I can only give you some anecdotal evidence.
My 40 ft tower with TH7 and 55 ft tower with 5L10 / 4L15 / 5L10
are held in place by 48 inch screw anchors with 4 inch plates
in Alabama clay and have survived estimated 90 MPH winds.
My 75 and 80 ft towers are held by 48 inch screw anchors with
6 inch plates.
de Tom N4KG
On Wed, 6 Jun 2001 "Michael Bartee" <wt4mb@bellsouth.net> writes:
> Can anyone tell me what the load capability is for a 6" X 48" screw
> in earth anchor ? I am looking for anchors for a 45' R25G tower and
would
> prefer not to deal with concrete type anchors if possible. All input
will be
> helpful.
> 73, Mike.
>
>
>
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> -----
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> Problems: owner-towertalk@contesting.com
>
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