John Smith wrote:
Dave Heil wrote:
... It is simply a bolt, a large fender washer and a nut. It is
supporting only a wire antenna. It isn't guying a tower. A 3/8",
three or four inch long bolt in concrete is more than sufficient for
the job. Read my earlier post where I suggest a window sash weight.
These are cast iron with a loop at the top end. Both have been used
without failure for decades. No Rube Goldberg devices were necessary.

Dave K8MN

The fender washer, now mentioned, would go a long way towards creating a
better deadman ...

Check it out, "John". The fender washer was in my original post. If
you'd bothered to read it, you wouldn't be in an "Oops, never mind"
situation.

Dave K8MN