Date: 12/31/1969 Views: 7601
Date: 12/31/1969 Views: 3980
Date: 12/31/1969 Views: 4342
Date: 08/23/2023 Views: 698266
Dihedral of wings causes a slight angle to the sewing thread that is parallel with ground, the center drill counter bore allows sewing thread to exit .0145" hole with out being pushed down. Y13-08-03