What is the purpose of a joggle in aircraft construction?

A joggle is an intentional offset or bend in a sheet metal component used in aircraft construction. Its primary purpose is to create clearance for components that may need additional space for proper installation or operation. This is particularly important in areas where various parts of the aircraft come together, such as around bulkheads, ribs, or other structural elements where overlapping components might interfere.

By incorporating joggles, engineers can ensure that assemblies fit together correctly without compromising the integrity or functionality of the aircraft. This design feature helps in aligning parts, enhancing the ease of assembly, and enabling the proper operation of mechanisms and systems within the aircraft.

While joggles may have incidental effects on aesthetics or weight, their primary function is to create necessary clearance, making it easier to accommodate other structural elements or systems without adverse effects on the aircraft's performance.