The Boat keeps surfacing!
 

i recently completed a u-boat campaign and while the type XVIII was very interesting to operate compared to the IX/Balao boats there was one thing about it that really bugged me and I am not certain if it was a bug or not.

I am attacking a convoy and gone deep to avoid some danger. Once the torpedos were reloaded and still using the walter drive I order periscope depth and instead of going to the correct depth the boat would surface and I would get pounded by the destroyers guns. I would even try to come up to 40m it would still surface. Only thing I could to was turn off the walter turbine, let the boat slow down and then order periscope depth.

On a separate note the T11 torpedoes were a bit of a trip, first couple times I used them was disappointed because they would hit the ships and they would not sink, of course because they had smaller warheads. At least once I fired two at a DD and one went on and one circled back at me. After that I always went deep after launching. But appreciate that once they were launched they did not give up tracking a target until they ran out of fuel. Much more fun than the useless Mk27 cuties.

Now how do I hack my balao to carry G7es torpedoes.

If your using the Walter your speed of ascent will be such that leveling off before broaching will be to hard and you will surface. Turn off the Walter and this will not happen.