RE: Betty Bombers (Full Version)

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Feinder -> RE: Betty Bombers (1/19/2006 5:05:20 PM)

Now I see the miscommunication. I read your post to mean that 500# bombs were the most effective anti-shipping weapon (including torpedos).

Ships that can shrug off a 500# bomb = (your list)
Ships that can shrug off a torpedo = none.

But I see you were comparing between 500# and 1000# bombs.

You gotta realize tho, that in level-bombing attacks vs. ships, the entire bomb-load is resolved as a "stick". You don't get 8 rolls to hit with 8 bombs. You get one roll to hit, whether you're carrying 2 bombs or 12. Originally, they -were- separate hit rolls, but it was changed to allow only one hit (for the better I feel). But that being the case, 4x 1000# bombs, or 8x 500# bombs, you're still only gonna get one roll against one target. So it would actually be better to carry the 1000# bombs (since quantity doesn't matter).

Related to this discussion, but not meant to fan it:

What's the point of skip bombing? You're most likely to hit the belt armor of a ship, which means the only ships you're gonna hurt with 500 pounders are DDs and smaller. And if the code still treats it as a stick (only on hit possible), I can't see the reason. You're taking more flak, a morale hit, and more likely to hit thicker armor. Now if it allows you pickle them out one at a time, allowing for more attacks, that would possibley make it worth while. But otherwise, I can't see the point.

-F-




Oznoyng -> RE: Betty Bombers (1/19/2006 5:21:57 PM)


quote:

ORIGINAL: Mr.Frag

quote:

The key thing (ignored) by the proponents of bigger bombs is that bigger bombs reduce your chances to hit by 50%.


They do not actually ... thats why the big bomb boys want 'em so bad ... not only are the devestating, but they have higher hit rates.

Had the code gone the other way (ie original feature instead of added as a after the fact bonus), the accuracy of them would have been dealt with differently.

Ahhh... Did not know that. I just looked at the editor and saw that the accuracy of the 1k was 2x the accuracy of the 1k. Why would one bomb be 2x accuracy over another?




Big B -> RE: Betty Bombers (1/19/2006 5:34:08 PM)


quote:

ORIGINAL: Oznoyng


quote:

ORIGINAL: Mr.Frag

quote:

The key thing (ignored) by the proponents of bigger bombs is that bigger bombs reduce your chances to hit by 50%.


They do not actually ... thats why the big bomb boys want 'em so bad ... not only are the devestating, but they have higher hit rates.

Had the code gone the other way (ie original feature instead of added as a after the fact bonus), the accuracy of them would have been dealt with differently.

Ahhh... Did not know that. I just looked at the editor and saw that the accuracy of the 1k was 2x the accuracy of the 1k. Why would one bomb be 2x accuracy over another?


As a proponent of 1000lb bombs for anti-shipping let me be clear -

I don't want a higher hit rate - per say.

All I want is for my medium and heavy bombers to be able to carry ordinance that can penatrate deck armor on CAs and BBs - since ITRW they could carry such ordinance.

The fact that the game already allows them to do so is fine -

I only object to the fact that G3Ms and G4Ms get their dreadded torpedoes near automatically, while the US player will seldom get his under those same conditions. That's all.[;)]

B




Oznoyng -> RE: Betty Bombers (1/19/2006 5:53:42 PM)

quote:

ORIGINAL: Feinder

Now I see the miscommunication. I read your post to mean that 500# bombs were the most effective anti-shipping weapon (including torpedos).

Ships that can shrug off a 500# bomb = (your list)
Ships that can shrug off a torpedo = none.

But I see you were comparing between 500# and 1000# bombs.

You gotta realize tho, that in level-bombing attacks vs. ships, the entire bomb-load is resolved as a "stick". You don't get 8 rolls to hit with 8 bombs. You get one roll to hit, whether you're carrying 2 bombs or 12. Originally, they -were- separate hit rolls, but it was changed to allow only one hit (for the better I feel). But that being the case, 4x 1000# bombs, or 8x 500# bombs, you're still only gonna get one roll against one target. So it would actually be better to carry the 1000# bombs (since quantity doesn't matter).

I do not agree. Quantity does matter. It is an exercise in probability. Each additional chance you get to hit means that your chance of obtaining a hit is higher. Let's say that a Accuracy (in the editor) means the chances in 1000 that a hit will be obtained. Now, my chances of obtaining a hit with a string of 2x1000 lb bombs is 1 - (950/1000)^2 = 9.75%. My chances of hitting with a 4x500 lb bomb string is 1 - (975/100)^4 = 18.5 %. Even though only one "hit" is recorded, my chances of recording a hit are 2 times as great with the smaller bomb, even accounting for accuracy. The reason is that doubling my opportunities to hit makes a hit far more likely. Take a flight of 24 bombers attacking a TF. If each 4x500lb bomber has an 18.5% chance to hit what it aims at, the expected result will be 4-5 ships damaged. With a 2x1000 bombload, the expected number of hits will be 2. If all my targets are BB's and CA's, then I will take the 2x1k load. However, there are perhaps 20 ships that would benefit from a 2x1k load as compared to hundreds for the 4x500 load.

