When I use customers drawings, I like to get them in a DXF file. A lot of the time I find there is a dimension that I need that is not allready marked. It saves time calling the customer when you can get your own information. On a PDF file you cannot get your own dimensions. You need to be able...
Well I think zvivik is correct about how to calculate the bending moment. But I must admit we design and build cranes and I have never seen it done that way. My crane inspectors would probably write it up also. Although that is at the discretion of the inspector. The best way I have found to...