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A table that is a limit.
Also known as: Rated capacity chart, Lifting capacity chart
The chart on a crane giving its safe lifting capacity at each configuration and radius.
Gives the crane's rated lifting capacity for each combination of radius, boom length and configuration.
Contexts: Technical drawing
Capacity falls sharply with radius, so the same crane that lifts a heavy load close in cannot lift a fraction of it at reach — the chart exists because the intuition about a machine's strength is wrong in a specific direction.
Contexts: Technical drawing
A statement of the machine's rating and not a permission to lift; nothing here is a safe system of work.
Not a lifting plan or a permission to lift.
Contexts: Technical drawing
A ruled table fixed in the cab and reproduced in the manual, giving capacity in rows of radius against columns of boom length and configuration.