I made a quad drone with hobby wing x9 plus 12s 40ah battery with 36 inch propeller done manual tuning as per process did quik tune notch filtering everything was fine and had a stable flight for several days but now while takeoff is a great issue ,the drone flips and take off and one time the drone flipped totally and crashed ,will update the log asap,if anybody faced the same situation kindly provide solution
CRASH NEW SETTINGH.BIN - Google Drive here is the crashed log
good flight log.BIN - Google Drive good flight log