Sure seems right to me. What was F12's complaint
about putting rope in their antennas?
Mike
--- Tom Rauch <w8ji@contesting.com> wrote:
> > mph. Most urban areas are built in low wind
> locations. The problem
> > arises when the average wind is high with day
> after day of winds over
> > 30 mph. We have had people make statements that
> Force 12 elements
>
> My location is middle western Georgia, although my
> antennas are
> in a clear area and above the tree lines. It is the
> mild breezes that
> set my antennas elements into vibration.
>
> > don't vibrate and therefore don't need rope in
> them or will not fail
> > from wind induced vibration. I know this is false
> because if you take
> > an element and swing it around you will hear and
> feel the vibration
> > from the element.
>
> I know it is false because on any day when the
> breeze is over
> maybe ten MPH, I can hear the antenna elements
> vibrating. Since
> the antennas are 30 feet or more apart, there is no
> mistaking (when
> on the tower) which antennas vibrate.
>
> It seems silly to have a disagreement about this,
> because adding
> rope INSIDE the element can't possibly change the
> ice loading or
> wind loading of the element. It might not do any
> good, but it
> certainly can't do any harm to the antenna.
>
> From here on out, I'll never install another antenna
> without rope
> dampers and end caps. I've learned my lesson.
>
>
> 73, Tom W8JI
> W8JI@contesting.com
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