[TEC] How to increase Torpedo Storage Loadout?

[BAAL]

Dear Subsim Community,

I reinstalled Silent Hunter IV and bought U-Boat Missions a few Days ago, because I found some nice SSN/SSBN/SSGN Mods for this game.

Im currently playing, just for fun, campains with the following mods:
Alfa Class Mod: Nice Youtube Video also with download link in the description
(Really nice Sub and Mod, also rework of the Loadingscreen etc.)

I allready successfully performed some changes on the Torpedo Data by using Silent 3ditor, because the Targeting of the Modded Torps was quite buggy.

Unfortunately the Sub only has a Torpedostorage for 12 Torpedos.
My question now: How can I increase the amount of Torpedos in the Storage?
I allready opend the *.val File in the */Data/Submarine/*/ Folder of the Mod. There I could add some "Array Items" to the Fore Storage, but it doesnt seem to work in the game later ...

What am I doing wrong, or am I missing something?

Thanks a lot in advance for your Help!
Best Regards
BAAL