The number and type of flak guns available depends on the year, the u-boat type (a function of your flotilla) and the tower (Turm) variant you have.
The default flak on all u-boat types is a single 20mm c/30 flak gun and a Turm 1 through 1941. The twin barrelled c/30 "zwilling" first becomes an optional up-grade in all flotillas in 1940 and the 37 mm is an additional default to the IXB.
Turm 2 becomes available in 1942. The default flak becomes two twin-barrelled C/30.
Two single barrelled c/38 (with a 40 round clip instead of 20) become the default in 1943 when Turm 2 becomes the default. Turm 3 and 2 twin C/30 are optional . The IXC40 and IXD2 also become available in 1943 as well for the 2nd flotilla. I assume the same is true for the 12th flotilla, but I didn't test that. Turm 3 adds a 37mm heavy flak. The 4-barrelled flakveirlling becomes optional on Turm 3.
After 1943, the options abound. See for yourself.
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Raptor
Last edited by Raptor; 07-06-12 at 02:37 PM.
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