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Showing results for tags 'roll trim'.
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When I got my M20F 50 hours ago, the Positive Control (PC) system worked great. Love it. But it seems to be developing an increasing tendency to turn left. I can zero this out with the roll trim knob in the panel, but now the roll trim knob is cranked over to the right quite a ways. It's not rigging because when I press the button to defeat the system, the plane tracks straight and level hands off. The turn coordinator appears to be functioning normally. The Brittain user manual says the roll trim knob might need to be turned as much as 90 degrees off center to straighten the plane and they still consider it normal operation, so maybe this is "normal", but I think I'm getting past the 90 degree point. Anyone else have this happen to them or have any ideas?
