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The simulation presents the impact of the 85mm BR-365K projectile against the side of the Tiger II's turret, when turned slightly to the side. -The 85mm was incapable of penetrating the frontal armour of the tank when engaged head on. While the 85mm was powerful, Soviet WWII armour piercing projectiles were relatively soft compared to their contemporaries, with this round featuring a nose hardness upto ~450BHN and a soft base: In contrast, many other shells of the time had a nose hardness of 600-650BHN. The Tiger II's 80mm Rolled Homogenous Armour (RHA) turret side features a vertical angle of ~20° and a horizontal one of ~69° (when viewed from the front). The simulated impact is at a compound angle of 40°, meaning the vehicle/turret has been turned ~34° to the side. 40°=cos^-1(cos(20°)*cos(69°-34°)). Amazing thumbnail artwork from: Piotr Skałecki
