Distortion The values for the lines are 100 yards for each knot of torpedo and target speed. Ex. Mk 14 high speed is 46 knots, your course line would therefore be 4,600 yards long. Target speed of 5 kn. = 500 yard speed line.
You can shoot anywhere along the course line more than 500 yards (arming distance) but not beyond it, the torp won't travel more than 4,600 yards on high speed.
Spectator explains it much better than I can in post #55 in this thread.
He uses an approach angle of 90° but it works at any angle, I always use something like 60°.
Vector analysis is a firing solution method so you must be in range of the torpedos for it to work,
Magic
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