How abt soaking the copper weave in a solution of baking soda and lemon
juice. It works to clean corroded car cables.
I've also used on some braided wire using a small wire brush to scrub it
in. Rinse well with water when done.
Ray,
N6VR / W7YA
On Thu, Mar 11, 2021, 8:25 PM K9MA <k9ma@sdellington.us> wrote:
> You can clean corroded copper with muriatic (hydrochloric) acid,
> available at any hardware store. I keep a small plastic bottle of it
> handy, and just dip the end of the wire in it, then rinse with water.
> Just be very careful with the stuff. Also, don't leave the original
> container anywhere near anything that can corrode. If the cap doesn't
> seal absolutely perfectly, it the vapor will destroy all metal in the
> vicinity. I store mine outside in a covered plastic bucket.
>
> 73,
> Scott K9MA
>
> On 3/11/2021 5:15 PM, Dave Sublette wrote:
> > Thanks to your excellent advice, all the rope and pulleys for rebuilding
> > the 80M foursquare are on order and being shipped. Jim, K9YC mentioned
> his
> > experience with Flexweave and got me to thinking. My 80 meter dipoles in
> > the foursquare array are made from #13 Flexweave. Now I didn't have
> > breaking problems like Jim did because the weak link in my system was the
> > center insulators. The wires and sometimes the feedline pulled out.
> They
> > were the Batwing things that TenTec sold. So I finally made some from
> > cutting boards and replaced them.
> >
> > My problem with the Flexweave is trying to rework connections on the old
> > wire. That wire grows copper oxide unlike any other wire I have ever
> > seen. It is the dickens to clean it off so it will take solder or crimp
> > connections.
> >
> > So I am considering just cutting new dipoles fromTHHN, probably #14.
> There
> > won't be nearly the stress that K9YC experiences since they are hanging
> > vertically. There is probably no more than 150 pounds of tension on the
> > top half as it is pulled out from the tower and the tower doesn't move in
> > the wind like a tree would.
> >
> > So I think the stretch problem would be minimum and the strength ought to
> > be adequate for my use.
> >
> > Anyone see anything wrong with that?
> >
> > 73,
> >
> > Dave, K4TO
> > _______________________________________________
> >
> >
> >
> > _______________________________________________
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> > TowerTalk@contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk
>
>
> --
> Scott K9MA
>
> k9ma@sdellington.us
>
> _______________________________________________
>
>
>
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