A 25-ton truck-mounted hydraulic crane is being used on a construction site. The maximum horizontal distance from the center of rotation of the crane to the hoist line of the crane when lifting a load of 9,000 lb will be 40 ft. Use Table 17.2 crane data to select the minimum length boom required to safely hoist the load
Load: | 9,000 lb |
Radius: | 40 ft |
Using Table 17.2 go vertically down the Load radius column to the 40 ft radius. Then move horizontally to the right locating the first load value equal to or greater then 9,000 lb. From that load value cell, move vertically up the column to determine the boom length that corresponds.
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