Pensacola's ten-gun battery imposed top-weight and logistics costs

Pensacola was conceived as a fast scout cruiser, yet the design also pursued the largest 8-inch battery then fitted to an American cruiser. To carry ten guns, the heavier triple turrets were superfired above twin mounts, raising weight and giving the ship two turret types to maintain. Royal Navy studies preferred one turret type, whether five twins or three triples, to avoid mixed maintenance demands. Four twin turrets would have saved weight and simplified the American design while remaining adequate for a reconnaissance ship. The ships also remained below the nominal 10,000-ton ceiling, leaving displacement that could have supported a larger and better-balanced hull.