25G tower with whip on top:
Why series-feed this thing if you don't have to? Stick the tower up and guy
it with Philly, or with steel cable with insulators near the tower. Then
shunt-feed it. Nice and durable.
regards and Happy New Year!
Dave N3AC
On Fri, Dec 31, 2021 at 6:52 AM Rob Atkinson <ranchorobbo@gmail.com> wrote:
> >Would 30 feet (real height 28 feet) of Rohn 25 be OK freestanding with a
> 35 foot whip on top?
>
> Why can't it be guyed to help stabilize it? Even three ways at the
> top with dacron or kevlar to some deep earth screws is better than
> nothing, especially if you use cheap leg insulators. Most leg
> insulators will not hold much free standing steel in high wind
> especially if you wind up needing a top hat. If your vertical is
> out in the open on flat land and you have a wind storm, it will
> destroy plastic leg insulators and the ceramic ones hams find aren't
> made for this. Not sure about the fiberglass cylinders that fit
> inside the legs. Maybe they are more robust.
>
> Happy New Year
> Rob
> K5UJ
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