"Thank you Cala for your answer. I would be grateful if you could share your PIDs. We've got different props but i thing pids could be similar (not equal).
so if i'm flying with gimbal should i adjust pids manualy for only one axis? for example first…"

"what i've done before Flip.
Changed props into bigger size, changed P to 0.160, didn't calibrate compass because i've saved all settings from previous version and loaded them to this version. should i calibrate compass and do not use previous…"

"so thats good because i was worried about my English :)
yes, i calibrated twice, for the first time it didn't work and i was searching another solution, then something told me to do it again and it worked. immediately went outside and tryied this…"

"See the sky means with its name up :) look at my situation. 
i've got external compass with GPS like here http://hobbywow.com/desc/others/FPVparts/MY/APM26/LEA_6H_2.jpg so the GPS antenna and magnetometr are on the same side of board. if you look at…"

"but does your magnetometr "see" the sky? if yes, select onboard compass :) you should see, that below rotation changed to ROTATION_NONE. All settings there with compass change this parameter. If you try external compass, rotation changes to…"

"if the magnetometr sensor is on the top, you should select "onboard compass" or manually select ROTATION_NONE.
also check if sensor is in right direction. to do this, find numbers on it and when you can read this normally, front of it should goes to…"

"i've got APM 2.6 and GPS with compass like this: http://s4e3c56b671b69.img.gostorego.com/809E82/cdn/media/s4/e3/c5/6...
already tried ROTATION_NONE and still no effect :("

"i've got selected ROTATION_ROLL_180 and it appears. Any other suggestions? "

"i have also problem like yours. Can someone analyze my log and tell me what is wrong? i send you log and photo of my copter. what should i change? i cant do Compassmot because i dont have power module. 
thanks for all
Marcin2014-04-16…"