My question to you is: which do you want, a higher likelihood of hitting, or a higher amount of damage if you hit. My opinion is against the IJN, I want the hit. I've seen how badly a single 500 lber can hurt an IJN ship. I'd much rather do some damage (and slow the ship too), than whiff on some and pound a few. The key for me is that the ones I pound with 1k's are not that 2x more likely to sink than the ones I hit with 500 lbers.

quote:

ORIGINAL: Feinder
What's the point of skip bombing? You're most likely to hit the belt armor of a ship, which means the only ships you're gonna hurt with 500 pounders are DDs and smaller. And if the code still treats it as a stick (only on hit possible), I can't see the reason. You're taking more flak, a morale hit, and more likely to hit thicker armor. Now if it allows you pickle them out one at a time, allowing for more attacks, that would possibley make it worth while. But otherwise, I can't see the point.

Because skip bombing is far more effective than level bombing. Accuracy estimates for LBA from altitude was about 1%. Skip bombing accuracy was estimated at 72%... The problem, as you point out, is that skip bombing is not an attack to be conducted against BB's or CA's anyway. If you think Torpedo planes get slaughtered by AA, consider that the torpedo planes (IJN at least ) could conduct their attacks from a range of 1500 yards, while skip bombing required closing to less than 350 feet. An additional 10 seconds of AA fire under adverse conditions (the "size" of the target at 1500 yards is 1/5th the "size" at 100 yards and is therefore far easier to hit) means few bombers attacking a CA or BB would make it close enough to launch their bombs. Furthermore, the bombs were set with a 4-5 second fuse. Those that did not go through the armor by themselves "bounced off and sank below the ship before exploding. That sounds bad until you consider that it put the explosion below the waterline like a torpedo. In some cases, the angle of attack could put the explosion below the ship, where no armor existed at all.




Feinder -> RE: Betty Bombers (1/19/2006 6:02:01 PM)

quote:

, my chances of obtaining a hit with a string of 2x1000 lb bombs is 1 - (950/1000)^2 = 9.75%.


I'm glad we both know our stats. What you're saying is essentially
"A bomber gets to roll for each bomb, until a hit is obtained"

What I -believe- the way it is coded is
"A bomber gets ONE roll for the enitre bombload, using accuracy of a single bomb, to see if a hit is obtained."

You are correct that, if you get to roll for each bomb UNTIL a hit is obtained, then yes, quantity matters.

However, if it's one roll, for the entire bombload, then the accuracy of the individual bomb is the key (and frankly, I had no idea that 1000# bombs had a higher accuracy rating than 500# bombs, and I can't imaging why).

Regarding skip bombing - I was actually talking about within the mechanics of WitP. I understand it's usfulness historically (and they could and did pickle out the bombs one at a time, even the B-17s, and I would not have believed it had I not read it in multiple sources). But I was asking about skip boming in WitP. If skip bombing is just a stick also, I can't see the point.

-F-




Oznoyng -> RE: Betty Bombers (1/19/2006 6:04:16 PM)

quote:

ORIGINAL: Big B
All I want is for my medium and heavy bombers to be able to carry ordinance that can penatrate deck armor on CAs and BBs - since ITRW they could carry such ordinance.

ITRW, they carried varied ordinance depending upon availability. From what I read, the B-25 carried 3x1k or 2x1.6k. I think the solution is probably to adjust the standard load for the aircraft to 3x1k.




Oznoyng -> RE: Betty Bombers (1/19/2006 6:13:45 PM)


quote:

ORIGINAL: Feinder

However, if it's one roll, for the entire bombload, then the accuracy of the individual bomb is the key (and frankly, I had no idea that 1000# bombs had a higher accuracy rating than 500# bombs, and I can't imaging why).

I could not either until I considered that the number of bombs involved. Consider 3 cases for resolution:

1. Accuracy of individual bomb is used for the whole stick.
I have 10 bombs, but only 1 can hit and I use the accuracy of the a single bomb to see if they hit (1 or nothing). In that case, small bombs would almost never hit compared to big bombs (which is inherently illogical, but you get the idea).
Big advantage to big bombs.

2. Accuracy of the individual bomb is used, but only one roll takes place. In other words, 4x500 is 4x25 accuracy, or 100 accuracy and a single roll is made to determine hits. If the string hits, the damage is resolved as a single bomb hitting. Advantage big bombs (because accuracy is the same 2x1000 = 2x50 = 100 accuracy).

3. Each bomb is resolved individually. (case described above by me) Advantage to small bombs due to higher number of hits.

