[TowerTalk] Rohn Tap in Base?
K8RI-on-TowerTalk at tm.net
Thu Sep 18 13:15:55 EDT 2008
Dave Tipton wrote:
> I've heard that there is a way to install a guyed Rohn 25 tower without the
> concrete footer. it evidentally involves using a 3 prong base section that
> you literally pound into the ground. I've seen one such install (though
> didn't know it at the time.) and it's a 70 footer with 2 sets of guys. What
> was this base called, and how do I find one?
There are at least 3 versions.
One, is just a plain "dirt base" which looks like a short tower section
with plates welded on the sides. Bore a hole large enough for it to
fit, drop in, fill with sand and you are on your way. Another is the 3
drive in rods , and a third is a baseplate with a sharp metal wedge on
the bottom. Aligning the drive in rods can be a problem while the
metal plate is/was for temporary use like field day.
The dirt base will work fine, depending on the soil, and now much load
is put on the tower. I would not go beyond a medium size tribander. I
don't remember if they require two or three sets of guys. If I get a
chance I'll look it up later today.
> Dave, W5DMT
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