I note some folks are going the extra mile with cathodic protection.
I wonder what a set of magnesium anodes would cost?
http://www.polyphaser.com/ppc_TD1009.aspx
73,
Joe
kk0sd
----- Original Message -----
From: "k0dan" <k0dan@comcast.net>
To: <towertalk@contesting.com>; "Pete Smith" <n4zr@contesting.com>
Sent: Monday, January 16, 2006 1:29 PM
Subject: Re: [TowerTalk] Screw Anchor Question
> I agree with this. If I was to do it all over again, in my environment and
> with my soil conditions, I'd have the anchor holes drilled and belled
(deep
> shaft, with ball cavity at end) and would pour concrete. I acknowledge
that
> others have had different soil conditons where concrete has been less
> satisfactory than auger anchors and/or where corrosion has not occured
over
> time. Wish I could claim the same, but that's history.
>
> 73
> Dan
> K0DAN
>
> ----- Original Message -----
> From: "Pete Smith" <n4zr@contesting.com>
> To: <towertalk@contesting.com>
> Sent: Monday, January 16, 2006 5:29 AM
> Subject: Re: [TowerTalk] Screw Anchor Question
>
>
> > The big advantage that poured concrete anchors give you is that they are
> at least partially dependent for their effectiveness on sheer dead weight;
> my Rohn-spec poured anchors weigh around 2000 lb each. On the other hand,
a
> lotm of pretty savvy hams have used screw anchors in permanent
installations
> without incident.
> >
> > 73, Pete N4ZR
> >
> > At 12:08 AM 1/16/2006, k0dan wrote:
> > >Well from my recently-related tower adventure of some years ago (Rest
In
> > >Peace), this is definitely the case. What perturbs me (and this is all
> water
> > >of the damn dam now) is that there were no warnings or other
> implementation
> > >notes from either the anchor manufacturer nor the distributor.
> Interestingly
> > >they did come with suggestion on how to install, and in what kind of
> soils,
> > >but nothing else. Without other experience or guidance the "amateur"
just
> > >goes on his merry way, believing he is doing things right.
> > >
> > >73
> > >
> > >Dan
> > >K0DAN
> > >
> > >----- Original Message -----
> > >From: "Phil Camera" <kb9cry@comcast.net>
> > >To: <towertalk@contesting.com>
> > >Sent: Sunday, January 15, 2006 6:45 PM
> > >Subject: Re: [TowerTalk] Screw Anchor Question
> > >
> > >
> > >> Don't take this personally, but IMHO screw anchors are only to be
used
> > >> for a temporary installation.
> > >> A 70 ft. tower is a sizable structure and needs adequate anchors,
> > >> meaning, anchors that have concrete holding them in place.
> > >> Yes, you should be concerned about the anchor in question, as well as
> > >> the others.
> > >> If you get Zero rain, and I mean none, then your anchors may last.
> But,
> > >> if your location gets any kind of rain, then that soil can become
very
> > >> soupy and won't hold worth squat.
> > >> I'd seriously rethink your installation. Gd Luck and be safe, Phil
> > >KB9CRY
> > >>
> > >> _______________________________________________
> > >>
> > >>
> > >>
> > >> _______________________________________________
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> > >> TowerTalk@contesting.com
> > >> http://lists.contesting.com/mailman/listinfo/towertalk
> > >>
> > >
> > >_______________________________________________
> > >
> > >
> > >
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> >
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> >
> >
> >
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> > http://lists.contesting.com/mailman/listinfo/towertalk
> >
>
> _______________________________________________
>
>
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