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-   -   Crush depth (https://www.subsim.com/radioroom/showthread.php?t=101480)

_Seth_ 12-03-06 12:11 AM

:nope: Stupid Depth-charges....... stupid, stupid,stupid depthcharges...
:rotfl::rotfl:

Jimbuna 12-03-06 04:49 AM

Quote:

Originally Posted by _Seth_
Quote:

Originally Posted by mookiemookie
IIA = 152
IID = 157
VIIB = 225
VIIC = 247
VIIC/41 = 247
VIIC/42 = 247
IXB = 216
IXC = 232
IXC/40 = 232
IXD2 = 235
XXI = 285

taken from: http://www.communitymanuals.com/shii...tle=Submarines
As it says on that page: "Source: SH3 Manual and for Max Depth SH3 Crush Depth Tool. IXC/40 VIIC/41 and VIIC/42 Found Experimentally."

Im currently on my way to the surface in a IXB after reaching a depth of 289 meters.Heavy flooding, DC hammering all over, hull integrity went down to 88 % before i started surface. Blew all the sit into the tanks, full speed ahed at 3 knots. I'll guess there will be a welcome-party topside, so wish me luck....:rock:

Edit: Im dead. At 263 meters the hull gave in. Now im sleepin' with the fishes...

Must be nice to know what your hull integrity is!! ;)

Mauser KAR98K 12-03-06 04:49 AM

I went down to 180 meters yesterday. Had to do it to shake a DD off in the rough waters. Worked real well. Couse my CE called out"...we're approaching Crush Depth sir..."

Since that was the furthest I have dived before, I took his advice and leveled the boat out. I was under the layer and snuck away...hearing the wasserbombs exploded far far away.

Meet a taskeforce later down the road...current that is. Nailed a Corvette and two cargo ships before crashing diving to 140 meters. Unfortuantly this was the first time I ran into a ship with hedghogs:doh::doh: Wonderful thing was, they went to deep. The depth charges were a different story thou. One exploded over my stern quarters, I tried to go deeper...too bad my boat couldn't do it:gulp:

Corsair 12-03-06 05:19 AM

The crush depth is not a fixed value, it is assuming the sub is not damaged. I lost a type IX not long ago at 140m just because of a little damage to the forward torpedo compartment. And it went fast, didn't have the time to come back up to a safer depth.:cry:

Hybris 12-03-06 08:01 AM

Quote:

Originally Posted by Subwolf
What is the true crush depth of the different SH3 U-boat types, or in other words...at which depth did you die? :dead:

According to the manuals the max depth of a VII is 225m, but I thought it could dive even deeper.

You can always go deeper... now coming back up that maybe a problem...:rotfl:

AS 12-03-06 03:59 PM

Here´s what I know for sure from various readings (all figures refer to VIIb and c): - unlike the US Navy the German Navy calculated a security factor of 1.5 and 2.5, which means: 100m operational depth - (multiplied by 1.5: 150m maximum depth, e.g. when in danger, multipled by 2.5: 250m calculatzed cruch depth) - the (secret!) crush depth was considered to be around 250m for VIIb/c, but this was a calculted, theoretical figure - several U-Boats, the real U-96 being among them, went much deeper, e.g. U-96 was at about 280m and returned home - later in war, when commanders were more experienced, they normally went to 200m without hesitating, but they were careful not to go way deeper. - today´s scientific calculations estimate the actual cruch depth around 290 or 300m . the BIG problem about crush depth is that the hull didn´t usually just implode ("crush"), but the weak spots became more and more problematic, leading to flooding etc. So the relevant question isn´t so much about "when did the hull actually collapse", but "How ddep could they go without causing so unstoppable flooding"? - whereas SH3 is totally wroing about crush depth, GW is too optimistic, since they have 500m as a standard value. This is certainly exaggerated. I believe in the experience U-96 made and today´s calculation because they both say the same: lethal depth must have been around 300m. Cheers, AS

Tachyon 12-03-06 04:40 PM

Quote:

Originally Posted by AS
Here´s what I know for sure from various readings (all figures refer to VIIb and c): - unlike the US Navy the German Navy calculated a security factor of 1.5 and 2.5, which means: 100m operational depth - (multiplied by 1.5: 150m maximum depth, e.g. when in danger, multipled by 2.5: 250m calculatzed cruch depth) - the (secret!) crush depth was considered to be around 250m for VIIb/c, but this was a calculted, theoretical figure - several U-Boats, the real U-96 being among them, went much deeper, e.g. U-96 was at about 280m and returned home - later in war, when commanders were more experienced, they normally went to 200m without hesitating, but they were careful not to go way deeper. - today´s scientific calculations estimate the actual cruch depth around 290 or 300m . the BIG problem about crush depth is that the hull didn´t usually just implode ("crush"), but the weak spots became more and more problematic, leading to flooding etc. So the relevant question isn´t so much about "when did the hull actually collapse", but "How ddep could they go without causing so unstoppable flooding"? - whereas SH3 is totally wroing about crush depth, GW is too optimistic, since they have 500m as a standard value. This is certainly exaggerated. I believe in the experience U-96 made and today´s calculation because they both say the same: lethal depth must have been around 300m. Cheers, AS

U-96 nearly buckled under all that pressure. The bolts were flying off so fast, it was like a pinball game inside the sub. Well, that's German engineering for you, you can push any vehicle to the limit, and have enough time to pray to God before the hull cracks up.

