Haha, thanks Berbster, I know about that one. But when I turned it on, I still can't fire torpedos even after pressing "identify" followed by "compute solution." Pressing the fire button just doesn't do anything.
I am using an exact replica of the setup given by sjizzle's mod list found here:
http://www.subsim.com/radioroom/showthread.php?t=204308 I am using the Steam version of the game.
Well, in hindsight perhaps I should've posted on that thread but I'm hoping someone can still help.