Imagine what currents would do to your torpedo attacks. Also think about zigging convoys in currents. One moment they're going 12 knots at 120 magnetic and the next they're going 7 knots 180 mag (turning dynamics included.)
You're under dive bomber attack and you speed to 15 knots so you can do some turning evasion and turn into the current slowing you to 10 knots.
You're under depth charge attack and trying to turn off the attacker's track on run silent and the only place you can turn to evade is into the current.
You've got a perfect attack setup. You just managed to figure out the convoy's zig cycle and after shaddowing for two days you have a target setup where the convoy cannot zig for a short while as they move through a straight. You hit a current change in the database just as you are about to fire. You adjust gyro and turn the boat a bit and the convoy zags passing out the other end of the straight. Maybe you managed all this fine with no problems and the torpedoes hit the current change knocking them 3 degrees off track every 100 M.
Shure this could be an option, but why spend thousands of dollars coding in an option 90% of us would likely stop using after a while because jobs, families, obligations prevent us from spending 14 hours a day playing a computer game (and I'm a hard core sub gamer.)
-Pv-
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