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EU Questions & Answers

Дата: 19.01.2012 17:02:30
View PostCelestia, on 19 January 2012 - 03:15 PM, said: ok ok, were mixing up our angles here
Here are my tests:
Patton VS IS-3 Sideskirts http://www.mediafire...6b587uaf5q2bija
T34 vs IS-3 SideSkirts http://www.mediafire...e1a3w3y6m9j1wlf
T30 vs IS-3 sideskirts http://www.mediafire...snm3ncfr4gd2lfg
Results:
Patton
218mm Average penetration
Angle Required to Penetrate = 25 Degree's
90/cos(25)+30 = 130mm Total
218-30=188mm, 100/188*100 = ~50% loss of penetrating power lost after penetrating skirt armor
(Calculating theoretical vs actual penetrating power after penetration of side-skirt)
T34
248mm Average penetration
Angle Required to penetrate 35-40 degree's degree's
90/cos(40)+30= 147mm total Armor
248-30=218, 117/218*100 = ~55% penetration power lost after side skirt
T30
276mm average penetration
Angle required to penetrate: 45-50 degree's
90/cos(50)+30= 170mm Total Armor
276-30=246, 140/246*100 = ~55% loss of penetrating power lost after side skirt
___________
Don't get me wrong, This is some pretty serious blocking power....
If the introduction of side skirt armor becomes available as equipment, then there are going to be a crap load of issues being able to penetrate such armor at most angles, for all guns.
Also, these calculations are rough and do not include normalization, or the effective armor thickness of the side skirt at an angle
roughly 20% inaccuracy because of varying penetrating perimeters and vague calculations

Overlord: These calculations are plainly incorrect (based on what I have see in the 2nd replay with T34).
See IS-3 armour layout here: http://army.lv/image...7&s=631&pid=547
Sides are sloped as they are now, and you positioning your tank that way manually increase the impact angle to the nearly bouncing one (horizontal+vertical), which increases the effective armour to max thickness possible.

Quote Angle Required to penetrate 35-40 degree's degree's

Overlord: No, not 35-40, but 70+ (minus normalization)

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