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01-17-20, 06:27 AM | #16 |
Growing Old Disgracefully
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Hi guys
You might like to take a look at this one as well. Peter
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01-17-20, 02:32 PM | #17 |
Chief
Join Date: Nov 2012
Posts: 325
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just wonder how realistic the 4-bearing method is in real life? I mean it's impossible to maintain stationary or on a straight course when undersea current can blow your sub off course. Do submariners in WWII actually use this method?
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01-17-20, 03:51 PM | #18 |
Grey Wolf
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Its real name is Spiess TMA and it was developed in the ‘50s. German doctrine wouldn’t have even permitted it had it existed and if hydrophone bearings were accurate - they stressed that the place for the boat was on the surface.
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Ask me anything about the Type VII or IX! One-Stop Targeting Shop: https://drive.google.com/drive/folde...WwBt-1vjW28JbO My YT Channel: https://www.youtube.com/channel/UCIJ...9FXbD3S2kgwdPQ Last edited by derstosstrupp; 01-17-20 at 03:59 PM. |
01-17-20, 03:56 PM | #19 |
Grey Wolf
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Here’s how they dood it:
https://www.subsim.com/radioroom/sho...85&postcount=2
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Ask me anything about the Type VII or IX! One-Stop Targeting Shop: https://drive.google.com/drive/folde...WwBt-1vjW28JbO My YT Channel: https://www.youtube.com/channel/UCIJ...9FXbD3S2kgwdPQ |
01-19-20, 04:20 AM | #20 |
Chief
Join Date: Nov 2012
Posts: 325
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While I was doing the 4 bearing tutorial. At the last moment, the sonar man lost contact even though I can hear it loud and clear on hydrophone. The sonar man just refuses to pick it up. Is this a bug or something I am missing here.
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01-22-20, 08:35 PM | #21 | |
Samurai Navy
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Quote:
Is this method historic? Hard to say really. As derstosstrupp said a submarines place was, if possible, on the surface, and surfaced attacks at night where the preferred method of attack during the first years of the war. However, this changed radically mid war when staying on the surface became far to dangerous, due to aircraft and radar equipped escorts. While this particular method was developed in the 50ties, other methods to determine a targets position, by observing the change in bearing to target over time, where already in use much earlier than that. |
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02-05-20, 11:06 AM | #22 |
Chief
Join Date: Nov 2012
Posts: 325
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@Tonci,
I have noticed the bearing read on the scratchpad next to the hydrophone is always 1 degree higher than what sonarman orally reports when you tell him to follow the target. So which bearing number do you go with? Right now, I don't know which one is correct so I take average of the 2 numbers. Say if scratchpad show 72 and sonarman says 71, I use 71.5 for my mapwork. Is that a good way to do this? |
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