Description
The lever crane is a machine that uses a ratcheting system to rotate in only one direction while providing leverage to raise the load. This is different from a simple pulley, which uses a single rope to lift the weight.
The leverage crane is developed from Leonardo's sketchbook concepts, in this case for a heavy-lift crane system that uses a ratcheting system to rotate in only one direction while providing leverage to raise the load with a fraction of the force needed with a simple pulley.
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