Finished the first Flight with V3.50 RC1, PixHawk v2.4 (3DR) (Hexcopter, with HP4114-350KV) with the following result:
Took off in Stabilized after flight mode Loiter gave me a green indicator, to make sure I had GPS lock and EKF was fine.
As Mot-Hover-Learn = 2 initially, first thing was try was to hover the drone, for the code to find the correct value.
So after hovering for about 10 seconds, I switched back to ALTH.
Make sure that you are more than a few meters (10 or higher) up in the air, as on a high powered drone, you will experience quite a drop in ALTH, which you need to be able to counter act the fall…
After this I did play with Loiter, Alth, and tried Land…
On the Land command nothing happend, so it stayed up in the air, same level, and even after giving it some time, no land was started… , tried a couple of times to switch (loiter -> Land)
Decided to bring it down in ALTH, and after some minor issues with Trottle below Failsave, which comes up in the logfile as RADIO Failsafe) (as I changed the trim on the trottle, the trottle stick down position ended up below Radio Failsafe value which prevented the Arming (Trottle stick down, left)
After succesfull Arming I took off in ALTH and flew a little and activated RTL.
RTL worked fine, and landing from RTL hight worked fine as well,(at 10 Meters moved over to slow decent mode, and effectively landed.
STAB, ALT, LOITER, RTL, LAND (not successful)
Copter Yaw seems to be way more smooth as before, Loiter kept position well in windy environment, and aggressive roll maneuvering in ALTH did perform well. (Testing GIMBAL settings) (No Auto Tuning on this version performed yet, so flying with the 3.4.4 settings here)
See log attached…(to figure out the LAND issue)