Calculation for designing a wrecking crane

Closed - This job posting has been filled.

Job Description

this is a problem for designing wrecking crane. there are 2 scenarios, one is when ball is held and one where its at maximum. i calculated the loads and now need to find the following 1. the stress on each member to decide on the the thickness 3rd dimention 2. bucking on each member. note material used is steel

Open Attachment