How large would a Tribal-class destroyer need to be for two quadruple 24.5-inch torpedo launchers while retaining its guns?
Short answerAbout 2,000 tons, roughly 200 tons heavier, once stability, structure, crew, and the much larger torpedoes are included.
NotesThe proposed torpedo battery more than doubles the launchers while increasing weapon diameter from 21 to 24.5 inches. The change would add roughly 200 tons and push the ship near 2,000 tons. The weight is not limited to tubes and torpedoes; structure, stability, crew accommodation, handling equipment, and centerline space also grow. Preserving the original gun arrangement therefore requires a redesigned hull rather than a simple deck substitution.