Depth record

[Fregattenkapitän]

...

[Maki4444]

Well in the book "Iron Coffins" it states that the sub, pushed by depth charges reached a depth of 300 meters, without being crushed. But as for the ingame settings I am not sure, I never really tried putting the sub to it's limits.

[quink99]

Martin Middlebrook, the author of Convoy, New York:William Morrow and Company, 1976, based on "unspecified interview" cites 270 meters (885 ft.) as the max. depth obtained by a Type VIIC and 310 meters (1,020 ft.) by a Type IXC.

As to the max. depth obtainable in the game I have no idea.

[Hinrich Schwab]

The stock crush depth without mods is too shallow. It is around 200 meters and you will take damage at 175+ This seemed to force the player to rely on one of the broken passive skills. Modded extends this to roughly 240 meters with some variations, depending on your mod, which is around what the calculations indicate. Historically, no one really knew and it varied wildly per individual boat. The U-boats that survived extreme dives reported ~275-300 meters.

[quink99]

The stock crush depth without mods is too shallow. It is around 200 meters and you will take damage at 175+ This seemed to force the player to rely on one of the broken passive skills. Modded extends this to roughly 240 meters with some variations, depending on your mod, which is around what the calculations indicate.

What specific MODs, Schwartzritter, would extend the max. depth to more than the stock SH5?

[Jmack]

there was a mod in SHIII where you could set the max depth or randomize it after the max depth was reached ...

[Bilge_Rat]

This has always been an interesting topic. The problem of course, is that most U-boats which went too deep never came back up...

I read through Blair's 2 volumes on the U-boat war, took me about 5 years off and on and only finished last year. He noted when U-Boats went to unusual depth, since this would have been noted on the captain's log, namely:

1. the deepest recorded dive occurred on march 11, 1943, U-432, a veteran VIIc on its 8th war patrol but w. a green skipper sank a merchantman. Incredibly, instead of taking evasive action, the boat stayed at periscope depth and the officers broke out champagne to celebrate... :o. When the corvette Aconit carried out a standard sweep, it was surprised to find U-432 still at PD. Aconit dropped 10 DCs which caused extensive damage to U-432 and drove it down to 1,000 feet (307 meters). This depth "...so terrified all hands.." that the skipper decided to surface at which point it was quickly sunk by the escort, so we have no idea what damage was done to hull, if any, from the dive.

2.the deepest recorded dive by a type VII which survived was 252 meters (820 feet) by U-331, a VIIc, right after it sank HMS Barham.

It appears such deep dives were rare events. Blair mentions two dives by other boats in 41, one to 750 feet (230 meters) and one to 675 feet (208 meters) as "scary" for the crew. Certainly serious enough to be recorded in the boat's log.

The VIIC/41 was supposed to be deeper diving, but Blair never mentions a deep dive in one. Of course, the VIIC/41 only started war patrols in mid-late 1944, when U-boats had a very short life expectancy, so it is entirely possible the record holder never made it back to base.

[gambla]

L.G. Buchheim's "Das Boot" is called a novel, but he said, that everything written, is his own true experience gathered on different boats. When they lost the boat at Gibraltar, the boat is said to hit ground on 280 m. I believe it's true, as nothing was so important for him as to make the movie as realistic as possible. And by the way, i recently have read an article by him about making the movie. He wasn't very happy with many things.

[Sailor Steve]

L.G. Buchheim's "Das Boot" is called a novel, but he said, that everything written, is his own true experience gathered on different boats. When they lost the boat at Gibraltar, the boat is said to hit ground on 280 m. I believe it's true, as nothing was so important for him as to make the movie as realistic as possible.
I too believe it's true, because other, non-novel, sources have said as much.

And by the way, i recently have read an article by him about making the movie. He wasn't very happy with many things.
And several u-boatmen criticized the book as being over the top in several areas.

