Updated previous drawings ... Thanks Bezobrazov!
My intent is to stay faithful to the original drawing, yet show a design lineage to the Tribal class.
The 5"/38 had the advantage of numbers, still being useful as an anto-surface mount, and cost (it would have been cheep).
True, but I would think the manning for the gun mount would be a factor against as well as maintenance issues that can come up from "used" surplus.