21 inch MK14 torpedo (Full Version)

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heckler -> 21 inch MK14 torpedo (4/15/2014 8:11:17 PM)

Ok, noob back again with a question...

After Jan 1 1943 my torpedoes are supposed to have their dud rate reduced by 20% (to 60% if I read the editor correctly)-do I need to access a port in order to get that? 25 torpedoes in, and of the hits only 5 have gone off. That is what I would expect before the New Year.

And in my data collecting I have been counting "hit! no explosion" the same as "torpedoes fail to detonate"...is that faulty understanding on my part?

Hoping I'm unlucky and not stupid, I think[8|]




Terminus -> RE: 21 inch MK14 torpedo (4/15/2014 8:26:54 PM)

Happens automagically. It has nothing to do with "upgrading" one torpedo device to another.

And your understanding is not faulty regarding reports of torpedoes not exploding.




heckler -> RE: 21 inch MK14 torpedo (4/15/2014 9:20:28 PM)

Coolio! Thanks Terminus [:)]

I'll just keep thinking positively that I'm due for a good run [:D]

Like maybe the next ten will explode




btd64 -> RE: 21 inch MK14 torpedo (4/16/2014 12:24:19 AM)

[sm=00000959.gif]




Lecivius -> RE: 21 inch MK14 torpedo (4/16/2014 2:59:32 PM)

In my experience you will hit AKL's, miss and dud on CV's, tear your hair out & gnash your teeth...




And then go play another turn [:D]




Numdydar -> RE: 21 inch MK14 torpedo (4/16/2014 3:13:43 PM)

One moves at 9 knts and the other can move at 25+ knts so there is a reason this happens [:)]




heckler -> RE: 21 inch MK14 torpedo (4/17/2014 10:03:44 AM)

It feels pretty cool to get the "PB obliterated by torpedo" or somesuch...but I would love for the hits on BB, CA, and CVE to bear fruit. Deadly exploding fruit




spence -> RE: 21 inch MK14 torpedo (4/17/2014 10:54:24 AM)

quote:

In my experience you will hit AKL's, miss and dud on CV's, tear your hair out & gnash your teeth...


My experience as well.

Historically quite a few Mk 14s did score on IJN warships; mostly in 1944 IIRC. HIJMS Kongo was the only IJN BB sunk but a couple of others were hit and damaged including Yamato. HIJMS Shokaku and Taiho were sunk along with most of the IJN CVEs. Junyo was damaged to such a degree by a submarine torpedo as to be out of the war thereafter.




Feltan -> RE: 21 inch MK14 torpedo (4/17/2014 11:05:03 AM)

Spence,

Don't forget that the largest ship ever sunk by a submarine, the IJN Shinano (CV), got stitched with 4 sub launched torpedoes on the way to Kure for fitting out and work ups.

Regards,
Feltan




Terminus -> RE: 21 inch MK14 torpedo (4/17/2014 11:43:11 AM)

The Kongo was sunk by Mk 18 torpedoes. THEY'RE NOT EVEN IN THIS BROKEN PoS GAME!




AW1Steve -> RE: 21 inch MK14 torpedo (4/17/2014 12:32:43 PM)


quote:

ORIGINAL: Terminus

The Kongo was sunk by Mk 18 torpedoes. THEY'RE NOT EVEN IN THIS BROKEN PoS GAME!



Back pain getting to you T?




AW1Steve -> RE: 21 inch MK14 torpedo (4/17/2014 12:33:40 PM)


quote:

ORIGINAL: Feltan

Spence,

Don't forget that the largest ship ever sunk by a submarine, the IJN Shinano (CV), got stitched with 4 sub launched torpedoes on the way to Kure for fitting out and work ups.

Regards,
Feltan

True , but she was in narrow coastal waters , not blue water. Her speed and maneuvering were significantly reduced.




msieving1 -> RE: 21 inch MK14 torpedo (4/17/2014 12:50:29 PM)


quote:

ORIGINAL: Terminus

The Kongo was sunk by Mk 18 torpedoes. THEY'RE NOT EVEN IN THIS BROKEN PoS GAME!


