[TowerTalk] Ginpole for 20 foot sections
Stan or Patricia Griffiths
w7ni@easystreet.com
Wed, 13 Jun 2001 11:58:01 -0700
n4kg@juno.com 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.
Stan
w7ni@easystreet.com
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