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Question about armor / pen


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thebeetle #1 Posted May 22 2011 - 21:08

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When looking at the stats on tanks & barrels you see things like:
Armor: 100/88/45

And on barrels penetration: 100/75/45

What do the dashes mean? I could assume maybe on a tank it's like front/side/back armor - but that doesn't seem to translate to penetration.

Can anyone clarify?

Lert #2 Posted May 22 2011 - 21:18

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The armor values are for front, side and back. The penetration values are for AP shells, Premium shells and HE shells.

thebeetle #3 Posted May 22 2011 - 21:23

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makes sense thanks

Krakti #4 Posted May 22 2011 - 21:27

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and take note turret armor aswell. Same principle applies there too.

If you didnt already know, say your gun has 100 armor pen. Enemy armor you are about to shoot has 90. If you are shooting them straight on, say the side, your chances of penetrating are high. If they are slanted say 40 degrees or so, its very slim. Tanks armor is usually sloped/angled and is harder to penetrate, even if you guns penetration is higher than the armor. Wiki covers this in good detail.

Just a heads up if you didnt already know, and its always best to aim the front of your tank towards the enemy as your armor is thickest there.

Mistislav #5 Posted May 22 2011 - 21:37

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Additionally, the armor values listed are not at all uniform. In fact, they can be somewhat misleading. Even if the armor is listed at 100/60/80, for example, there may be a viewport or something on the front that only has half the 100mm armor or less. These weak spots tend to be logical. Furthermore, individual plates within a facing may have different amounts of armor. I can't remember an example of the top of my head, but armor that has a sloped portion and a straight portion may have different thicknesses in addition to different slopes.

How to tell where to hit? There are probably some forum threads (and skin sets) showing weak spots, but experience mixed with observation can also do the trick.

Edit: Also, note that the penetration value of a shell goes down over distance, down to about 80% if I recall. So closer shots are closer to the listed value. This does not apply, however, to HE shells.

Kritdonkulus #6 Posted May 23 2011 - 17:25

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View Postthebeetle, on May 22 2011 - 21:08, said:

When looking at the stats on tanks & barrels you see things like:
Armor: 100/88/45

And on barrels penetration: 100/75/45

What do the dashes mean? I could assume maybe on a tank it's like front/side/back armor - but that doesn't seem to translate to penetration.

Can anyone clarify?

While the armor of front/side/back are correct the penetration can be misleader. The easiest way to tell(and honestly the only way) is to look below at the ammunition type that the gun is used. The first ammo type corresponds with the first value, second with the second, third with the third.

For example(A look at the russian 107mm zis-6)

Characteristics:

107 Calibur(mm)
7.06 Rate of Fire(rounds per minute)
167/219/54 Average Penetration(Note the listed penetration is an average(duh) the penetration range is between 25% more or less).
300/300/360 Average Damage
0.39 Accuracy(Means your shell will deviate .39m every 100m)
3 Aiming Time(sec) Basically how long it takes to fully zero in your reticle

Compatible Vehicles:
KV, KV-3

Compatible Turrets:
Mod. Kv-220, KV-2, KV-3

Compatible Shells:
Armor Piercing, AP Composite-Riged, High Explosives

As you can see the calibur of the gun is 107mm or 10.7cm(silly germans). Your rate of fire is as you guessed it how many rounds you can send down range in a minute. Now as you can see you have 3 numbers for average penetration, they correspond with the bottom compatible shells. The first value belongs to armor piercing as it is listed first, the second to APCR(Armor piercing composit-rigid), and the third to High Explosives. Any time you see 3 dashes look for 3 compatible shells.

Also you may sometimes find 2 High explosive rounds in the compatible shells, there merely means one is one you can buy with credits the other with gold. The gold one features an enlarged splash radius.




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