[TowerTalk] Alternate method of setting guy tension

Steve Maki lists at oakcom.org
Thu Nov 23 09:55:46 EST 2017


If it's to be a one person device, the person needs at least two arms - 
one to hold the board, and one to pull the scale. The method should work 
fine, especially if a one-time calibration on EHS could be done against 
a trusted method.

-Steve K8LX

On 2017-11-23 7:21 AM, Patrick Greenlee wrote:

> The scale doesn't go into the 1/2 inch space.  The scale can be in the 
> next county if you have enough line to go between the scale and the 
> "barbed wire" or the guy. There is a force multiplication when pulling 
> sideways on a taught line. Using that principle the OP has explained how 
> to improvise a tension gauge.  Using different dimensions would result 
> in different multiplication ratios.
> 
> Patrick        NJ5G
> 
> On 11/22/2017 10:07 PM, n8de at thepoint.net wrote:
>> Please explain how you get the fish scale into that 1/2" space?
>> 73
>> Don
>> N8DE

>> Quoting John Fickes <kc0bmf at gmail.com>:
>>
>>> Jeff
>>>   First my disclaimer, I've used this method while building barb wire 
>>> fence
>>> to test the tension so as to get all the wires close to the same tension
>>> and I don't know why it wouldn't work for what you are doing, BUT I 
>>> don't
>>> guarantee.
>>>
>>>    1 Take a board  42" long
>>>    2 Drive 2 nails in the board 40" apart but don't seat the nails, 
>>> leave
>>> them up a bit
>>>    3 Draw a straight line between the nails
>>>    4 Drive another nail 1/2" below the line that you drew and in the 
>>> center
>>> of the first 2 nails
>>>    5 Rest the cable on the first 2 nails that are 40" apart and using 
>>> a set
>>> of fish scales hook the cable and pull the cable till it touches the 3rd
>>> nail and read your fish scales.
>>>    6 Take the reading of your fish scales and multiply by 20
>>> So for example if you pull the wire back and when it touches the middle
>>> nail the scales read 10# multiply by 20 = 200#
>>>
>>> I've used this method as I said and it works great for fence. Good Luck
>>>
>>>                          73 John W0JW




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