[TowerTalk] pulley advice

KD7JYK DM09 kd7jyk at earthlink.net
Tue Mar 9 17:30:22 EST 2021


> I need to replace pulleys used to haul up 80 meter dipole ends.  I need to
> find sources for good quality pulleys, perhaps stainless steel types used
> on sailboats?

When I was doing some mast/tower work, I came across "fixed eye" blocks 
here's an example:

https://www.e-rigging.com/quarter-inch-hd-fixed-eye-snatch-block

I found the tolerances tight, and you have to remove the clevis pin to 
loop the cable/rope through, so it can't jump out, and I've never had 
any pinches.

I don't recall seeing these at Lowe's, or Home Depot, I bought mine from 
either Copeland Lumber, or a farm supply shop.

I also came across "yarding blocks", they are VERY rugged, here's an 
example:

https://www.westechrigging.com/block-import-toggle-pin-5.html

I don't have a yarding block, I found the fixed-eye block adequate, and 
in looking at the pics, I'd replace the easy-to-remove quick disconnect 
pin with a clevis pin and clip for added safety, in case something hits it.

The cost isn't that high, considering, and I'd personally get something 
in the 4" plus range for ease of pulling, and for a few bucks more, 
ratings go up by the ton, so for a few tens of dollars, one can pull up 
a couple hundreds pounds of equipment with 5 tons of overhead for safety.

Kurt






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