Annotation of standard text SAE AS84D :
This SAE Aerospace Standard (AS) defines an involute with a 30° pressure angle and a full radius at the roots thus reducing the stress concentration in the area of the root.
SUBJECT TAXONOMY: Parts, Fasteners, Gas turbines, Hybrid engines, Jet engines, Tests and Testing
SUBFILE: Aerospace
TYPE OF DOCUMENT: Aerospace Standard
Stabilized: Feb 2014 