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PlasmaKrab said:
What for a figure do you exactly use for 12.7 penetration?
Is 20mm a conventional asserted value, and if so, for which ammo type?
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12.7mm is rated with PenHE 1 generally in the game ...
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Besides, front slope is 10mm @80.5°, which makes 60.59mm of virtual steel, plus the bouncing effect, looks fine.
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Front upper hull. Lower hull is about 30° ... .
According to eye witnessess, bouncing effects on front attacks must have been high.
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Now as good as I can recall from the various sources about this thing (pics, models, 3D...), the other plates you mention are at least inclined by some 45°, which gives 19.5mm on the lower front hull and 30mm on front turret, assuming the max armor thickness is on the front.
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Inclined? The whole things is pretty much a big, paper-thin box, albeit slightly tapered!
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Additionally, if you take out 1 armor point you will end up with it being only 7.62mm AP proof, am I right?
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And that's what I'm talking about - it is reported to have been penerated by 12.7mm
from the side o.c..
So "1" at the side would be the right way to go, with 2-3 for the turret and front.
"Not surprisingly, the PT-76 is very lightly armoured, at no point exceeding 1/2in (14mm), and its side armour can be penetrated by shell fragments and even .50 calibre AP machine-gun rounds. PT-76s used in Vietnam were very vulnerable to air strikes." http://www.gruntonline.com/Order%20o...VN_armour6.htm