Re: [MV] winches, pulleys, leverage???????

CaptainGG@aol.com
Wed, 15 Sep 1999 21:21:29 EDT

Mechanical advantage is gained whenever two pulleys are moving toward each
other. Otherwise, there is just a change of direction of the cable or rope.
The example you give of your winch run through a pulley on a tree, then back
to the truck, gives a 2 to 1 mechanical advantage. If you went winch,
pulley, pulley, tree, as in your second example, you would have a 3 to 1
mechanical advantage. I would need to ask others on the list with more
expertise about how that would effect the rated capacity of the cable and
winch, but I believe you may exceed the safety margin.

Hope this is helpful

Gerry Gardner
1957 REO M35 (with winch)

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