The standard destroyer 4.7-inch mounting has limited elevation, but the larger cruiser hull could support a modified installation. A rough geometric estimate raises the gun about an inch and a half and lets the breech travel lower. That is expected to produce roughly 82 degrees of elevation against an 85-degree high-angle ideal. The estimate suggests a development opportunity, with the proposed mounting still needing to prove that it works.
Notable Point · 54:03-55:16
Making the 4.7-inch gun more dual-purpose
Raising the 4.7-inch gun within a modified mounting could give the rebuilt cruiser about 82 degrees of elevation for high-angle fire.