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[Towertalk] screw in anchors

To: <towertalk@contesting.com>
Subject: [Towertalk] screw in anchors
From: w2up@mindspring.com (Barry )
Date: Sun, 08 Sep 2002 18:47:26 -0000
While I'm no botanist, as far as I know, trees get taller from the tips of 
their branches. The base doesn't rise. So, if you put at anchor at the 5 ft 
level, it will always be at the 5 ft level. It won't be at 50 ft 10 years from 
now :.)
I'm I'm wrong, pse correct me!
73,
Barry W2UP


On 8 Sep 2002 Jerry Keller wrote:

> Yes, that's what I was thinking. If one put the guy to the base of the tree,
> there's virtually no movement... except a slow movement upwards as the tree
> grows. If a large deeprooted tree (oak or whatever) were used, it could be
> good for a long time. I was looking for anyone with experience with
> fastening, such as methods & tools to drill a hole through a two-foot or
> more hardwood tree trunk. Jerry K3BZ
> 
> -----Original Message-----
> From: Jon Zaimes AA1K [mailto:jon.zaimes@dol.net]
> Sent: Sunday, September 08, 2002 1:08 PM
> To: k3bz@arrl.net; towertalk@contesting.com
> Subject: RE: [Towertalk] screw in anchors
> 
> 
> Jerry,
> 
> A long time ago in a call area not too far from Delaware, I guyed 70 feet
> of Rohn 25 to large hardwoods, perhaps 2 feet diameter. I wrapped several
> turns of EHS guy cable around the tree and secured with cable clamps. I
> used large nails to keep this loop from sliding up the tree. Every year or
> two I would loosen up the cable slightly to keep it from growing into the
> tree, and from strangling the tree and killing it. The turnbuckles for the
> guys attached to the steel guy wires looped around the tree.
> 
> Of course now we all know to follow the manufacturers instructions -- or at
> least use something stronger.
> 
> While it is true if the anchor tree falls it will take down the tower, if
> the tree not used as a guy anchor falls, it also will likely take down the
> tower if it falls on the guys (unless you have Rohn 55 or bigger).
> 
> Recently I took down a 125 foot Rohn 25 tower that had been up about 20
> years. Two of the three guys used large trees as anchors. The trees were
> about 2.5 to 3 ft diameter, and had a large eye bolt bored through or into
> the tree. The tree had grown around the eye bolt in one case and we had to
> cut the guy free.
> 
> These guys were up 8-12 feet above ground. I don't know how high they were
> when the tower was installed.
> 
> 73/Jon AA1K
> 
> 
> At 10:39 AM 9/8/02 -0400, you wrote:
> >If trees can be used as masts or towers, what about using them as guy
> >anchors? Has anyone had any experience with doing that? Jerry K3BZ
> >
> >-----Original Message-----
> >From: towertalk-admin@contesting.com
> >[mailto:towertalk-admin@contesting.com]On Behalf Of n4kg@juno.com
> >Sent: Sunday, September 08, 2002 9:00 AM
> >To: TOWERTALK@contesting.com
> >Subject: Re: [Towertalk] screw in anchors
> >
> >
> >On Sun, 08 Sep 2002 07:09:20 -0500 Jon Ogden <na9d@speakeasy.net> writes:
> >
> >     SNIP
> >>
> >>   Let me tell you,  those screw anchors did NOT go in easily.
> >> Very difficult to put in.  I  could feel when I hit the clay and rocks.
> >
> >> One of the anchors got most of the  way down and hit rock.
> >> If we tried cranking it further, we just would twist  the guy
> >> rod itself.
> >>
> >> I think they should hold pretty well.
> >>
> >> 73,   Jon  NA9D
> >>
> >
> >The BEST time to install screw-in anchors is after
> >a good soaking rain :-)   Rocks are a bummer.
> >If the anchor is only partially in the ground, it may
> >be necessary to try remove it and try a slightly
> >different location.
> >
> >Tom  N4KG
> >
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> _______________________________________________
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> additional 5 percent off
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--
Barry Kutner, W2UP              Internet: w2up@mindspring.com
Newtown, PA                     Frankford Radio Club
         


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