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## [TowerTalk] LOOS gauge ramblings

 To: [TowerTalk] LOOS gauge ramblings w7ni@easystreet.com (Stan or Patricia Griffiths) Wed, 14 Mar 2001 00:36:29 -0800
 ```You know, there is a fairly easy way to test all of this and find out the real answers. Remember how you could see if your Loos Tension device was reading correctly, right in your garage? You hang a piece of guy wire vertically from the rafters. You then load it with a known amount of weight like a five gallon bucket of pieces of steel you have weighed on another scale. You then test the tension in this vertical "guy wire" with your Loos gauge and see if it reads correctly. If you want to know the effect of two closely spaced guy grips, you just re-rig the vertical guy wire with closely spaced grips and measure it again with the same weight loading it and see if you get a different answer. I would do all of this for you but I don't own a Loos gauge . . . Stan w7ni@easystreet.com alsopb wrote: > I started thinking more about the question I had posed about the LOOS > tension gauge being used to measure tension on a small piece of EHS > attached to phylistrand. > > Here's a thought experiment I proposed. It was what got me thinking > about how accurate the LOOS gauge is on a short section of EHS flanked > by big grips. > > The length of the EHS section is just equal to the length between the > Loose attach point and the readout scale. Big grips on either side. > In this case, it would seem to be that it would take quite a bit more > downward force to obtain the same deflection one would get for a long > piece of the same EHS. If the two ends of the EHS were physically > clamped in a vice, I'm sure it would take a MUCH larger downward > force. Does the presence of husky big grips partially simulate these > vices. > > I'm beginning to think that one needs a section at least twice the > length of the gauge to get a meaningful result. > > If the above is not true, I'd really like to have some technically > savvy person explain to me how the gauge really does work correctly in > these cases. > > de Brian/K3KO > > -- > FAQ on WWW: http://www.contesting.com/FAQ/towertalk > Submissions: towertalk@contesting.com > Administrative requests: towertalk-REQUEST@contesting.com > Problems: owner-towertalk@contesting.com -- FAQ on WWW: http://www.contesting.com/FAQ/towertalk Submissions: towertalk@contesting.com Administrative requests: towertalk-REQUEST@contesting.com Problems: owner-towertalk@contesting.com ```
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