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Originally Posted by StaplerFahrer
Question: Shouldn't early war sonar have a longer range, but a much longer minimum range as well because of the shallow angle of the beam? From what I understand, later war ASDIC sacrificed range for "look-down" capability against deep diving subs.
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In Real Life, the minimum range was a function of U-boat depth and the angle of escort sonar coverage from horizontal: the deeper the submarine, the greater the minimum range, so as a U-boat commander you had real incentive to dive deep as quickly as possible; unfortunately, "minimum range" in the game is a constant.
Late war destroyers didn't really sacrifice sonar coverage- they just
added deeper-looking systems (e.g., "Q" augmentation and Type 147) to the existing "flashlight beam" systems.
I suggest looking up the following sites for more information:
HMCS Haida site; a
research paper on the radar and sonar sensors of a Tribal-class destroyer; and
Destroyer Escort Central.
Pablo