Quote:
Originally Posted by chuckfourth
Hi Marek
Here are the widths of the cruciform platforms the guns are mounted on and the gun heights,
88 width of platform 2.3, height 2.36
105 width of platform 2.45, height 2.9
128 width of platform 2.5, height 3.55
So compared with the 88 the 128 gun pit needs to have 20cm bigger radius.
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Post necromancy, yay!
Actually, according to Germans, not 20 but 50cm radius, that is 1m diameter.
Just for illustration and as food for thoughts, here are two bits from Osprey Fortress 023 - German field Fortifications 1939 - 1945. Schematics of gun pits along with description of various fighting positions and with dimensions of gun pits:


And 3.7cm FlaK gun pit (concrete):

