An original proposal for eight six-inch guns became sixteen casemate weapons after the naval office misread a space-saving proposal, increasing ammunition, hoist, and weight demands. Their low positions were liable to wash out in heavy seas, undermining the surface-defence role used to justify them. Germany’s preference for separate low- and high-angle batteries multiplied mountings and weight instead of relying on dual-purpose guns. The 10.5 cm anti-aircraft battery could blast aircraft parked across the flight deck, and firing to port could interrupt launches when fighters were most urgently needed. Scharnhorst and Gneisenau provide the contrasting case: competent ships for their assigned role that could have supported an iterative development path. Graf Zeppelin’s armament suite shows how the requirement to fight cruisers instead produced weight and operational interference without reliable carrier self-defence.
Chapter · 35:51-41:46
Casemate guns and the cost of design creep
The carrier’s six-inch casemates and separate anti-aircraft batteries show how surface-combat requirements added weight while interfering with flight operations.