Figure UG-29.1
Figure UG-29.1
(OP)
Hi everyone!
Are the UG-29(b) exemptions of un-supported stifferner rings applicable to Internal Stiffener rings, External Stiffner Rings or both?
Thanks
Are the UG-29(b) exemptions of un-supported stifferner rings applicable to Internal Stiffener rings, External Stiffner Rings or both?
Thanks




