Quote:
I don't know, but it always seemed to me that one inch of steel armor = one armor unit
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It's actually 1 unit of armor unit = 1 cm of armor.
The Formula to get Armor Thickness with slope taken into account is:
(i'll provide it in MS Excel format to make it easier for youa ll).
Armor Plate Effectiveness=(Thickness / (COS(Degrees from Vertical*0.017453293))
What this means is:
14mm of armor at 50 deg from vertical = 24mm
50mm of Armor at 55 deg from vertical = 87mm
and so on...