How to determine pulley system's total mechanical advantage and time to raise a load.?
Apr 12, 2010 by Penn70 | Posted in Engineering
I am using a a trailer winch and a single pulley. Pulley is attached to ceiling. I must use the winch and pulley to raise the load approximately 12'. The winch has a mechanical advantage of 8.68. The load is 50kg. Since there are 2 ropes does this pulley
mechanical advantage of pulley system is derived from counting the number of ropes between the pulleys. In your case, 2. So multiplying the 8.68 by 2 sounds correct. And it would take twice as long to lift than without the pulley system.
| Apr 12, 2010
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