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Originally Posted by Fincuan
Here's some food for thought: Provided your observations on the target's course and speed are correct and you're firing with a gyro angle of zero using the constant bearing method, range doesn't matter.
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Well, that is a good approximation for far-away targets, but not exactly true, because there is a thing called "torpedo ballistics". Torpedoes do not instantly accelerate to full speed. Instead, they start with a slower ejection speed, and reach full speed only after a few seconds in their run. So you actually have to calculate with a corrected torpedo speed, which is dependent on distance: Lower for nearby target, higher for far-away targets. The TDC does that for you, if you enter the range correctly.
A zero-gyro shot aimed correctly for a far-away target will miss a bit astern, if the target is suddenly very close and moving fast.
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Last edited by Rocks'n'Shoals; 11-30-08 at 03:29 AM.
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