The factory upgraded the aileron trim mechanism around the same time that they moved to the pushrod-bellcrank mechanism. The end plate at the “whale tail” that holds the aft end of the aileron torque tube was made smaller, and the old trim motor, string, and spring were eliminated. The replacement is a linear actuator with an integral spring.
There are no instructions from the factory for installation, so I plan to install the actuator on the pilots side.
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