[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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