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-   -   [REL] Real ASW Mod (https://www.subsim.com/radioroom/showthread.php?t=222307)

padi 10-29-15 05:08 PM

The polish ships are now working. I´m at the moment in the progress of testing and debugging.

jaxa 10-30-15 09:10 AM

Very good news :up:

padi 10-30-15 11:10 AM

I have uploaded the new v.3 Beta 4.

More infos in the first post.

The next step are the french and italian DCs, which are the Focal points of the next version. Informations to them are also welcome;)

After I have finished them I would add the last few ships which I left out until now.

Niume 12-17-16 12:08 PM

What about Gwx? Is where mod similar?

padi 01-21-17 03:04 PM

Quote:

Originally Posted by Niume (Post 2452823)
What about Gwx? Is where mod similar?

The adaption for GWX is in the works.

Niume 01-21-17 04:04 PM

Quote:

Originally Posted by padi (Post 2459669)
The adaption for GWX is in the works.

YES The must have mod is getting updated to GWX

padi 07-15-17 04:48 PM

Good news, the Mod is again in development!
I have lost interest on SH3 because of some bad things happened in the Marinesims-Forum by one member, but after more than a half year without SH the interest is back again so I´m beginning to add the missing ship equipment.
But I think that I need help with some classes because I find very less information about french, italian and some other ASW-weapons.

gap 07-15-17 07:09 PM

Quote:

Originally Posted by padi (Post 2500457)
Good news, the Mod is again in development!
I have lost interest on SH3 because of some bad things happened in the Marinesims-Forum by one member, but after more than a half year without SH the interest is back again so I´m beginning to add the missing ship equipment.
But I think that I need help with some classes because I find very less information about french, italian and some other ASW-weapons.

I am glad to hear that you are keep on your good work on this mod :up:

I might have something for you on my HD: declassified documents on German, Italian and French ASW weapons, and a few British/American DC models (but if need be, with the time I could as well model other neation's ammonition and throwers) :03:

padi 07-16-17 03:19 AM

Sounds vers nice and helpful!
Also that you have models available is like a dream come true!
Do you also have information about the ammount of DC's the vessels have carried, because for some ships like the french or the Isaac Sweers I find zero information.
Thanks

gap 07-16-17 01:22 PM

Quote:

Originally Posted by padi (Post 2500521)
Sounds vers nice and helpful!
Also that you have models available is like a dream come true!
Do you also have information about the ammount of DC's the vessels have carried, because for some ships like the french or the Isaac Sweers I find zero information.
Thanks

Hi padi, and sorry for the late reply. I need to check the documents I have available as I didn't look at them in a long time. I think, but I am not sure, they have information about DC shapes, sizes, weights, type and quantity of explosive charges used, types of detonators used and detonation mechanisms, kill radii, etc.
Some good documents that you can start from are found at the following page:

http://www.lexpev.nl/manuals/unitedstates.html

Navweaps.com also has a good deal of data, but you probably know it already. Most of the information collected in it comes from John Campbell's Naval Weapons of World War Two, of which I have a copy. Should you need to check directly the source, I will be glad to do it for you.

Talking about 3D stuff, I have good quality models of the following depth charges: Type D MkIII, MkVII, MkVII-Heavy (GB), Mk6, Mk7, Mk9, Mk9-Mod2 (US). All the models are by me, so no need to ask for permission to use them, and they come with throwing arbor models as well :up:

jaxa 07-16-17 01:25 PM

Good to hear that your work is in progress, padi :up:

A6Intruder 07-17-17 12:05 PM

Quote:

Originally Posted by jaxa (Post 2500625)
Good to hear that your work is in progress, padi :up:

Copy that!
Best regards:Kaleun_Salute:

the_frog 07-17-17 02:48 PM

Hello padi,

in case you are looking for 3D models of the two basic types of British throwers, check the lastes version of the guns_UK library.

As for the Isaac Sweers, it was fitted out in the UK and had the standard outfit of fleet destroyers of 1941/42 (4 throwers, 2 rails).

The original French ships had an internal rail systems for heavy depth charges and Thornycroft-type throwers. All that is included in the models done by Texelbo and also in my Le Fantasque model.

