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Hi,

I am experiencing loiter issues with apm 2.5.

I got external compass installed and alt hold seems to work fine (stays in one altitude for a while then drops or rises and stays). Compass calibration was done outside.

Problem:

When I engage loiter, copter seems to drift in one direction or the other (even crashed once). 

Compassmot was tested using propellers upside down and I got 3% inteference.

Also when drifting copter seemed to pulse motor throttle.

Does anyone have any ideas how to fix this loiter problem?

2014-04-20%2010-31-03%2016.log

image.jpeg

Thank you

Problem was fixed. The compass module was not facing right direction.