Originally Posted by tower flyer
I finely found the problem with the throttle on my T----T150 with Dle20 . The servo arm had a lot of slack in the hole for the clevis and the screw in throttle butterfly was not seated down and tight on the shaft. Now that I have it fixed I get good idle and throttle response, before it was real erratic..
That happened on a DA 50 at our field and the butterfly moved over enough and kept the throttle from closing all the way.