This is a repost from our consolidated armor model error collection over here:
I am posting it here in hopes of it garnering a bit more attention than it otherwise would, as WG tends to ignore this sort of thing unless it is being talked about. As near as we have been able to ascertain (myself and SireneRacker), this is not widely known or disseminated information, and multiple secondary source publications have repeatedly cited and re-cited the incorrect values, which is what has been represented ingame on both vessels. Thank you for taking the time to read this.
Scharnhorst and Gneisenau:
There are so many issues with these models, that it honestly defies description. In the interest of simplifying them, I have only taken into account issues which are directly relevant ingame (ignoring details such as armored rangefinders, etc…).
Keep in mind that these are merely what I have identified as “critical” errors.
The errors in the armor model for these two ships have been entirely compiled from a scan of the original armor scheme documentation, as well as the official Kriegsmarine immunity zone calculations in GKDS. 100. Both of these sources are, to the extent of my knowledge, entirely accurate and trustworthy.
All values have been lifted directly from these layouts, which will be made available below for your own inspection. All listed values are applicable to both vessels of the class (to the extent of my knowledge).
Section 1: Belt Armor Thickness and Arrangement.
The main belt between frames 32 and 166 should be 320 mm. Ingame it is modeled as 350 mm.
The medium belt between frames 10 and 208 should be 35 mm. Ingame it is modeled as 45 mm.
The medium belt should extend from frames 10 to 207. Ingame it ends at frames 32 and 166.
Section 2: Deck Armor Thickness and Arrangement.
The entirety of the primary deck armor (main armor deck) has been modeled in a grossly inaccurate manner, the details of which will be shown in full.
-The aforementioned missing extensions of the medium belt should connect with a 50 mm forward extension of the forecastle deck armor, which covers the entirety of the deck from frames 10 to 207. Ingame this deck also ends at frames 32 and 166.
-The machinery deck is split into two distinct areas: the inboard section, and the outboard section. These two areas are separated by a vertical 40 mm bulkhead which extends from the main armor deck, to the underside of the forecastle deck between frames 50 and 172.
The inboard armor deck over the machinery is 80 mm thick, extending from frame 55 to 180. At frames 55 and 150, this deck covers the magazines, increasing in thickness to 95 mm until frames 12 and 170 respectively. Ingame, the machinery deck is modeled as one piece with a thickness of 80 mm, the magazine deck 95 mm.
The outboard armor deck over both the machinery and magazines is 105 mm thick, between frame 32 and 166. This is not to be confused with the sloped armor deck, which is also 105 mm thick and “knuckles” downwards to meet the bottom edge of the main belt armor.
The extended main armor deck in front turrets “Anton” and “Caesar” between frames 162-166 and 32-40 respectively, are also 105 mm thick.
The magazine sloped decks between frames 32-55 and 150-66 are 105 mm. Ingame, these are modeled as 110 mm.
Sources: Scharnhorst class official drawings: "RM 20,1913 Allgemeine Typfragen fur Schlachtschiffe, Panzerschiffe und Kreuzer 10,02,1939 11,12,1939 Scharnhorst Gneisenau Gewichte abgerundete und zwischen beiden Schiffen" and "GKDS. 100: Unterlagen und Richtlinien zur Bestimmung der Hauptkampfentfernung und der Geschoßwahl Heft g Schlachtschiffe Gn Sch"
Source: Original link
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