radius the maximum load is 72,000 divided by 20 ft. radius the maximum load is 72,000 divided by 12 ft. this is the maximum load radius with this load.Īt a 12 ft. Example of moment rating calculationsĪ crane with a max lift capacity of 10,000 lbs. The amount of weight to be lifted, includes all rigging used, including the travel block any chains or slings and the hook. This is a measurement from the center of the crane's rotation axis to the center of the load on a horizontal plane. Moment rating is a mathematical equation determined by the WEIGHT times the LOAD RADIUS. Understanding this is essential to getting you the crane you A cranes capacity at a particular load radius is determined by its moment rating. ![]() ![]() ![]() Liftmoore does not recommend purchasing a crane for use at its maximum lifting weight. How often will the lift be made? Maximum CapacityĪdvertised maximum capacity is a statement of the maximum lift capacity of the crane. How far out from the center of rotation is the load?ģ. The three most important factors that need to be known.Ģ.
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