4: Buckling Problem - Design of an air cylinder rod (ref: h4-p3) The figure below shows an off-loading station at the end of a paper-rolling machine.The finished paper rolls are 0.9 m OD by 0.22 m ID by 3.23 m long and have a density of 984 kg/m3 . The rolls are transferred from the machine conveyor (not shown) to the forklift truck by the V- linkage of the off-load station which is rotated through 90