They are in the device database, but no subs use them. That can be fixed in the editor.




Terminus -> RE: 21 inch MK14 torpedo (4/17/2014 1:19:25 PM)


quote:

ORIGINAL: AW1Steve


quote:

ORIGINAL: Terminus

The Kongo was sunk by Mk 18 torpedoes. THEY'RE NOT EVEN IN THIS BROKEN PoS GAME!



Back pain getting to you T?


I was being sarcastic. The Mk 14 remained the primary sub-launched torpedo until the end of the war; it's proper that it's the device being used in the game.




AW1Steve -> RE: 21 inch MK14 torpedo (4/17/2014 4:05:36 PM)


quote:

ORIGINAL: Terminus


quote:

ORIGINAL: AW1Steve


quote:

ORIGINAL: Terminus

The Kongo was sunk by Mk 18 torpedoes. THEY'RE NOT EVEN IN THIS BROKEN PoS GAME!



Back pain getting to you T?


I was being sarcastic. The Mk 14 remained the primary sub-launched torpedo until the end of the war; it's proper that it's the device being used in the game.



Actually , so was I. We REALLY need to come up with a Sarcasm smiley. [8|]




crsutton -> RE: 21 inch MK14 torpedo (4/17/2014 4:12:35 PM)


quote:

ORIGINAL: spence

quote:

In my experience you will hit AKL's, miss and dud on CV's, tear your hair out & gnash your teeth...


My experience as well.

Historically quite a few Mk 14s did score on IJN warships; mostly in 1944 IIRC. HIJMS Kongo was the only IJN BB sunk but a couple of others were hit and damaged including Yamato. HIJMS Shokaku and Taiho were sunk along with most of the IJN CVEs. Junyo was damaged to such a degree by a submarine torpedo as to be out of the war thereafter.



It was adequate by the end of the war as far as reliability goes. I think they pretty much abandoned trying to kill ships using the magnetic fuse and mostly relied on the contact fuse to get the job done. This lessened the effect of the warhead but they sill did enough damage. I don't think anyone really had a reliable magnetic device anyways. But am speaking with very little actual knowledge on this subject and defer to my superiors here..[;)]




Lokasenna -> RE: 21 inch MK14 torpedo (4/17/2014 6:10:00 PM)


quote:

ORIGINAL: AW1Steve


quote:

ORIGINAL: Terminus


quote:

ORIGINAL: AW1Steve


quote:

ORIGINAL: Terminus

The Kongo was sunk by Mk 18 torpedoes. THEY'RE NOT EVEN IN THIS BROKEN PoS GAME!



Back pain getting to you T?


I was being sarcastic. The Mk 14 remained the primary sub-launched torpedo until the end of the war; it's proper that it's the device being used in the game.



Actually , so was I. We REALLY need to come up with a Sarcasm smiley. [8|]


On other forums I've used, we just had a designated Sarcasm Font Color. Like Red.

Gee, I sure do love the Yankees!!




Bullwinkle58 -> RE: 21 inch MK14 torpedo (4/17/2014 6:47:41 PM)

quote:

ORIGINAL: Lokasenna


quote:

ORIGINAL: AW1Steve


quote:

ORIGINAL: Terminus


quote:

ORIGINAL: AW1Steve


quote:

ORIGINAL: Terminus

The Kongo was sunk by Mk 18 torpedoes. THEY'RE NOT EVEN IN THIS BROKEN PoS GAME!



Back pain getting to you T?


I was being sarcastic. The Mk 14 remained the primary sub-launched torpedo until the end of the war; it's proper that it's the device being used in the game.



Actually , so was I. We REALLY need to come up with a Sarcasm smiley. [8|]


On other forums I've used, we just had a designated Sarcasm Font Color. Like Red.

Gee, I sure do love the Yankees!!


