Quote:
Originally Posted by schnorchel
As we all know that from G model, PZIV was upgraded its front hull amour to 80mm. but I am curious that why its front turret amour is still merely 50mm till the and of war?
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That is a bit more complicated affair!
Let's look at origins of Pz IV Ausf. G. So Pz IV Ausf. F2 version was basically Pz IV Ausf. F1 armed with long barreled 75 mm gun. However Pz IV Ausf. F1 had 50 mm frontal armor everywhere (glacis, turret). Anyway Pz IV Ausf. F2 were produced between March and July 1942 only and in the meantime production switched to next version - Pz IV Ausf. G. Later Pz IV Ausf. G tanks were up-armored by removing 20 mm thick side armor and adding 30 mm applied frontal armor plate instead (to retain tank's weight at the same level) thus increasing its frontal
glacis only armor to 80 mm.
Pz IV Ausf. G turret still had 50 mm armor! That didn't change till end of war. Last Pz IV versions: Ausf. H and J had the same armor - one significant change was replacement of 50 mm (main plate) +30 mm (appliqué plate) glacis armor configuration with one homogeneous 80 mm thick glacis armor plate.