Trim tab horn trimming rationale
I have a nit-picky "why is the sky blue" kind of question. Looking at the elevator trim tab horn on drawing 4, it comes with two clevis attach points, and we're directed to trim away one of them depending if we have cabled or electric trim. On the electric side, we drive the upper point and shave off the lower one presumably for workmanlike neatness. On the cabled version, we drive the lower point and remove the upper one "to allow travel".
But...wait, doesn't an electrically-driven tab need the same travel as well? Are we actually trimming just for neatness in both cases? Is the cited reasoning specious? Will my airplane be unairworthy if I just skip the trimming step entirely? Do I worry too much?
KU42 / RV-9A [Tail]