Quote:
Originally Posted by MKalafatas
I've worked out a quick firing method using the sonar call-outs on bearing. If the target is moving @ 7 knots, and my Mark 10 torpedoes move at 36 knots, then the correct firing angle is 11 degrees. So, I fire when bearing reaches 11 degrees of center (11, or 349, depending on whether target comes from left or right). Or perhaps a bit sooner, if I wish to lead the target and fire a spread.
The tricky part is to line up as close to 90 degrees on the beam as possible. Range is irrelevant up to torpedo range, as long as they have time to arm.
After a few patrols I've basically memorized the correct firing angle for various common target speeds.
Probably this is similar to the O'Kane method; I'm not sure. But it's quick, and immune to corrupt stadimeter readings....
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Vector Analysis. Both the O'Kane and the John P. Cromwell attack methods are derivatives of it. You can fire from any angle, the basics are the same. Rockin Robbins has made a handy, printable crib sheet of all three methods
here.