Can we talk about the hydrophone?

Mowgli · 07-24-12, 06:34 AM

Clearly bored with life, I have been putting my sub in harms way in order to practise with evasion tactics.

The year is 1940 and I realise that things are going to get very grim in the future and want to become as good as possible at using the hydrophone to give me a good "situational awareness".

Last night, after meeting two ASW (small vessels) in two separate occasions I managed to escape them but I realised how ignorant I am on the subject of the hydrophone.

At this point I am not ready for the full realism of determining their course and speed but just have some general questions.

When the hydrophone operators reports a distance of "medium" or "far" just how far is medium and far?

When you look at the gray line showing their bearing, is the length of that line their rough distance from you or does the bearing line continue on?

At what distance from an ASW vessel that knows you are in the area is it safe to stop running silent and increase your speed?

What range can enemy vessels detect you by noise?
What range can their lookouts see your periscope in different weathers.

I suppose I will have lots more to ask and beg your indulgence in this matter.

Salute

07-24-12, 06:34 AM	#1
Mowgli Sparks Join Date: Dec 2001 Location: South Wales Posts: 248 Downloads: 158 Uploads: 0	Can we talk about the hydrophone? Clearly bored with life, I have been putting my sub in harms way in order to practise with evasion tactics. The year is 1940 and I realise that things are going to get very grim in the future and want to become as good as possible at using the hydrophone to give me a good "situational awareness". Last night, after meeting two ASW (small vessels) in two separate occasions I managed to escape them but I realised how ignorant I am on the subject of the hydrophone. At this point I am not ready for the full realism of determining their course and speed but just have some general questions. When the hydrophone operators reports a distance of "medium" or "far" just how far is medium and far? When you look at the gray line showing their bearing, is the length of that line their rough distance from you or does the bearing line continue on? At what distance from an ASW vessel that knows you are in the area is it safe to stop running silent and increase your speed? What range can enemy vessels detect you by noise? What range can their lookouts see your periscope in different weathers. I suppose I will have lots more to ask and beg your indulgence in this matter. Salute __________________ Now this is the Law of the Jungle -- as old and as true as the sky; And the Wolf that shall keep it may prosper, but the Wolf that shall break it must die. As the creeper that girdles the tree-trunk the Law runneth forward and back -- For the strength of the Pack is the Wolf, and the strength of the Wolf is the Pack.

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