Aluminum Box Beam Load Bearing Properties

[Ron Nossaman]

> Who can tell me about the load bearing properties of a 1.5" Aluminum box
> beam with 1/4" sides.  Supported at either end of a 4' beam how much
> deflection will occur per lb in the center of the beam and at what point
> does it reach failure.  
> 
> David Love

I can't tell you specifically, but I can make a list of most 
of what you need to know to find out. The first thing you need 
is the MOE of the material. 2024 SO is considerably different 
in load bearing capacity and maliability from 7075 T6. 
What'cha building?
Ron N