You know, I'm in the middle of Clear the Bridge right now. For some inexplicable reason, I'd never read the book before and Subsim's Dick O'Kane Manual Targeting Technique is something I and others came up with in 2009!
I had always said that the Dick O'Kane Technique was named in honor of Dick O'Kane and was not meant to represent his actual practices during the war: that the technique was historically plausible but it couldn't be established that submarines actually did the procedure during the war.
After reading chapter 7, I can say that Dick O'Kane did nearly exactly what we independently developed with a computer game! The only difference between my technique and Dick O'Kane's is that I don't worry about an exact zero gyro shot, being willing to accept a small single digit angle as functionally equivalent.
Dick O'Kane started with zero gyro and backed into the lead angle of the shot from there. It was easier to do with the real TDC than our TDC. Other than that the mechanics were identical: set up the shot, maneuver the boat into the proper position, shoot aimed shots at specific points of the target.
Yikes! Why did I wait so long to read his book?
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