Is such a MOD possible?
 

Hi, all. I'm playing SH3 with GWX 3.0. I've modified some other things, including the ability to have a type XXI u-boot in 1939.
Now, I'd like to modify the game files in such a way, that my XXI u-boot has 6 nose and 2 back tubes, 2 deck guns, 2 37mm flak guns and 2-4 20mm flak guns in addition to its conning tower normal flak guns... Well, that would be a new u-boot type in the game... Like XXII :)
Somebody can tell that this is not real... well, yes - it is... But one of the French boats built in 1934 had 2 203mm guns and a hydroplane in the angar... And the most common american u-boat type of the WW2 had 1-2 76mm deck guns, about 4 flak guns and 10 tubes... The never built XXI-C u-boot project had 18 tubes and so on...
So... As i'm new to modding - some advice from the experienced modifiers would be much appreciated...