IABL these are the drawings of all the german submarines:
I) U-1/U-2/U-3/U-5/U-9 classes;
http://www.mediafire.com/download/rx...rman+sub+1.jpg
II) U-13/U-17/U-19/U-23/U-27/U-31/U-42/U-51 class;
http://www.mediafire.com/download/uh...man+subs+2.jpg
III) U-57/U-63/U-81 classes;
http://www.mediafire.com/download/a3...bmarines+3.jpg
IV) U-87/U-93/U-115/U-135/U-66/UE-1+(UE-1 mod u-75) classes;
http://www.mediafire.com/download/yw...bmarines+4.jpg
V) UE-2/U-139 classes;
http://www.mediafire.com/download/vb...bmarines+5.jpg
IV) U-142/U-151/UB-1/UB-2/UB-3/UC-1/UC-2/UC-3 classes.
http://www.mediafire.com/download/64...bmarines+6.jpg
NOTE: the sub UB-12 in reallity is the UC-12
There is two vesions of the submarines types UB-2/UB-3/UC-2/UC-1/UE-1.
These are the surface weapons of the submarines:
DECK GUNS:
type 88 mm small deck gun (130 rounds);
type 105 mm big deck gun (270 rounds);
type 150 mm u-kreuzer deck gun (490 rounds).
FLAK GUNS:
8 mm machine gun (1600 rounds);