[Catfish]

Buchheim wrote 3 books about his, well, friendship, with Lehmann-Willenbrock.
1. Das Boot (patrol with U-96, but mixed with other experiences, so in a way, fiction.)
2. Die Festung (Last months in the fortress Brest, and how Buchheim escaped in a car, through France, while Lehmann-Willenbrock broke out of the siege with a snorkel-fitted U-boat to reach Norway - latter only reported, no details, but also very interesting)
3. Der Abschied (how they met again on the german nuclear merchant "Otto Hahn", long after the war; Willenbrock being Captain of said ship)

and three books with photos of Buchheim's time as a war reporter aboard U-96, others and harbours, with excellent pictures and explanations !

The non /41 /42 types were already able to go as deep as 300 meters, however the official "wharf guarantee" was at 120, later 160 meters.

The VIIC boat that torpedoed the Barham, sank to 338 meters (bow) after the attack while evading destroyers, when the crew realized the central depth gauge had blocked at 80 (they really tried to get the boat deeper by flooding more, but the boat did not react or so it seemed), and they received a nervous report from the bow, with its own depth gauge.
The hull had been twisted and torn by the pressure though, and both propshafts had become noisy in their misaligned rotary shaft seals.

I would say that almost every type VII-boat would have been able to go to 220 meters without problem, the very early VIIAs maybe a bit less.

Greetings,
Catfish

[Hinrich Schwab]

What specific MODs, Schwartzritter, would extend the max. depth to more than the stock SH5?

TheDarkWraith's UI mod http://www.subsim.com/radioroom/showthread.php?t=166093 has several fixes, especially the depth keeping bug fix. ddrgn's U-boat Historical Specifications mod http://www.subsim.com/radioroom/downloads.php?do=file&id=1775 directly addresses this issue and throws in some more realism for good measure (read: learn to hate bad weather:D)

[Hinrich Schwab]

And several u-boatmen criticized the book as being over the top in several areas.

This is ironic and hilarious because Buchheim walked away from Petersen and Das Boot because Buchheim thought the script was over the top.

[Hinrich Schwab]

there was a mod in SHIII where you could set the max depth or randomize it after the max depth was reached ...

The megamods and several other mods change this. SH3 Commander I know for certain adds the random feature to crush depths.

[Bilge_Rat]

The VIIC boat that torpedoed the Barham, sank to 338 meters (bow) after the attack while evading destroyers, when the crew realized the central depth gauge had blocked at 80 (they really tried to get the boat deeper by flooding more, but the boat did not react or so it seemed), and they received a nervous report from the bow, with its own depth gauge.
The hull had been twisted and torn by the pressure though, and both propshafts had become noisy in their misaligned rotary shaft seals.



Do you have a link for that? 338 meters is 1098 feet. I checked Blair again and he has U-331 diving down to only 252 meters (820 feet).

[Sailor Steve]

This is ironic and hilarious because Buchheim walked away from Petersen and Das Boot because Buchheim thought the script was over the top.
Even more so because Lehmann-Willenbrock was technical adviser on the movie, and he didn't walk away.

[Subnuts]

L.G. Buchheim's "Das Boot" is called a novel, but he said, that everything written, is his own true experience gathered on different boats. When they lost the boat at Gibraltar, the boat is said to hit ground on 280 m. I believe it's true, as nothing was so important for him as to make the movie as realistic as possible. And by the way, i recently have read an article by him about making the movie. He wasn't very happy with many things.

280 meters? Clay Blair's Hitler's U-boat War says otherwise.
http://i44.tinypic.com/2v2d21e.jpg

[Hinrich Schwab]

Even more so because Lehmann-Willenbrock was technical adviser on the movie, and he didn't walk away.

For me, that's what made the movie. The real "Der Alte" was there the entire time guiding everyone.

[Captain_AJ]

For me, that's what made the movie. The real "Der Alte" was there the entire time guiding everyone.

