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-   -   I just got killed but no idea how (https://www.subsim.com/radioroom/showthread.php?t=231461)

Barkerov 05-26-17 10:37 AM

I just got killed but no idea how
 
So I was on patrol in the East china sea, and I get a radar contact which I determine is an aircraft. I dive to 160ft (sea floor is at 231) and travel at 2kts for 10 minutes. Then I make my way to radar depth and suddenly everything is destroyed and the watch crew are all dead.

WTF happened? Did I get bombed? If so 10 minutes from radar contact to eating a depth charge seems like a very long time, usually they are long gone after 10 mins. Was it a mine?

any ideas? I am using RFB and RSRDC. It's September 44 in my game

propbeanie 05-26-17 11:04 AM

East China Sea, dependent upon location, can be crawling with land-based airplanes. Airplane "A" sees your boat and "phones home" and tells all his buddies. They space themselves out, and take turns covering your last known, and potential next location. May well have been Airplane "D" that bombed you... A mine is also not out of the realm of possibility. Did you have a chance to "Save" while dying? If so, do a replay and see what you can see, if you can...

LCQ_SH 05-26-17 01:45 PM

Quote:

Originally Posted by propbeanie (Post 2486772)
Did you have a chance to "Save" while dying?...


I just laughed out loud!! :haha: :D

:salute:

propbeanie 05-26-17 03:33 PM

:lol: - you do it often enough, you come to recognize what's happening as the world is going dark... :lol:

Bubblehead1980 05-26-17 05:02 PM

Quote:

Originally Posted by Barkerov (Post 2486768)
So I was on patrol in the East china sea, and I get a radar contact which I determine is an aircraft. I dive to 160ft (sea floor is at 231) and travel at 2kts for 10 minutes. Then I make my way to radar depth and suddenly everything is destroyed and the watch crew are all dead.

WTF happened? Did I get bombed? If so 10 minutes from radar contact to eating a depth charge seems like a very long time, usually they are long gone after 10 mins. Was it a mine?

any ideas? I am using RFB and RSRDC. It's September 44 in my game



Definitely sounds like a plane got you. Come to scope depth first next time, raise scope and SD radar antenna, check around, all clear, then surface.

Barkerov 05-26-17 07:47 PM

I hadnt reached radar depth yet. I was at 90ft on my way up from 160 when it happened.

I doubt any of the aircraft saw me. I was down soon after I got the radar contact

fireftr18 05-26-17 08:26 PM

In the right conditions, you can be seen from an airplane as deep as 160 feet.
:k_confused:

Barkerov 05-27-17 02:55 AM

From what kind of angle are we talking?

In other words, have I been extremely unlucky or careless?

propbeanie 05-27-17 09:19 AM

Yes... but seriously, in TMO, you can be "seen" down relatively deep on a clear, calm day - but it's only supposed to be if they fly directly over your location. Once you are spotted though, it's rather easy to tell where you're going to be. You going in a set direction, at a set speed, and most likely won't change that very much in the time it takes a plane to turn and come back, or tell his buddies. So, at 3 knots or less, going North, in the ten minutes that passed, the plane probably had a really good fix on your location. Like they say about horse shoes and hand grenades, you only have to be sort-of close with a depth charge drop...

Bubblehead1980 05-27-17 12:02 PM

Quote:

Originally Posted by propbeanie (Post 2486918)
Yes... but seriously, in TMO, you can be "seen" down relatively deep on a clear, calm day - but it's only supposed to be if they fly directly over your location. Once you are spotted though, it's rather easy to tell where you're going to be. You going in a set direction, at a set speed, and most likely won't change that very much in the time it takes a plane to turn and come back, or tell his buddies. So, at 3 knots or less, going North, in the ten minutes that passed, the plane probably had a really good fix on your location. Like they say about horse shoes and hand grenades, you only have to be sort-of close with a depth charge drop...

This is something I'd like to restore in the RSRD version for TMO in later war.Simulate MAD and give planes weapons capable of reaching deeper than only 165 feet. Currently reading "Take Her Deep" again about the Halibut. While have not reached the part concerning "the" attack in November 1944 that left Halibut damaged so terribly it was decided not to repair her, I recall the planes were bombing Halibut at depths greater
than 165.

Planes in RSRD are not much of a threat usually.

propbeanie 05-27-17 02:24 PM

There is a sort-of WIP MAD simulation that Peabody and keltos01 did several years ago. One version for the USN, another for the IJN. We're still working on the campaign itself, and haven't been able to look into finding and editing that just yet, but we will be. I'll see how "compatible" it would be as a general add-in mod, and then see if keltos01 and / or Peabody want to release it by itself. I've seen it at work, and the planes do pretty well "dog" you until they run out of depth charges... cool stuff... sort-of :har:

Vatis1982 05-27-17 08:08 PM

Have you consider the possibility that you have the unlucky privilege of hitting a mine?
It is extremely rare but still a possibility.

