"@Muhammad: Yeah, that's what I thought, which is why I'm scratching my head as to why this guy couldn't maneuver his quad to a more suitable landing spot while it auto-descended. To me, it looks like it entered RTH, but he…"
If i remember correctly, once it goes into battery failsafe, it slowly descends. Holding the throttle stick all the way up will hold it at a constant altitude, but it will not let you gain altitude. You do have roll and pitch control."
Hi hooks i m the guy like you testing 2.0 version on my twin star and faced the same problem what you faced reversing the elevator servo and though i m good in c so i made the changes rightly and its working well with hand movements. Hooks i would like to ask you that whether u got success in flying your easy star with 2.0 version including waypoint navigation. is there any important stuff i had to keep in mind before launching my plane with 2.0 version....... expecting ur experience can teach me..