It depends upon the details of how they are resolved. I guess the only thing is to ask Mike Wood. If case 1 or 2 is actually used, then accuracy of bigger bombs needs to be toned down.




Mr.Frag -> RE: Betty Bombers (1/19/2006 6:53:18 PM)

quote:

3. Each bomb is resolved individually. (case described above by me) Advantage to small bombs due to higher number of hits.


This is why the accuracy is higher ... the smaller bombs are sloppy so to speak, wider pattern hence lower chance *per* bomb of a hit.

That is my understanding of how it works.




Big B -> RE: Betty Bombers (1/19/2006 8:01:02 PM)


quote:

ORIGINAL: Oznoyng

quote:

ORIGINAL: Big B
All I want is for my medium and heavy bombers to be able to carry ordinance that can penatrate deck armor on CAs and BBs - since ITRW they could carry such ordinance.

ITRW, they carried varied ordinance depending upon availability. From what I read, the B-25 carried 3x1k or 2x1.6k. I think the solution is probably to adjust the standard load for the aircraft to 3x1k.


I think you are right.
Since Mr.Frag said earlier that 2x500lbs do the same damge as 1x 1000lb on land bombardment - that may be the way to keep land bombardment the same as before - while getting a better payload for anti-shipping...

B




Mr.Frag -> RE: Betty Bombers (1/19/2006 10:26:37 PM)

If you want to increase payload, reduce the accuracy rate.

Game was balanced with 1000 lb bombs for Midway type results based on them being dropped from dive bombers.

To suddenly take that dive bomber rate and apply across the board to level bombing as well is rather rough.




spence -> RE: Betty Bombers (1/20/2006 12:07:22 AM)

I just performed an experiment in an AI game with skip bombing. I set a group of B-26s to 100 feet and they attacked a much reduced KB. 33 bombers got through the CAP but every single one of them attacked the CA escorts. Is that how it is supposed to be (coding for target selection)? At least some were carrying 1000 lbers BTW cause they got one 1000 lb hit on a CA.




Big B -> RE: Betty Bombers (1/20/2006 12:09:45 AM)


quote:

ORIGINAL: Mr.Frag

If you want to increase payload, reduce the accuracy rate.

Game was balanced with 1000 lb bombs for Midway type results based on them being dropped from dive bombers.

To suddenly take that dive bomber rate and apply across the board to level bombing as well is rather rough.


Hmm, never had any intention of that (improving accuracy of Level bombing vs ships)

But if I did lower the accuracy of the 1000lbr - would that then also lower the accuracy of DBs?

Would a better solution be to define a new device for 1000lbr for level bombers in the Data base, and leave the current one alone for DBs?




spence -> RE: Betty Bombers (1/20/2006 12:28:11 AM)

When calculating the probability of a hit, which is more important:
1) the antiship weapon itself (bomb, torpedo, etc)?
2) the launching platform?

IMHO, in the early war period where the pilot experience was still high for both the IJN level bombers and their carrier-borne bretheren in Kates I'd say the Kates produced more hits with torpedos overall and as a percentage of attacking aircraft. The Bettys at Rabaul didn't accomplish much of anything against the invasion force at Guadalcanal. I don't think attrition had degraded their experience level at the beginning of the campaign though I'm not sure. Pretty sure they're in the 80s experience in the UV scenario that starts in 8/42 (did play as the Japanese in that one - even won once).




Mr.Frag -> RE: Betty Bombers (1/20/2006 3:09:10 AM)

quote:

Would a better solution be to define a new device for 1000lbr for level bombers in the Data base, and leave the current one alone for DBs?


You can't ... as this stuff was retrofitted into the game after release, it is done via device slot. This is one of those cases where you are dealing with a special slot ... you could change it to point to another slot and it would still drop the one in this slot.

It's the same with Japan's switching to the 800 kg ap ... it's tied to whatever is in that slot, not the actual weapon.




Big B -> RE: Betty Bombers (1/20/2006 4:18:32 AM)


quote:

ORIGINAL: Mr.Frag

quote:

Would a better solution be to define a new device for 1000lbr for level bombers in the Data base, and leave the current one alone for DBs?


You can't ... as this stuff was retrofitted into the game after release, it is done via device slot. This is one of those cases where you are dealing with a special slot ... you could change it to point to another slot and it would still drop the one in this slot.

It's the same with Japan's switching to the 800 kg ap ... it's tied to whatever is in that slot, not the actual weapon.

Ahh shoot!

So there is no way around this one. Darn




dtravel -> RE: Betty Bombers (1/20/2006 4:25:23 AM)

The issue is that the game was designed to have aircraft carry only one kind of "bomb". Which is easier to program but doesn't match the reality that bombers greatly varied their payloads based on the specific target.

Item 1,830,537 for the WITP2 list: greater flexibility in aircraft loadouts. [:'(]




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