Interwar designers debated how far a gun should reach and how much fire it should deliver once aircraft entered its engagement zone. British expectations in confined, land-air-threatened waters encouraged quad, sextuple, and octuple pom-pom mountings that concentrated fire under one aiming crew. More numerous separate mounts could cover additional targets, but risked obstructed arcs and confused or overlapping fire. Surviving notes and articles suggest that designers considered a twelve-barrel mounting as a further extension for conversions or capital ships. This remains an inference rather than evidence of a completed system. The choice was inseparable from geography, threat density, crew organization, and the fleet's expected way of fighting.
Chapter · 23:37-30:41
Range, volume of fire, and mount layout create competing choices
British heavy multi-gun mounts and American use of more separate mounts traded concentrated fire against the ability to engage several targets.
2-Pounder GunsBofors 40 mmC Class CruisersFields Of FireFire ControlGun MountingsMediterranean TheatreMulti Target EngagementNaval Anti Aircraft WarfareNaval ArchitectureNaval DoctrineOctuple MountsPom Pom GunsQuadruple MountsSextuple MountsSouth China SeaTrans Pacific OperationsWarship ConversionWarship Design