Fastener Measurement
One technical challenge in achieving stealth is that the aircraft surface, often referred to as the outer mold line (OML), must be “smooth.” Attaching the panels that make up the OML, however, requires lots of fasteners – tens of thousands per plane! Each fastener needs to be installed, filled, and painted. This process is conceptually similar to filling screw holes in drywall, except that almost all OML surfaces […]