AS 12-03-06 05:34 PM

I don´t really undrstand what you´re getting at. The question was about actual cruch depth and I gave an answer which I´m pretty sure is quite accurate because I read a lot on the topic (this is why I just refer to the VII types, which I know most about). The fact that U-96 survived 280m implies that a Type VIIc could go that deep, not so hard to understand, is it? Cheers, AS

danlisa 12-03-06 05:41 PM

If I understand the posted figures and they way SH3 works, these depths are the depths that you will start loosing hull integrity with a previously undamaged boat.

With Stock you will loose hull points fairly quickly and will need to arrest the dive very quickly. IIRC with the supermods the loss is slower so you can afford to linger a little longer.

bigboywooly 12-03-06 05:44 PM

Quote:

Originally Posted by AS
GW is too optimistic, since they have 500m as a standard value. This is certainly exaggerated. I believe in the experience U-96 made and today´s calculation because they both say the same: lethal depth must have been around 300m. Cheers, AS

GW does say 500m on the cfg but that isnt the depth the game uses
Thats there so you dont know :yep:

Jimbuna 12-03-06 05:56 PM

One things for certain :yep: I've never made it to 500metres without getting crushed ...nowhere near in fact :o

AS 12-03-06 06:02 PM

Thanx, I didn´t know that. I´m sure GWX will fix it, though (LOL)

bigboywooly 12-03-06 06:05 PM

Nah :rotfl:
If the correct depth was on the cfg you would know how deep to go

This way leaves you guessing
Of course damage would limit whatever the actual figure is anyway

Uncertainty
:rotfl:

AS 12-03-06 06:56 PM

Sure, guessing how deep I can go is what I always do. Usually I pick a crew member and ask him: "Guess how deep we can go". He answers: I guess 284,2m, approximately. Then we try. If we die, he has lost the game. Just a little game we play to kill the time while being depth charged. :rotfl:

Redwine 12-03-06 06:58 PM

Quote:

Originally Posted by AS
whereas SH3 is totally wroing about crush depth, GW is too optimistic, since they have 500m as a standard value.
AS

Sure ? I am not user of GW, i was not in know of that, it is very strange the guys of GW Team take that value. :hmm:

bigboywooly 12-03-06 06:59 PM

Quote:

Originally Posted by Redwine
Quote:

Originally Posted by AS
whereas SH3 is totally wroing about crush depth, GW is too optimistic, since they have 500m as a standard value.
AS

Sure ? I am not user of GW, i was not in know of that, it is very strange the guys of GW Team take that value. :hmm:

lol read the reply too Red

http://www.subsim.com/radioroom/show...9&postcount=30

Redwine 12-03-06 07:03 PM

Quote:

Originally Posted by bigboywooly
Quote:

Originally Posted by Redwine
Quote:

Originally Posted by AS
whereas SH3 is totally wroing about crush depth, GW is too optimistic, since they have 500m as a standard value.
AS

Sure ? I am not user of GW, i was not in know of that, it is very strange the guys of GW Team take that value. :hmm:

lol read the reply too Red

http://www.subsim.com/radioroom/show...9&postcount=30

Correct, i was sure the guys of GW Team was not able to do that, all they sure was into the old crush depth discusions.

The 500m into the .cfg file is the depth up to wich one the game modelates the moviles, as sinking ships and sinking subs, but this value is not the crush depth, it is the depth at wich the 3D models disapears :up:

theluckyone17 12-03-06 11:28 PM

Quote:

Originally Posted by TarJak
Quote:

Originally Posted by Redwine
In my case, i dive as much as 45m 955 of the time, i change my crash dive to 45m, from stock 70m, due to the crash dive bug, to complete the crash dive in short time.

Looks like there is a workaround for the dreaded crash dive bug. You just have to make the weather calmer when you reload. See this thread: http://www.subsim.com/radioroom/showthread.php?t=101482

Just in case someone finds this thread in a future search, I figured I'd elaborate on this a bit. I believe the "crash dive bug" refers to the inability of the uboat to keep an even keel after interrupting a crash dive, causing problems with depth keeping. See this thread for a better explanation.

The quoted link is a potential fix (I haven't been able to replicate the bug yet, so I can't verify the fix works) for the "I just loaded my game, and my uboat sinks to the bottom of the ocean like a lead-filled cinder block" bug.

Redwine 12-03-06 11:34 PM

Quote:

Originally Posted by theluckyone17
The quoted link is a potential fix (I haven't been able to replicate the bug yet, so I can't verify the fix works).

Thanks for your research on this .... :up:

Subwolf 12-04-06 07:24 PM

Quote:

Originally Posted by jimbuna
Quote:

Originally Posted by Subwolf
What is the true crush depth of the different SH3 U-boat types, or in other words...at which depth did you die? :dead:

According to the manuals the max depth of a VII is 225m, but I thought it could dive even deeper.

Don't think any kaleun ever came back to report the true depth :D

Quote:

Originally Posted by Hybris
You can always go deeper... now coming back up that maybe a problem...:rotfl:

Very funny... :rotfl: :roll: :rotfl: :roll:


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