Spit. (NOT in red. [:)])




Bullwinkle58 -> RE: 21 inch MK14 torpedo (4/17/2014 6:50:55 PM)

quote:

ORIGINAL: Terminus


quote:

ORIGINAL: AW1Steve


quote:

ORIGINAL: Terminus

The Kongo was sunk by Mk 18 torpedoes. THEY'RE NOT EVEN IN THIS BROKEN PoS GAME!



Back pain getting to you T?


I was being sarcastic. The Mk 14 remained the primary sub-launched torpedo until the end of the war; it's proper that it's the device being used in the game.


About a third of torpedoes shot by USN subs in the war were Mk 18s. From mid-1944 to the end I believe the ratio was much higher to average out. Mk14 was still probably half-ish in 1945, but it's not true that the Mk 18 was not in widespread use and effective.

In terms of the game I don't see any way where the Mk18's advantages would matter in the engine. No-bubbles isn't a thing is the algorithm, and on-board maintenance is not modeled.




jmalter -> RE: 21 inch MK14 torpedo (4/17/2014 7:19:39 PM)

quote:

ORIGINAL: Bullwinkle58
In terms of the game I don't see any way where the Mk18's advantages would matter in the engine. No-bubbles isn't a thing is the algorithm, and on-board maintenance is not modeled.

Individual torps should accumulate sys, float & engine damage. Not to mention fires! Captain's skills and crew experience would factor into torp maintenance.
/red

Didn't subs usually carry a mix of electric & steam-powered torps? If a modder was sufficiently OCD, he could change some of the tubes in each sub to carry the Mk18 during one of the upgrades.




czert2 -> RE: 21 inch MK14 torpedo (4/17/2014 8:21:25 PM)


quote:

ORIGINAL: Terminus

The Kongo was sunk by Mk 18 torpedoes. THEY'RE NOT EVEN IN THIS BROKEN PoS GAME!


they were not worth of adding ?




Bullwinkle58 -> RE: 21 inch MK14 torpedo (4/17/2014 9:19:10 PM)


quote:

ORIGINAL: jmalter
Didn't subs usually carry a mix of electric & steam-powered torps? If a modder was sufficiently OCD, he could change some of the tubes in each sub to carry the Mk18 during one of the upgrades.


Yeah, a mix. I don't know if it was a set ratio, and if it was it was probably up to the squadron commander. The sub force was pretty local. I'd bet the main factor was just whatever the tender had right then. As lines and subases moved forward the ordnance had to catch up. If you were drawing at Saipan in February 1945 you took what they had. I also imagine sub COs' wishes were listened to a lot. The Mk14 had a lot of fans, and not just among the TMs who could drink the fuel.




AW1Steve -> RE: 21 inch MK14 torpedo (4/17/2014 9:43:22 PM)


quote:

ORIGINAL: Bullwinkle58


quote:

ORIGINAL: jmalter
Didn't subs usually carry a mix of electric & steam-powered torps? If a modder was sufficiently OCD, he could change some of the tubes in each sub to carry the Mk18 during one of the upgrades.


Yeah, a mix. I don't know if it was a set ratio, and if it was it was probably up to the squadron commander. The sub force was pretty local. I'd bet the main factor was just whatever the tender had right then. As lines and subases moved forward the ordnance had to catch up. If you were drawing at Saipan in February 1945 you took what they had. I also imagine sub COs' wishes were listened to a lot. The Mk14 had a lot of fans, and not just among the TMs who could drink the fuel.



Hence the term "torpedo juice". Literally. It also explains why cans of fruit juice were drunk more by submariners then other sailors. [:D] So Moose...What's "Otto-fuel" taste like? [:D][&:]




Bullwinkle58 -> RE: 21 inch MK14 torpedo (4/17/2014 10:10:21 PM)

quote:

ORIGINAL: AW1Steve


quote:

ORIGINAL: Bullwinkle58


quote:

ORIGINAL: jmalter
Didn't subs usually carry a mix of electric & steam-powered torps? If a modder was sufficiently OCD, he could change some of the tubes in each sub to carry the Mk18 during one of the upgrades.


