Why was Victorious chosen to lead the angled-deck modernization instead of an Implacable-class carrier?
Short answerVictorious was expected to be the easier, faster example, with lessons from her conversion intended for the rest.
NotesVictorious was selected because her conversion was expected to be easier and quicker. The navy intended to learn from that work before applying the lessons to other carriers, so the final outcome should not be read as the original limit of the plan.