Originally Posted by
Grebe
ALL of which to say is the major- most common installation of fasteners in aerospace is to produce close or interference fit to ensure fasteners are uniformly loaded in SHEAR.
Agree and matches my experience.
Originally Posted by
lc3m4n23
The actual cause of the pickle fork cracks is because of the the holes being over drilled by around 6 thousands.
6 thou? How could such a gross oversize get through? I'd expect an interference fit and 6 thou would have been obvious. Even close fit is on 5-15 ten thou and 6 thou should have been clearly too loose when installing.