proppastie
New member
For manufacturing and weight considerations, (I do not want to bend .04 2024-t3) I am considering a built up spar c-channel web with separate riveted flanges as shown in the attached file. Shown is the compression top cap, web, flange, and flat caps. Rivets are not shown. Would anyone like to comment on the stress analysis of this. We say the bending is in the caps and shear is in the web. That .016 attach angle is not considered in the web or cap calculations (or rather it is not necessary to meet strength requirements). Needless to say I am not comfortable with this but would like to see where it might fail, and be able to calculate it if possible. Any help would be appreciated. The Y should be Z sorry. Reference to chapters in Bruhn would be a great help.
