What occurs due to boom deflection when a load is applied to a crane?

When a load is applied to a crane, boom deflection occurs as a result of the weight and forces acting on the boom. This deflection is the bending or sagging of the boom that happens due to the load's weight. As the boom deflects under load, its effective length changes, causing the distance from the crane's pivot point to the load to become greater. This results in an increase in the radius from the pivot point to where the load is actually being lifted.

Understanding this phenomenon is important for riggers and operators, as it impacts the crane's stability and the calculations used to determine the safe lifting capacity. It is essential for ensuring that loads are lifted safely within the crane's limits, especially when dealing with large or heavy items. Proper knowledge of boom deflection can prevent potential hazards such as tipping or overloading the crane.