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[Towertalk] Ball bearings in pulleys

To: <towertalk@contesting.com>
Subject: [Towertalk] Ball bearings in pulleys
From: edge@clnk.com (Zac Smith)
Date: Thu, 28 Nov 2002 11:20:59 -0600
personally i like the McKissic bronze bushing blocks, virtually no
maintenence, and ive never had to replace one due to malfunction

Zac
----- Original Message -----
From: "Bob Smith" <na6t@na6t.com>
To: <towertalk@contesting.com>
Sent: Thursday, November 28, 2002 2:52 AM
Subject: Re: [Towertalk] Ball bearings in pulleys


> Probably the best lead about pulleys is to talk to a person that uses
> pulleys in everyday life.  I had A pulley system designed and built by a
> local aluminum and stainless steel fabricator that builds 60-100' steel
and
> aluminum boats for the fishing industry here in Fort Bragg, Calif.  He had
> a stock of pulleys of all sizes, all galvanized, all with bronze bearings
> and all sealed against the weather.  The highest pulley I have is at the
> top of  the mast.   I've got 20' of gal. tubing for the main mast, a
sleeve
> and 20' of thick wall aluminum tubing  with the pulley in a captured mount
> at the top.  This is where I mount the dipoles for 160 and 80
> meters.   They are pulled up with 3/8" rope.  The guarantee I got with the
> 'custom' job was that he would climb the mast and replace the pulley if it
> ever fails,, I'll go with that,,,
>
> Bob Smith
> A.R.S NA6T
> ARRL Life Member
> Fort Bragg, California   95437
>
> "On The Air-Conditioned Mendocino Coast, In REAL Northern California"
> No trees were destroyed in the sending of this message.
> However, a large number of electrons were terribly inconvenienced.
>
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