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RE: Japanese destroyer upgrades - 3/21/2017 12:14:24 AM   
Grfin Zeppelin


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quote:

ORIGINAL: wolfe69

Type 95 DC are useless lol, not really they are good. Depending on the ship crew's experience and the captain. I manage to sink a American sub in deep water and very nasty in shallow waters as well. As long you have good detection levels, crew's experience and the right hardware, you will do something nasty.

Oh sure, they get results once in a blue moon but I would really not call the good.

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RE: Japanese destroyer upgrades - 3/21/2017 9:08:08 AM   
obvert


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Been reading with interest here. Love the different thoughts about how to use the IJN DDs best.

I've done both, upgrading and not. Still not sure what the effects are as the Allies are just tough all around in the endgame.

My main question here is how much do the air radars accumulate? If the CVs have them, the cruisers have them, the BBs have them, do the DDs also need them? We're never talking about sending the DDs out alone hoping they'll vector CAP in to their defence, right? This is for the KB mostly, which could be loaded with 20+ radar sets once they're available, especially since the late war CVs all come with a bunch. Maybe SCTFs with LR CAP, but those could still have 4-5.

The late CVs have 4 x air radar sets!!

Many of the BBs have 2 x air radar, and the cruisers have one too.

So if you have (for example) 4 x Unryu class CV, 1 x Kongo, 1 x Tone and 8 DDs (not upgraded) you still have 19 radar sets. Are more than that needed?




Attachment (1)

< Message edited by obvert -- 3/21/2017 12:19:26 PM >


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Post #: 32
RE: Japanese destroyer upgrades - 3/21/2017 11:29:35 AM   
Barb


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I would say that every radar set available is good.
Given their range they contribute to the success of detecting incoming air raid. With the "Effect" (actually chance to detect) of Japanese radars in range of 40-60% this actually mean that about half of the devices would actually detect the raid. The more detection the higher detection level. The greater the distance, the more time to get CAP in place.

It is another case with allied radar sets working with 80-100% effectiveness. But even there, the more the better.

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RE: Japanese destroyer upgrades - 3/21/2017 12:32:30 PM   
obvert


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quote:

ORIGINAL: Barb

I would say that every radar set available is good.
Given their range they contribute to the success of detecting incoming air raid. With the "Effect" (actually chance to detect) of Japanese radars in range of 40-60% this actually mean that about half of the devices would actually detect the raid. The more detection the higher detection level. The greater the distance, the more time to get CAP in place.

It is another case with allied radar sets working with 80-100% effectiveness. But even there, the more the better.


Are we sure that once you get over 10 sets it will really make a big difference?

On the ground if I have 3-4 sets operational that makes a huge difference. If 20 sets on the KB detect at even 40%, the odds are great that the raid will be detected 100% of the time. The odds are also that it will be detected at full range if 1 of the 8 detecting sets see them at full detection range.

So the question for me would be do the other "lost" positives of having the 33% more 12.7mm DP guns outweigh any benefit from radar when in the most likely formation to need that radar in the late game? I'd wonder if the extra 12-16 12.7mm DP guns would make more of a difference in defending an air strike than the extra radars on those DDs. Isn't that effectively two CLAA worth of the most effective AA you lose doing the conversions?

The DC racks going to Type 2 is critical against the late war USN subs, though so that is also a factor. You'd want the Akitsukis and Yugumos there with Type 2 DCs for sure even if you didn't convert Kageros, Fubukis, etc.



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Post #: 34
RE: Japanese destroyer upgrades - 3/21/2017 12:32:34 PM   
Lowpe


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I think Barb has got this correct. Obvert can always do a test in our new game...strip his carrier TF's of half their radar sets and we will see what happens.

Just read Obvert's post and you are thinking binary: the radar works or it doesn't. I think it is my experience that extra radar sets are additive to the warning time and not on/off.

Of course I could be all wrong.





