Best illustration of a vector analysis attack so far! The fact that you did choose a 90º angle to the target track shows the relationship the vector analysis has to the Dick O'Kane attack. But as you say, the beauty of the vector analysis attack is that it is just as easy to do at any angle to the track.
Note that no calculators or pieces of paper and writing instruments were harmed here. Everything is done within the game and there's not a calculation to be seen.
Also note that the TDC and the PK are not used here. (You do need to check that the speed is set to zero and/or the AoB is set to zero or 180) No Easy AOB mod came anywhere near this attack. It can be done in a U-Boat as well as a fleet boat with equal ease.
So, if it's that good, what are the weaknesses of the vector analysis attack? If you compare it with the Dick O'Kane and John P Cromwell attacks, it has only one weakness: you MUST know the correct speed of your torpedo. If you figure 46 knots for the fast Mark 14 and accidentally leave it on the 31 knot slow speed, you miss by a mile. In the other two constant bearing attacks the TDC remembers the speed of the torpedo and figures the lead angle for you.
But that's it: the only gotcha in a vector analysis attack. I highly recommend it! Thank you, Spectator, for the best tutorial I've seen on the vector analysis attack.
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