The relationship between boom angle, load radius, and lifting capacity in a crane or boom truck is a critical factor in safe operation. These three parameters are inversely related; changing one affects the others. The boom angle is the angle between the crane's boom and the horizontal. Load radius is the horizontal distance from the crane's center of rotation to the center of the load. Lifting capacity is the maximum weight the crane can safely lift at a given boom angle and load radius. As the boom angle increases (beco....
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