I have a suggestion for the attachments of the aileron servos.
Can you please design the servo cover so that you can screw the servos to it?
And then screw the whole servo including the cover in the wing.
That would simplify the whole thing.
No pasting of the aileron servos
90% of users, take your proposed servos and thus eliminates sticking.
In case of a defect you can also better start the servos.
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