[Captain Kwok]

The key to balancing ship sizes to keep the ratio of weapons and defence to hull size the same for all ships.

In the Star Trek mod, each ship has approximately the same proportion of space needed for engines, weapons, etc. Any gain that larger ships might have with weapon mounts should be balanced by defense modifiers for smaller ships. Of course, this system has been tested in game, but I think it works toward keeping all ship sizes useful.