it was doctrine to do so at the beginning of the war. the USN doctrine
required captains to shoot from a depth of 100' on generated hydrophone
bearings using a spread of torpedos as they had no homers. inspite
of strong pressure from above some of the early captains defied this
and fought their boats at periscope or attack/radar depth. their
refusal to follow brought results where those that followed doctrine
washed out almost to a man.
I dont know where to find the max torpedo launch depth setting in sh4
but you lower that max depth setting to something like 30m or so.
the gist of it is, using hydraphones and charting determine by marks
the approximate speed and course of the target as best you can.
figure out the time approximately it will take for your torpedos to reach
the target and howmuch distance your target will cover after they are
fired. (assuming you are aiming the boat dead ahead in the firing direction)
set a spread and fire if your boat is not aligned then go to peri screen
and raise the periscope a few inches out of the housing so you can see
the bearing marks and aim the periscope onto the appropriate firing bearing
and then fire a spread.
this method has a very poor chance of success without homers.
best to read the tut on hydrophone attack and TMA
M
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