Yeah, a mix. I don't know if it was a set ratio, and if it was it was probably up to the squadron commander. The sub force was pretty local. I'd bet the main factor was just whatever the tender had right then. As lines and subases moved forward the ordnance had to catch up. If you were drawing at Saipan in February 1945 you took what they had. I also imagine sub COs' wishes were listened to a lot. The Mk14 had a lot of fans, and not just among the TMs who could drink the fuel.



Hence the term "torpedo juice". Literally. It also explains why cans of fruit juice were drunk more by submariners then other sailors. [:D] So Moose...What's "Otto-fuel" taste like? [:D][&:]


Ah, good, like . . .. ACK! (Thud)

My boat was commissioned in 1964 and had tubes with starting latch guides so Mk 14s could be shot. There was also a small fuel make-up tank, on the starboard forward bulkhead as I recall in my mind's eye. About the size of a big propane tank as for a gas grill. It had been empty for at least fifteen years, but nevertheless the Weaps sometimes opened the drain valve just to be sure.

More than you'd ever want to know about the Mk14 here. They really could write manuals in those days.

http://hnsa.org/doc/torpedo/index.htm




spence -> RE: 21 inch MK14 torpedo (4/17/2014 10:44:56 PM)

quote:

In terms of the game I don't see any way where the Mk18's advantages would matter in the engine. No-bubbles isn't a thing is the algorithm, and on-board maintenance is not modeled.


Perhaps a modest increase in the accuracy could be incorporated to model the bubbleless torpedo to simulate it relative lack of visibility. Of course it's not really in the game so I suppose that possibility is moot anyways.





wdolson -> RE: 21 inch MK14 torpedo (4/17/2014 11:06:26 PM)

The USN also started using Torpex by late 43 which increased the explosive blast of the torpedoes by about 50%.

Bill




msieving1 -> RE: 21 inch MK14 torpedo (4/18/2014 12:26:00 AM)


quote:

ORIGINAL: Terminus


quote:

ORIGINAL: AW1Steve


quote:

ORIGINAL: Terminus

The Kongo was sunk by Mk 18 torpedoes. THEY'RE NOT EVEN IN THIS BROKEN PoS GAME!



Back pain getting to you T?


I was being sarcastic. The Mk 14 remained the primary sub-launched torpedo until the end of the war; it's proper that it's the device being used in the game.


60% of sub launched torpedoes in 1945 were Mk 18s.




jmalter -> RE: 21 inch MK14 torpedo (4/18/2014 3:15:19 AM)

quote:

ORIGINAL: msieving1
60% of sub launched torpedoes in 1945 were Mk 18s.

Well I'm def'nitely not a modder, but since subs are now modelled w/ pairs of tubes, it would be simple (albeit tedious) to change one pair of tubes to the Mk 18 in mid-war, and another pair in a late-war upgrade. Appropriate changes could be made by introducing new torp devices as needed, to reflect the increased power of the torpex warhead.

I've always thought it wasn't quite right that when the Mk 14 torpedo is upgraded, that that at-sea subs immediately take advantage w/o having to RTB to exchange their old-model ammo for the newer more effective fish.




Feltan -> RE: 21 inch MK14 torpedo (4/18/2014 11:56:39 AM)


quote:

ORIGINAL: jmalter

quote:

ORIGINAL: msieving1
60% of sub launched torpedoes in 1945 were Mk 18s.

Well I'm def'nitely not a modder, but since subs are now modelled w/ pairs of tubes, it would be simple (albeit tedious) to change one pair of tubes to the Mk 18 in mid-war, and another pair in a late-war upgrade. Appropriate changes could be made by introducing new torp devices as needed, to reflect the increased power of the torpex warhead.

I've always thought it wasn't quite right that when the Mk 14 torpedo is upgraded, that that at-sea subs immediately take advantage w/o having to RTB to exchange their old-model ammo for the newer more effective fish.



So, from a modeling point-of-view on the scale of WITP-AE it doesn't bother me. When did the subs at sea get their last re-load of new torpedoes? What's to say that they weren't given new and improved torpedoes as part of their last re-load?