Bubblehead1980 05-27-17 09:12 PM

Quote:

Originally Posted by Vatis1982 (Post 2487012)
Have you consider the possibility that you have the unlucky privilege of hitting a mine?
It is extremely rare but still a possibility.


I was thinking about that as well. So rare though. I've had it happen once first played SH 4 in 2008.

Barkerov 05-28-17 09:03 AM

Quote:

Originally Posted by propbeanie (Post 2486918)
Yes... but seriously, in TMO, you can be "seen" down relatively deep on a clear, calm day - but it's only supposed to be if they fly directly over your location. Once you are spotted though, it's rather easy to tell where you're going to be. You going in a set direction, at a set speed, and most likely won't change that very much in the time it takes a plane to turn and come back, or tell his buddies. So, at 3 knots or less, going North, in the ten minutes that passed, the plane probably had a really good fix on your location. Like they say about horse shoes and hand grenades, you only have to be sort-of close with a depth charge drop...

The seas were at 7m/s and I was on my way up when it happened. From his trajectory I would agree he went almost right over the top though. Not sure what I can do differently in future. I could try diving deeper in future if I think they are headed right over the top. Maybe a turn too?

Barkerov 07-11-17 08:33 PM

OK so last night the same thing happened again. I was in the formosa straits, depth below keel about 700ft. I picked up 2 radar contacts headed my way so I ordered a crash dive. I intended to get to a depth of 250 but at about 100ft on the way down there was a collision sound of some kind. Heavy damage and flooding, everyone in the watch slots = dead.
I managed to emergency surface only to find the two planes I had detected had arrived within visual range. But they did so AFTER the collision. I shot at them, thinking they would now attack but they ignored me. I guarantee there was not enough time between detection and damage for it to be these guys that caused the damage.

So I saved the replay as suggested to check for mines. There was no mine either?!?!?!
I still have no idea what caused the damage. Has anyone got any ideas now? Did I strike an invisible object of some kind?

propbeanie 07-11-17 10:03 PM

Quote:

Originally Posted by Barkerov (Post 2499441)
OK so last night the same thing happened again. I was in the formosa straits, depth below keel about 700ft. I picked up 2 radar contacts headed my way so I ordered a crash dive. I intended to get to a depth of 250 but at about 100ft on the way down there was a collision sound of some kind. Heavy damage and flooding, everyone in the watch slots = dead.
I managed to emergency surface only to find the two planes I had detected had arrived within visual range. But they did so AFTER the collision. I shot at them, thinking they would now attack but they ignored me. I guarantee there was not enough time between detection and damage for it to be these guys that caused the damage.

So I saved the replay as suggested to check for mines. There was no mine either?!?!?!
I still have no idea what caused the damage. Has anyone got any ideas now? Did I strike an invisible object of some kind?

If you know how, use the Mission Editor and open the Data \ Campaigns \ Campaign \ Jap_Minefields.mis file, and notice the anti-sub nets and minefields on both ends of the Formosa Straits. Do not click on any "OK" buttons or "Accept" buttons. Always "Cancel" out so that you don't accidentally have the Mission Editor bring "stock" info back into the file - but you can right-click on an item, or choose it in the Explorer tab, and select "Properties", and you should be able to see the dates things become "active"... I don't know if the mines and sub nets render in a replay, but I'm thinking that they do...

Barkerov 07-12-17 12:24 AM

Thanks Propbeanie. I will give this a try.
It makes me wonder though, in game do mines make a BOOM sound or a CRUNCH sound? This to me sounded more like what you get when you hit the sea floor. The replay certainly didn't render whatever it was I hit.

Also I was in the middle of the formosa strait, not at the ends if that matters.

propbeanie 07-12-17 08:17 AM

Yes, the mines and nets are at either end. I don't think there is anything like that in the middle. If you're at 100 though, and the mine is at 15, you could hear the "chain" rattle as you catch it, then the "boom!" as the mine gets close. One thing we've discovered in FotRSU is that the anti-sub nets do not render correctly, and that you will hear their sound at approximately the 20km distance, though I don't think you take damage from them there... Are you sure you didn't get bombed? If you've got a save with replay, look again from a different angle. The game doesn't always "draw" things the same way twice in the replay files...

Barkerov 07-12-17 06:54 PM

100% certain I didn't get bombed. I watched the replay once from the surface and once centered on where I took the damage.

After looking at the maps though, I concluded that I am in fact in the right area for a minefield and I was last time around too (East China Sea just off the coast). These minefields also have their mines set at depths between -35 and -20 which if in meters means between 65ft and 115ft deep. It is the right depth to account for both incidents. Weird that it didn't render though :hmmm:

Anyway by DID rules it looks like I am starting again. S-42 Class, April 22nd 1942 out of Brisbane. Not a minefield even close.

Thanks again propbeanie. Wouldn't have been able to figure it out without your advice :up:

propbeanie 07-12-17 08:15 PM

You are more than welcome. The minefields during the war were a menace to everyone, not just the warships... The things broke loose all the time, and would float to where ever the currents carried them...


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