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[TowerTalk] Loos PT-3 Corrections for EHS Cables

To: Towertalk Reflector <towertalk@contesting.com>
Subject: [TowerTalk] Loos PT-3 Corrections for EHS Cables
From: Byron Tatum <bjtatum1@att.net>
Date: Thu, 25 Apr 2019 13:43:47 +0000 (UTC)
List-post: <mailto:towertalk@contesting.com>
Hello-     I have spent some time searching but could not find the information 
I recalled seeing, previously I believe on this site, regarding the correction 
factor for the Loos tension guage when used on the stiffer 1x7 EHS guy lines.   
  Particularly I am looking for corrections in using the Loos PT-3 with 1/4" 
and 5/16" EHS guy cables.I did find one Ham's comments on his website about 
applying a 10% correction (I believe adding 10% to the converted pounds reading 
taken from Loos guage) for the 5/16" EHS cable.    I read his comments about a 
procedure:       1. Positioning the Loos guage in several different places on 
guy cable, just slightly removed from each other, due to the effects of strand 
lay on the nylon pulleys.        2. Next he averaged the raw scale readings 
then converting this averaged reading to pounds on Loos chart.       3. This 
pounds reading was increased by 10% (correction for 5/16" EHS).Any comments 
appreciated. I am doing some fine tuning on guy tensioning on newly erected 
130' Rohn 45G tower, put up according to Rohn 130 MPH dimensions and 
specifications.Thanks, Byron W5FH
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