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[TowerTalk] Anchoring of guy wires

Subject: [TowerTalk] Anchoring of guy wires
From: Keeran Larry <>
Date: Sun, 15 Feb 2009 00:29:05 +0100
List-post: <">>
Hello Kjeld,

My Sigma 80 held up with 5/16 inch Dacron UV-resistant rope in 75 MPH  
winds this past two weeks here in France, on a 70 meter cliff  
overlooking the Gironde estuary.  The rope is rated at 1260# breaking  
strength.  Part number 818 from

The ends are anchored into stone walls, at right angles of the force,  
and are steel 1/2 inch bolts with eyelets. I did use stainless steel  
thimbles at the abrasion points.

The tempest we had four weeks ago did have higher winds. There were a  
considerable number of trees uprooted South of me.  I don't have any  
verification of the exact velocity and have to rely on reported wind  

I hope this helps.


Larry F/K9ORP

Kield said:

My local authorities are requesting calculations for the anchoring of  
my guy
wires for my Sigma 80 from Force 12

If you have any vertical antenna using guy wires how did you suspend  
the guy
wires? Did you tie them to trees, your house or some kind of  
anchoring in
the ground? And how did you "make sure" that the anchoring was strong  
not to be pulled out of the ground?

I did not find any information on the manufacturer's homepage and  
asking did
not give an detailed answer.

Vy 73
OZ1CCM Kjeld


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