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[TowerTalk] Ginpole for 20 foot sections

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Subject: [TowerTalk] Ginpole for 20 foot sections
From: (Stan or Patricia Griffiths)
Date: Wed, 13 Jun 2001 11:58:01 -0700 wrote:

>         How is this 2:1 mechanical advantage achieved?
>         Scenario 1 -  End of rope is attached to the frame
>         of the top pulley.  Rope runs down to Second pulley
>         with hook at load.  Rope then runs up and through
>         the TOP pulley.  Force in each vertical run of the
>         rope is 150 lbs.  450 lbs on top hook as proposed.
>         This is NOT how a gin pole is configured.

Well, if I wanted a 2:1 mechanical advantage on my gin pole and the reduction 
in gin
pole load it provides, this is EXACTLY how I would configure my gin pole.


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