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Japanese AAA vs USN AAA - small test

 
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Japanese AAA vs USN AAA - small test - 5/4/2010 9:16:01 PM   
Jaroen


Posts: 169
Joined: 6/23/2008
From: Amsterdam
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I'm not good at rigging an easy, yet adequate, test with WitP but I gave it a shot.

Of course this is about checking if my game experience with the newly introduced pre-CAP flak is anything true to my expectations. Generally speaking I'd expect that US naval AAA is more effective than Japanese naval AAA. This difference in effectivity is progressively stronger in favour of the USN with the war progressing.

Not knowing how to set up a fresh testing environment I used the Coral Sea scenario and changed all aircraft devices to have no effect or being duds. This allowed for CAP flying triggering the pre-CAP flak but not doing any damage. In addition both AM and PM attacks were resolved because all carriers were still flying the surviving planes. On the Japanese side I had 2 CV's (Zuikaku + Shokaku), 2 CA's (Myoko + Haguro) and 6 DD's (Shiratsuyu, Shigure, Yugure, Ariyake, Akebono + Ushio) totalling an AA strength of 3046 points. On the USN side I had 2 CV's (Lexington + Yorktown), 1 CA (Chacago) and 6 DD's (Anderson, Hammann, Morris, Sims, Dewey + Aylwin) for a total AA strength of 3050. The Japanese had 81 attacking planes (42 x Val + 39 x Kate) and the USN 88 (64 x SBD + 24 x TBD) since I used some VS parts to actually do some scouting. Plane altitudes were similar for Jap and USN (bombers 12k, torpedo 8k).

I'm afraid I ended up with only 5 results I have confidence in. The rest returned exactly the same results so I dropped all those. Aparently the game engine somehow returns te same results from the one save I had so I needed to change some settings before running a turn. Very time consuming and I don't know how to be more efficient with this. Sometimes I changed a fleet move but still found the same results so I gave up and just use the 5 good results I have.

What were those results?!
To start with, pre-CAP flak was present every attack, i.e. 10 out of 10.
On average the Japanese had 47,8 planes hit by AAA out of 81 (59%).
On average the USN had 66,4 planes hit by AAA out of 88 (75%).
That is counting all hits from AM and PM together including killed and damaged planes taken from the air unit information screens. About 1/3 of those hits are kills the rest are write-offs or damaged-only planes. I find these difference in hits big enough to be significant and don't think doing 95 more results will change it much. But, that's only talk if it's not put to the test.

Because I was thinking damage would influence attack efficiency as well I counted the bomb/torpedo hits too. Those were all duds so I counted them from the combat replay with FOW delivering a lot of uncertainty. But I wanted to have at least something to go with. On average the Japanese hit 14,4 times and the USN hit 11,2 times per turn (AM + PM). Not fully significant but pretty close.

Conclusions?!
Not much data to go with really but there is a trend and it's supporting my experience that pre-CAP flak is NOT making Japanese AAA weaker than the USN AAA. Compared with the results of Puhis (no pre-CAP flak) it also shows a stronger difference in AAA effect, with the pre-CAP flak adding more strength and extra hits. In addition I do see a noteworthy difference in the number of bomb/torpedo hits produced. I think that the Japanese AAA efficiency is a very important reason for that all other things being about equal. But just those averages from 5 results is perhaps not strong enough a basis to finalize the question. Definately not scientifically but it's good enough for me! It supports my in-game findings and seems to be experienced the same way by many others. In my opinion therefore it would be good to look into the design to see if the AAA effectiveness could be balanced more towards the USN.

Final remarks.
There are still unknowns like the way the game engine is running AAA (is the AA rating all that matters???) and bomb/torpedo targeting. But in the end I do like the lethality of the AAA such as the USN is suffering with the pre-CAP flak. Add in the extra damage/kills by CAP and it's getting very close to historical possible endings I think. It hurts . . . and it should hurt at least as much for the Japanese.
Post #: 1
RE: Japanese AAA vs USN AAA - small test - 5/4/2010 11:34:23 PM   
Bradley7735


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When I did my tests, I made a blank scenario with just two bases and the two task forces. I had them start 1 hex away from each other so I could run tests from turn 1. That eliminated the "same result from the same save" issue.

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RE: Japanese AAA vs USN AAA - small test - 5/5/2010 8:41:28 AM   
castor troy


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thanks for the test Jaroen. Now we´ve got one thread supporting the "it´s all perfectly well" people and another one for the other side.

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RE: Japanese AAA vs USN AAA - small test - 5/5/2010 1:31:04 PM   
Jaroen


Posts: 169
Joined: 6/23/2008
From: Amsterdam
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quote:

ORIGINAL: Bradley7735

When I did my tests, I made a blank scenario with just two bases and the two task forces. I had them start 1 hex away from each other so I could run tests from turn 1. That eliminated the "same result from the same save" issue.



Ah, that's the smart thing to do!
Thanks, that will help doing some other tests in the future.
Good knowing it also helps preventing those returning same results . . .

(in reply to Bradley7735)
Post #: 4
RE: Japanese AAA vs USN AAA - small test - 5/5/2010 1:40:50 PM   
Jaroen


Posts: 169
Joined: 6/23/2008
From: Amsterdam
Status: offline

quote:

ORIGINAL: castor troy

thanks for the test Jaroen. Now we´ve got one thread supporting the "it´s all perfectly well" people and another one for the other side.



You're welcome! But I'm not on one specific side and welcome opinions from LoBaron, Treespider, etc. and of course TheElf.
I'm afraid it's actually still not enough data to decide anything but it might help to start some real testing.

Aside from the AAA effects the CAP effects need to be tested too. Not an easy thing to do I think and aside from interpreting the results it is also hard to think of the best way to put possible solutions into the game. You don't want to over react with a solution and create a sling effect with changes. That way you continue changing without ever having the right balance. I'm all in favour of being conservative when putting changes into effect.

(in reply to castor troy)
Post #: 5
RE: Japanese AAA vs USN AAA - small test - 5/5/2010 1:45:18 PM   
Smeulders

 

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Joined: 8/9/2009
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Interesting test, could you do it again, but now without the CAP ? The difference between your results and those by Puhis are an indication that Pre-CAP Flak is making the Japanese stronger, but the difference may also be due to other differences in test setup.

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Post #: 6
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