Political demand for a modern 16-inch battleship helped steer the post-treaty design away from smaller 15-inch-gun alternatives. The new weapon incorporated conclusions drawn from tests on German ships, but later operating experience showed that those trials had produced a false positive. The gun was usable, yet it did not deliver everything its designers expected from the test evidence. Royal Navy engineers applied the corrected understanding to the later 14-inch gun, making this a concise lesson in how feedback from service must refine weapons development.
Notable Point · 59:35-1:01:08
Nelson's 16-inch gun and the danger of a false test result
The Nelson-class gun programme shows how apparently persuasive trials can mislead designers until sustained service reveals what the test actually measured.