[TowerTalk] layover winch

[Jim Hoge]

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 Mike,

The perceived weight at the winch (with a single pulley) will be far greater than the weight of the tower because of the shallow angle of the layover cable when the tower is near horizontal. Block and tackle can reduce the load but you double the length of cable to spool out or take up for every pair of pulleys added.  I don't know how to calculate the changing load but it was quite obvious based on my exertion levels when cranking the winch to lay over or raise the 70' Triex tower I had.

be safe,
Jim W5QM



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