< Message edited by Lowpe -- 3/21/2017 12:35:54 PM >

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Post #: 35
RE: Japanese destroyer upgrades - 3/21/2017 12:35:23 PM   
obvert


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quote:

ORIGINAL: Lowpe

I think Barb has got this correct. Obvert can always do a test in our new game...strip his carrier TF's of half their radar sets and we will see what happens.



As with CAP and sweep stuff, conjecture is really fun, but unless we see it in tests do we really know?

I'll make sure to do that with my CVs. Really I will. So come late 43 just roll the KB into range and we'll see what happens!

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Post #: 36
RE: Japanese destroyer upgrades - 3/21/2017 9:18:22 PM   
rustysi


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Joined: 2/21/2012
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quote:

Been reading with interest here. Love the different thoughts about how to use the IJN DDs best.

I've done both, upgrading and not. Still not sure what the effects are as the Allies are just tough all around in the endgame.

My main question here is how much do the air radars accumulate? If the CVs have them, the cruisers have them, the BBs have them, do the DDs also need them? We're never talking about sending the DDs out alone hoping they'll vector CAP in to their defence, right? This is for the KB mostly, which could be loaded with 20+ radar sets once they're available, especially since the late war CVs all come with a bunch. Maybe SCTFs with LR CAP, but those could still have 4-5.

The late CVs have 4 x air radar sets!!

Many of the BBs have 2 x air radar, and the cruisers have one too.

So if you have (for example) 4 x Unryu class CV, 1 x Kongo, 1 x Tone and 8 DDs (not upgraded) you still have 19 radar sets. Are more than that needed?


When it comes to the point I'm trying to make here you are comparing apples to oranges. In addition to the type 2 DC's the radar that is added is a surface radar, range of 37k IIRC. What I'm pointing out here is that this should help raise the DL on subs, thus increasing the likelihood of an attack. It is these radar that I'm interested in acquiring, not more air search radar. Although my thoughts are the more the merrier, especially when it comes to Japan. I just know that even if there is a remote possibility that a dozen radar sets will fail to detect a raid it'll happen to me. That dark cloud has been there all my life.

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(in reply to obvert)
Post #: 37
RE: Japanese destroyer upgrades - 3/23/2017 7:30:44 AM   
obvert


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quote:

ORIGINAL: rustysi

quote:

Been reading with interest here. Love the different thoughts about how to use the IJN DDs best.

I've done both, upgrading and not. Still not sure what the effects are as the Allies are just tough all around in the endgame.

My main question here is how much do the air radars accumulate? If the CVs have them, the cruisers have them, the BBs have them, do the DDs also need them? We're never talking about sending the DDs out alone hoping they'll vector CAP in to their defence, right? This is for the KB mostly, which could be loaded with 20+ radar sets once they're available, especially since the late war CVs all come with a bunch. Maybe SCTFs with LR CAP, but those could still have 4-5.

The late CVs have 4 x air radar sets!!

Many of the BBs have 2 x air radar, and the cruisers have one too.

So if you have (for example) 4 x Unryu class CV, 1 x Kongo, 1 x Tone and 8 DDs (not upgraded) you still have 19 radar sets. Are more than that needed?


When it comes to the point I'm trying to make here you are comparing apples to oranges. In addition to the type 2 DC's the radar that is added is a surface radar, range of 37k IIRC. What I'm pointing out here is that this should help raise the DL on subs, thus increasing the likelihood of an attack. It is these radar that I'm interested in acquiring, not more air search radar. Although my thoughts are the more the merrier, especially when it comes to Japan. I just know that even if there is a remote possibility that a dozen radar sets will fail to detect a raid it'll happen to me. That dark cloud has been there all my life.


I hear you , and the sub detection is surely better with the Type 2 and radar. Not apples to oranges, just that apples, oranges and bananas are all available, and you only have a certain amount of cash, so which are you going to buy!


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"Success is the ability to go from one failure to another with no loss of enthusiasm." - Winston Churchill

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Post #: 38
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