Re: [MV] Winches and snatch blocks
Joe Foley (redmenaced@yahoo.com)
Thu, 9 Sep 1999 06:29:09 -0700 (PDT)
--- DDoyle9570@aol.com wrote:
> In a message dated 99-09-08 23:46:31 EDT, you write:
>
> << When speaking of snatch blocks to aid pulling
> power keep in mind that if =
> the
> pulley is stationary, there is no T.M.A.
> (Theoretical Mechanical =
> Advantage)
> merely a change of direction.
>
> True IF pulley is attached to say a tree, and end of
> wire rope is attached to
> say a second tree, BUT if both ends of wire rope
> return to vehicle winch is
> attached to, then you will have mechanical
> advantage.
+++++++++++++
This will work even better if the dead end of the cable is attached to
another vehicle instead of the winch truck, that way the dead weight on
the pulling end is doubled.
Joe F.
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