If this transition was modeled more "accurately", you'd see a transition period of what? Maybe 10 days to 2 weeks? In game, all the subs would head to the barn on the designated day all over the Pacific to grab the new torpedoes that have magically restocked all ports and AS ships in theater and magically become available to detonate on a given day? That's more accurate?

I think you'd feel better about it if you consider that magic day the end of the process of distribution and re-loading rather then the first day they are available at a naval depot on the West coast.

Regards,
Feltan




Bullwinkle58 -> RE: 21 inch MK14 torpedo (4/18/2014 1:13:54 PM)

quote:

ORIGINAL: Feltan


quote:

ORIGINAL: jmalter

quote:

ORIGINAL: msieving1
60% of sub launched torpedoes in 1945 were Mk 18s.

Well I'm def'nitely not a modder, but since subs are now modelled w/ pairs of tubes, it would be simple (albeit tedious) to change one pair of tubes to the Mk 18 in mid-war, and another pair in a late-war upgrade. Appropriate changes could be made by introducing new torp devices as needed, to reflect the increased power of the torpex warhead.

I've always thought it wasn't quite right that when the Mk 14 torpedo is upgraded, that that at-sea subs immediately take advantage w/o having to RTB to exchange their old-model ammo for the newer more effective fish.



So, from a modeling point-of-view on the scale of WITP-AE it doesn't bother me. When did the subs at sea get their last re-load of new torpedoes? What's to say that they weren't given new and improved torpedoes as part of their last re-load?

If this transition was modeled more "accurately", you'd see a transition period of what? Maybe 10 days to 2 weeks? In game, all the subs would head to the barn on the designated day all over the Pacific to grab the new torpedoes that have magically restocked all ports and AS ships in theater and magically become available to detonate on a given day? That's more accurate?

I think you'd feel better about it if you consider that magic day the end of the process of distribution and re-loading rather then the first day they are available at a naval depot on the West coast.

Regards,
Feltan


It's harder than this and a case of players needing to just chill out and take the abstractions of the game in stride.

The rule in Section 6.4.2.1 says that in January 1943 ALL torpedoes with a dud rate greater than 49 have their rate reduced by 20. (Not TO 20; one could only wish!)

The editor sez that the MK 13 aerial torpedo used by carrier TBs has a dud rate of 50. Ponder that.

How would your average AFB feel about having to pull every carrier into a major fleet base, say Pearl or larger, in January 1943 to swap out fish? Kind of disturbs a lot of plans.

Submarine warfare in the game is MASSIVLEY ahistorical. I've said that for years. No R&R periods, dense-pack boats repaired of major structural damage in a matter of days, no ability to choose how many fish to spend on low-mix targets, no ability to do multiple attacks on the same TF with one boat in one phase. (This is a huge difference from history.) Many other factors including crew rotations and training granularity, not modeled. In comparison the dud rate is minor.

I'm not aware of any Allied player who has ever come close to historical numbers with his subs. Few Japan players would play if that were the case. (Eight
aircraft carriers sunk by subs? Insane!)

And yet, and yet . . . It all works very well. It's balanced against the middle range of performance. Subs are useful, they're dangerous, sometimes they pack a huge punch, they can never be ignored. But they aren't the war-deciders they were in RL against the Japanese economy. IF they were the whole underpinning of the game would have to be re-cast. Victory conditions to begin and go from there.

So them getting "healed" in January while at sea is a flyspeck issue. If a player had to drive home and then back out it would just be another level of micro-management that adds nothing to strategy and tactics. In RL there was no such "Great Healing." By January 1943 Mk14 performance was all over the board, driven by individual COs who risked their careers and commands to get into their fish once they left on patrol and "fix" them locally. Also some squadrons did "helpful preventative maintenance" on the front lines in direct violation of BuOrd. It happened. If a boat's fish were at 80% dud rates in December 1942 it was because the CO was either an idiot or a coward or both. But the game needs a cut off date for the code and January works OK.

But don't for a minute think it reflects history.




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