I think that you can change the depth of the sub using SD3 .. It seem my viib boat can only reach 160 meters , and than she starts getting damaged to the hull .. In fact just for and realisum I took the boat out and did crash dive test and amoungest other things

[Hinrich Schwab]

What does that have to do with my follow-up quote regarding "Das Boot"?:06:

[Fregattenkapitän]

I manage to dive to 306 meters with a VIIB.
Damage started around 290 meters.

I used ''blow ballast'' option and engines ''back emergency''
but noting helpt it keeps sticking at 306 meters.

I got some screenshots, but i cant find the folder, :ping:

[Bilge_Rat]

I manage to dive to 306 meters with a VIIB.
Damage started around 290 meters.



you can do anything with mods. Of course, in RL there is no way a VIIB/C could get anywhere close to that depth without risking severe and probably irreversible hull damage.

btw, what mod are you using?

[Catfish]

Hello,
first i do not know why Blair sometimes writes what he writes, i think he got some reports wrong. U-96 did neither try to sneak through Gibraltar with Buchheim aboard, nor was Buchheim aboard a submarine at the bottom near Gibraltar - at least that is what i read, by B. himself.
Do not take the novel "Das Boot" for completely real, and surely not the film (rivets giving in, in a welded boat ?). For all i have read Johann's reaction seem badly exagerrated, as well general discipline aboard those boats was high, even if the tone itself was sometimes un-militarily. More a kind of respect regarding the other's capabilities. This does not mean that the captain did not indeed have a pistol, and was allowed to use it in cases of mutiny or critical situations. For what has been written, it was never used.

Second, the 338 meters are from Tiesenhausen's log book, partly published in (among others) Frank's "Die Woelfe und der Admiral". The U-331 went down at a steep angle, so the bow may have been deeper than the central part of the boat, anyway a good 300 meters seem believable.

Greetings,
Catfish

[Fregattenkapitän]

Bilge rat@ I use the stock game

got only the antilag file that i placed into the game noting else.

[gambla]

280 meters? Clay Blair's Hitler's U-boat War says otherwise.


I don't know Clay Blair, but Wikipedia too mentions U 96, to have been on the ground twice, but "only" between 50 and 70 m.

("Das tatsächliche U 96 lag ebenfalls nach einem Angriff vor Gibraltar - sogar zweimal - auf Grund. Allerdings in weniger "dramatischen" Tiefen von 50 m und 70 m")

However, 280 m are beliveable, if you take all accounts together.

[Hinrich Schwab]

I don't know Clay Blair, but Wikipedia...

I wouldn't trust Wikipedia for anything beyond pop culture. :down:

[quink99]

Originally Posted by gambla
I don't know Clay Blair, but.................


Clay Blair is the author of the wonderful two volume series, Hitler's U-Boat War, Vol. one The Hunters, 1939-1942 (1,700 pages not counting tables and Appendices) and Vol. two, The Hunted, 1942_1945 (1,714 pages, again not counting tables and appendices).

From a listing of primarary and secondary sources the author has given us U-boat fans 3,414 pages of rattling good, page turning, accurate history. Go check it out on Amazon. I highly reccomend it!

"An admirable and important book..........Should become the standard history of the Unterseeboote for many years"
_Russel F. Weigley, The Washington Post"

NOTE: Use the Amazon link at the bottom of this page and if you decide to buy it then our SubSim Forum will get a bit of financial credit.

[Sailor Steve]

Clay Blair is the author of the wonderful two volume series, Hitler's U-Boat War, Vol. one The Hunters, 1939-1942 (1,700 pages not counting tables and Appendices) and Vol. two, The Hunted, 1942_1945 (1,714 pages, again not counting tables and appendices).
Not to mention Silent Victory: The US Submarine War Against Japan, preceding the other two and every bit as good, MacArthur: Korea and the Undoing of an American Hero, on which the Gregory Peck movie was based, and several other equally good books.