Where I can download the ArduCopter 3.1.5 hex file?
I want to downgrade from the latest 3.2.1 version to 3.1.5 in the hope of fixing some throttle issues (see this thread). Unfortunately, when I try to download the older version using Mission
Although my quadcopter flies great in Stabilise mode, it drifts up and down when in AltHold or Loiter mode. I have made sure all my vibrations are within acceptable limits.
The following plot is from the attached log. I have graphed GPS.RelAl
