Here is a scenario I have been wondering about: I plan to shoot some friends mountain biking down a hillside. So, I arm and take off at the top of the hill, follow them close behind at about 15m alt above them, but of course, although the altitude above the ground is staying fairly consistent, the alt above sea level is reducing as I'm flying down a hillside. OK, so say a failsafe kicks in and RTL is activated. If the hexa is configured to raise to 15m altitude - where is this 15m in reference to? Is it 15m above the launch location, or 15m above the location where it was when the failsafe kicked in? If the latter, then its likely that it will plow into the hillside on the way back to the launch point (assuming this is more than 15m from where failsafe kicked in), so I hope it would be the former, although I don't honestly know - hence this question!
Anyone??
Replies
The 15m is referenced to the home location. Thus "0m" is where the copter was armed (assuming that you didn't change the home point afterwards).
http://copter.ardupilot.com/wiki/flying-arducopter/flight-modes/rtl...
Thanks for the reply Stephen. I did read that wiki page but it doesn't specifically say that the 15m is in relation to the home location which prompted my question. Thanks again