The French ships serving with the Royal Navy had their equipment replaced by British material. So, try making educated guesses by comparing with similar British units.

The Italian used their very own type of throwers and also specific rails. A simple model of the Italian throwers was done by JapLance for his SH4 models. Just check the libraries he provided.

Cheers

padi 07-19-17 04:36 AM

Wow that are really nice and useful informations!
I'm implementing that information into the files and I hope that I can upload a extended file in the next few days.

But I have two questions regarding your answers:

1. to the Frog: Which guns_UK do you mean? Is the file supplied with your last ship?

2. to gap: I would really like to implement the Models into the files. There is only one Question: Did the Mk7 Mod2 look different from the Mk7?
Sadly the Mk9 Mod2 is useless for the purpose of this mod, because the only advantage (that I have read about) was the deeper detonation depth...
But if the Mod2 had any implementable improvements I'm going to implement them.

Also thanks to all the replys which show me that the work isn't useless and nobody cares about it!

Like we say in Germany "das geht runter wie Öl"!

gap 07-19-17 07:43 AM

Quote:

Originally Posted by padi (Post 2501287)
2. to gap: I would really like to implement the Models into the files. There is only one Question: Did the Mk7 Mod2 look different from the Mk7?

I don't have any information on the existence of a Mk7 Mod2, but there were a Mk9 Mod1 and a Mod2 if that's what you meant. IIRC, the Mk9 and the Mk9 Mod1 were almost identical, the only difference consisting in construction details. The Mk9 Mod2, on turn, differed in many ways from the two previous mods:

http://i.imgur.com/y9SVLOZ.png

Depth charge Mk9 on the left, MK9 Mod2 on the right

Quote:

Originally Posted by padi (Post 2501287)
Sadly the Mk9 Mod2 is useless for the purpose of this mod, because the only advantage (that I have read about) was the deeper detonation depth...
But if the Mod2 had any implementable improvements I'm going to implement them.

I am going by memory, but I think the Mk9 and the Mk9 Mod2 had slightly different explosive charges/blast radii, and I am pretty sure their sinking rates differed quite a lot. Conversely, the Mk9 and the Mk9 Mod1 shared the same characteristics.

Detonation depths depended on detonators/fuzes fitted, and they can't be associated with any particular depth charge mark/mod, as they were interchangeable and new detonators were often retrofitted to older depth charge models. Information available on the web is often misleading on this point, but the US manuals that I pointed you to are quite clear on this respect.

Quote:

Originally Posted by padi (Post 2501287)
Also thanks to all the replys which show me that the work isn't useless and nobody cares about it!

Sure it isn't, quite the opposite. Depth charge's evolution, together with the improvement of detection technologies, was one of the key factors of WWII ASW. At the beginning of the war, DCs were more a deterrent than an actual threat, but by mid-late war, they had turned into deadly weapons. Unfortunately devs oversimplified these factors. Any mod addressing them, is of high interest :up:

Kendras 07-19-17 08:03 AM

Quote:

Originally Posted by gap (Post 2501316)
Depth charge's evolution, together with the improvement of detection technologies, was one of the key factors of WWII ASW. At the beginning of the war, DCs were more a deterrent than an actual threat, but by mid-late war, they had turned into deadly weapons. Unfortunately devs oversimplified these factors. Any mod addressing them, is of high interest

+1 :yep:

padi 07-19-17 08:04 AM

No, I mean the second modification of the Mk7, which I refer as Mod2.
Here is the corresponding text from Navweaps:

Quote:

A redesigned Mark 4. The redesign was to simplify the construction and took advantage of new production techniques developed since the end of World War I. This was the standard depth charge for USN ships early in World War II. Mod 1 (issued in August 1942) increased the maximum depth setting to 600 feet (183 m). A later version reduced the warhead to 400 lbs. (181.4 kg) TNT in order to add a lead weight which increased the sink rate to 13 fps (4 mps).
The part from "A later version..." I think is refering to the Mod2.

Quote:

I am going by memory, but I think the Mk9 and the Mk9 Mod2 had slightly different explosive charges/blast radii, and I am pretty sure their sinking rates differed quite a lot. Conversely, the Mk9 and the Mk9 Mod1 shared the same characteristics.
I have never heard from that, but I will search about that.

