own at the last waypoint !
I did this many times and was pretty shure what my quad will be going to do next...... so now i thought to include auto take-off into the flight planner.......
so the only change which i made to my mission was adding a take-off command in the beginning followed by the waypoints...... and i was knowing that at my last waypoint its going to land.....
the take-off was good...(the throttle rise by the APM was bit slow) and the quad was airborne within 20 seconds and then followed the flight path...... my last waypoint was at 10 meter high and wait for 5 seconds and then it should land,
but this time the APM board just killed the throttle of all the 4 motors to zero and quad dropped like a stone from 10 meter height at last waypoint..... could not get what went wrong ...? please help me to correct my mistake!
mission file , flight log (crash @97.4%) files are attached
Replies
One of the bug fixes of the last ArduCopter revision is:
I think it must be related to your problem as your copter "landed" from an altitude of 10m. Check for the rtl_approach_alt parameter. Even if correct (set to 1) update to 2.6 to get better results.