What defines the radius in crane operation?

The radius in crane operation is defined as the distance from the crane's center of rotation to the load's center of gravity. This measurement is crucial because it directly impacts the crane's stability and lifting capacity. When the radius increases, the load's leverage on the crane also increases, which can affect how much weight the crane can safely lift without tipping over.

Understanding this radius allows operators to make informed decisions about lifting operations, ensuring that they stay within the safe working limits of the crane. Properly calculating the radius helps in determining the load charts and assessing the crane's capability for specific lifting tasks, which is essential for both safety and efficiency in crane operation.