If I understand correctly, you are hanging something on the bottom flange of a beam. Make sure you check the flange local bending and web local yielding of the supporting beam --- in addition to the overall capacity.
Hi Tobman,
Your problem is also very common to me; and I would suggest that you use 2x cantilever length as the unsupported length. My understanding is that the compression flange is very similar to a compression member as far as stability is concerned, and the side-sway of the free-end is...
