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Question:

how to calculate load capacity of crane?

how to calculate load capacity of crane?

Answer:

must be sble to left one in half times weight
Very complicated - strength of boom and tower, angle of boom and thus distance of load from base, size and position of counterweight, location of support arms. A specific crane may have different capacities depending on whether an extension boom is used (reaching higher and farther out with a reduced load)

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