I also haven't knew the information about the fuzes before...

gap 07-19-17 09:21 AM

Quote:

Originally Posted by padi (Post 2501322)
No, I mean the second modification of the Mk7, which I refer as Mod2.
Here is the corresponding text from Navweaps:

[...]

The part from "A later version..." I think is refering to the Mod2.

Oh, you are talking about the British MkVII. The usage of the same mark numbers for different depth charges by the Americans and by the English, is a bit misleading. British DC's were designated with roman numbers though, whereas for US DC's arabic numbers were used instead. :03:

Anyway, I think the official designation for the DC mod you are talking about was MKVII-Heavy, and yes, its lead weight protruding from the cylindrical casing, it brong some external differences compared to the 'regular' MkVII:

http://i.imgur.com/VWAvIGD.png

British depth charge MkVII (left) and MkVII-Heavy (right)

Quote:

Originally Posted by padi (Post 2501322)
I have never heard from that, but I will search about that.

I also haven't knew the information about the fuzes before...

I am a bit busy now, but I will point you to the right information ASAP. Somewhere on my HD, I should have an Excel chart created by me, resuming all the characteristics of the main US/British depth charges and all the possible combinations of DC's, fuzes and detonators :salute:

padi 07-19-17 09:28 AM

Quote:

Originally Posted by gap (Post 2501346)
Oh, you are talking about the British MkVII. The usage of the same mark numbers for different depth charges by the Americans and by the English, is a bit misleading. British DC's were designeted with roman numbers though, whereas in the States arabic numbers were used instead. :03:

Anyway, I think the official designation for the DC mod you are talking about was MKVII-Heavy, and yes, its lead weight partly protruding from the cylindrical casing, it brong some external differences compared to the 'regular' MkVII:

http://i.imgur.com/VWAvIGD.png

British depth charge MkVII (right) and MkVII-Heavy (left)



I am a bit busy now, but I will point you to the right information ASAP. Somewhere on my HD, I should have an Excel chart created by me, resuming all the characteristics of the main US/British depth charges and all the possible combinations of DC's, fuzes and detonators :salute:

No, I´m talking about the american Mark 7 DC and not the british Mark VII!
As written here http://www.navweaps.com/Weapons/WAMUS_ASW.php the Mark 7 had at least two modification intervals and because of that I named the second modification interval Mod 2, even if this name is not written, but what should you name it else?

gap 07-19-17 10:30 AM

Quote:

Originally Posted by padi (Post 2501348)
No, I´m talking about the american Mark 7 DC and not the british Mark VII!
As written here http://www.navweaps.com/Weapons/WAMUS_ASW.php the Mark 7 had at least two modification intervals and because of that I named the second modification interval Mod 2, even if this name is not written, but what should you name it else?

I am sorry: I have checked all the documents I know of, but I couldn't find any useful information on the topic. Data reported by John Campbell in his book that I mentioned in one of my previous posts, is more or less the same as in Navweaps:

Quote:

Originally Posted by John Campbell - Naval Weapons of World War Two (1985)
"A redesigned Mk 4 and standard in the earlier part of the war. Total weight was 768lb (348kg), charge 600lb (272kg), sinking speed 9f/s (2.7m/s) and depth 30-300ft (9-91m) increased in Mod 1 (issued in August 1942) to 600ft (183m). Versions with lead weight had a sinking speed of about 13f/s (4m/s)"

That's all. I have also checked this ordnance pamphlet by the Bureau of Ordnance, but nowhere in it these 'lead weight versions' are mentioned. The document is dated December 1943. Either the heavy Mk7 entered service after that date, or it was seldomly used.
Let me know if you find any extra information. In the meanwhile we can only assume that, unlike the British Mk VII-Heavy, the US depth charge with the same number had the lead weight fitted internally, and that the heavy version of it had the same external appearance as its standard-weight mods. The lead weight being internal, seems to be confirmed by the fact that the explosive charge had to be reduced in order to make space for the extra weight, as reported by navweaps. :salute:


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