"I did the calibration both ways and serveral time to be sure that thisis not the cause. Also the connections cannotbe the cause, I just have to replace the black motor on an esc with a yellow one and it spins up! (the black did not spin). And I…"

"Helllo! I am on my way to test 2.5.3 and build a new ocotcopter for that. I used 7 yelow motors 880 kv and the same in black(one of the new ones). And this is my problem: after doing al the setup stuff(Software, esc calibartion, etc.), only the…"

"Hi! does that mean that I can build a octocopter and have 10 and 11 for camera stabilisation? does it come like that from the current missionplaner? Thanks for helping!"

"Thanks Peter!   so the link from the arducopter wiki is somehow missleading: http://code.google.com/p/arducopter/downloads/list   ?   Cheers, Michael    "

"Hello!   the MP 1.0.75 is mentioned here.   Cannot find it in the download section, all I see is 1.0.68.   Where can I download it?   thanks, Michael"

"for me, too! I diconnected the gps and now it works without this yaw issue in stabel mode!   So do I have to replace the gps?   Thanks, Michal"

"did that today, an hour ago with the new mission planner.   the hexa flies smooth on pitch and roll with standard pids, but has the same "sudden yaw issue" . (stable mode)   - shoud I change yaw pids for hexa (55cm; 1,6kg;…"

"Hello!   I'am new here, maybe somebody cpuld help!   have the same problem running 2.0.33, compass disabled. hexa with 20-22l Motors and turningy escs, 1045 propellers. ...suddenly it starts yawing!   did all the homework: esc…"