Winch -- pulley on tree -- back to same truck = doubled
force.
Winch -- pulley on tree -- back to pulley on same truck --
and back to tree = triple force (hope the tree holds ;-).
Just count the number of cables the load is hanging on.
arthur boeck, Austria
VW, Steyr, GAZ, LuAZ.
>GAZ 51 4x2 fire truck (olive green) for sale,
needs restor., $ 950,--
> Henry,
> If you go winch to pulley on tree to truck there is no mechanical advantage just a
> change of direction.
> If you go winch to pulley on truck to tree you will double the mechanical
> advantage or halve the power required by the winch.
> Buzz
>
> On Wed, 15 Sep 1999 17:46:16 -0700, you wrote:
> >Hi all,
> >... , I ended up a little confused. Is there
> >mechanical advantage gained by running the winch cable from my M35 out to a
> >tree, through a pulley, and back to the truck? Or, do I need to go: winch,
> >to pulley on tree, back to pulley on truck, and back to tree, to gain
> >mechanical advantage? ...
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