Challenger 2 MBT - Technical data and Discussion (Part 2)

WW does not mean the target is side on. It stands for Whittaker Weighted.

Whittaker Weighted means you calculate the SSKP for every angle around the target tank. Once you know how likely you are to kill the tank at any given angle, you then use Whittaker’s Directional Probability Variation to weight the SSKP at each angle, depending on how likely you are to attack a tank at that angle, and arrive at a final overall SSKP value.

Basically a guy called JM Whittaker did a bunch of statistical analysis and worked out the percentage chance of a tank being hit at any given angle during combat. He then developed a mathematical method to calculate how likely you are to kill a tank if you hit it.

To put it really simply: the probability of killing a tank head on is low(er), but the probability of the target tank being head on to you in combat is quite high; so the lower SSPK values for the head-on sector receive quite a high weighting into the overall SSKP. Meanwhile, the chance of killing a tank if you hit it in the rear is very high, but the odds of actually being in a position to shoot a tank in the rear in combat are very low (say a few percent); so these very high SSKPs for the rear sector are included in the overall number, but they are weighted as having a very low of occurring, so have less impact on the overall SSKP than the more likely angles in the front sector.

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Hits to the engine compartment of a tank’s side projection are unlikely to be considered a single-shot kill, so the probability is lower than it seems.

The engine compartment takes up almost half of the side area, so everything becomes logical.


62.5% of the side area seems the most reasonable considering the engine area.

In real life taking out the engine is conventionally considered a kill. As are many other things that in wt would not be.

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Where did you get this information? The tank will certainly be immobilized and likely abandoned by its crew, but it won’t be killed by a single shot.

Such a tank will most likely remain combat-ready and pose a threat to your tank.

So, if you don’t have confirmation of your claims, it’s definitely not fact.

Or a kill. The destruction of the engine is a mobility kill by definition and as a consequence a mission kill.

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Just think, on many occasions after losing their engine, the crew bailed out and detonated their own tank… there are documents about this, feel free to look them up. Someone recently posted one regarding an Abrams. If it happens in contested territory, the vehicle is considered lost.

This is obvious, but it doesn’t quite fit the definition of a “single shot kill.”

In my opinion, this definition means the shell penetrates the fighting compartment, which almost completely guarantees that the enemy tank won’t be able to fire back.

A shot to the engine compartment, however, rarely means the tank will immediately lose combat capability.

I wrote about this, but it clearly doesn’t look like a “single shot kill,” because the enemy tank still poses a threat to yours and can destroy it.

I already said that this term most likely refers to a penetration that renders the tank incapacitated, i.e., unable to fire. This result is highly likely only achieved by penetrating the fighting compartment, not the engine compartment.

It’s a single shot, which kills. What other definition might there be?

I told you. A kill is an instant loss of a tank’s combat capability.

A tank without an engine, even if its crew abandons it, can continue fighting for some time.

It can still destroy your tank or allied forces.

Therefore, in my opinion, an instant kill should be defined as a penetration of the fighting compartment, eliminating the crew, damaging key electronics, or hitting the ammunition compartment.

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That’s the difference between a M-kill and a K-kill.

  • Mission kill can be destroyed optics, engine, tracks, etc.

  • Catastrophic kill is usually the vehicle left entirely deformed.

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Well, now we’re getting into semantics. Both are “kills” achieved with a “single shot” (which is what metal meant), but the vehicle’s final state changes (which is what Ralin meant).

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@Smin1080p_WT Is there currently any updates to the ready rack on the Chally 2? Community Bug Reporting System

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the majority of the discussion has been semantics and opinion and i have no idea why it keeps getting extended

If that is the case i apologise, i have been quite ill all day and have not really had the time to check on anything here

Dissent neutralised.
Anyway I’m just tired of it. Gave up hoping that the challenger 2s would be made similarly competitive to the other tanks at their BR or at least moved down until they were but it’s never going to happen.
Best we are going to get is a bunch of Abrams and call it a day.

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At this rate, after following the development of chally 2 in game for literally years, this is looking sadly more likely. There have been 2 times where they changed the armour in the dev server and it felt good, both were reverted before live despite positive feedback. Any substantial positive change, likely wont come and if it does, it wont last. Most changes that are made are half cooked, or off point (the trunnion “fix” for example) like they look at the bug report, how it should be done and think “nah, we know better.” and end up doing it their own way anyway which ends up in the incorrect result or something objectively worse meaning another bug report is made for the same issue (something we have been asked not to do), only to be ignored, shut down or have the same thing happen again.

Some bug reports have even been completely refused based on artificial roadblocks put in place specifically for this vehicle (the CHARM-3 APFSDS bug reports are a good example; Gaijin asking for classified testing materials in order to complete the report or no action will be taken despite Abrams and Leopard not having this requirement). We will be one of the only nations in the game with our own home made MBT’s not worthy of “Top Tier” and instead, that goes to other nations like Australia to carry us. Should it be like that? Of course not; all they need to do is fix the chally 2, but they wont (as proven time and time again by their lack of interest in bringing them up to standard with other nations MBT’s, and introducing actual significant fixes). Why bother when they can give us another copy and paste Leopard or Abrams, that already fit the meta quite well and requires next to no development time in comparison.

I’m just kinda tired of it and despite this tank being my faveroute outside of the game, I’ve basically given up hope that it’ll ever see any significant fixes.

I want them to be top tier worthy, but that wont happen unless they get the fixes they need to firepower, mobility and armour, all of which are lacking in their own aspects.

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As you can see in the comments above, it’s not just Gaijin but also players asking for official documentation, data they know we can’t provide because it’s classified as a state secret. Estimates regarding armor thickness and materials, even those made by industry experts, only matter to some; to others, they’re just empty words. Sometimes I wish the British Ministry would decide to wage psychological warfare by releasing signed, completely fabricated documents claiming absurdly high armor values ​​and performance specs. I’d love to see what Gaijin would do then XD

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I have some news regarding the Challenger 2 ready rack report/s:

Originally we were told these would be reviewed before the current patch was released, however, according to Smin that is likely not going to be the case.

Looking on the bright side, they haven’t been denied, but we are going to have to wait a while longer for gaijin to properly look over them. So basically, nothing has changed yet.

Hopefully they will be reviewed before the patch after this one.

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Woah woah woah… the Chieftain was not a trainwreck. I’ll grant you the powerpack was, but that was because of glorious NATO STANAG. Which everyone else proceeded to ignore and even we realised “at the point at which that STANAG has a purpose we’re probably somewhere between ‘tactical’ and ‘strategic’ nuclear exchange.”

Bear in mind that both it and the Conqueror had some of the best firecontrol equipment going for their respective times.

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