My fictional submarine ANS Shark. Shark class specifications: Type: Diesel-electric submarine Displacement: 1,526 tons (1,550 t) surfaced, 2,391–2,424 tons (2,429–2463 t) submerged Length: 311 ft 6 in–311 ft 10 in (94.9–95.0 m) Beam: 27 ft 3 in–27 ft 4 in (8.3 m) Draft: 16 ft 10 in (5.13 m) maximum ...
Here. Third column. Those are all directors. http://i29.photobucket.com/albums/c275/hangar/Shipbucket%20profiles/RNRadarSheet.png You need at least one fore and aft to guide your main turrets, like on this ship: http://www.shipbucket.com/images.php?dir=Real%20Designs/Great%20Britain/BBVanguard1947R...