In a message dated 6/12/01 11:45:50 PM Pacific Daylight Time,
w7ni@easystreet.com writes:
> A 3:1 mechanical advantage block and tackle system does, indeed, relieve
> about 1/3 of the load on the gin pole, in addition to reducing the number
of
> bodies required on the pull rope.
You sure? Isn't a hundred-pound load going to weigh 100 pounds no matter
how the block and tackle are set up? The load effort on the end of the rope
will be reduced but the dead weight of the load stays the same. You still
need a suitable ginpole.
Cheers, Steve K7LXC
Tower Tech
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