No, that is correct and historial.
The torp assumes you are attacking the convoy from 90* intersection from your course
and the convoy's.
It does this, because if it only made the 180 degree turn and you where attacking a
convoy with a 90* intersection between your course and the convoy's, with your peri
angle at 45*, then the torp would make it's up-down runs at 45* to the convoy
heading. This would increace the chances of a dud.
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