the PDF for your tower is located at
On 7/25/06, Jim Lux <firstname.lastname@example.org> wrote:
> At 10:13 PM 7/24/2006, Allen R. Brier wrote:
> >I bought a used Hy-Gain HG-70HD tower. The guy I bought it from built a
> >homemade rebar base for it. I would like to get some guidance from the
> >on the following issues:
> >1. Size of rebar: I need to convert the diameter to rebar "size"
> rebar # is 1/8ths of an inch, #4 is a half an inch in diameter (nominal)
> More on rebar at: http://www.sizes.com/materls/rebar.htm
> >2. Welding: The rebar cage has been welded, not wired together.
> Could be good, could be bad. Depends on the material in the bars and how
> was welded.
> >3. Rust: The rebar cage is quite rusted. I assume that I will need
> >clean the rust to achieve good contact with the concrete.
> >4. Design: Does anybody have the design for the HG-70HD base? Of
> >course, I can probably use a base for a similar size tower as a go-by.
> Is there a manufacturer recommendation? Check the Hygain website and
> download the manual.
> >I would appreciate any input I could get to determine if this FREE base
> >good enough, or should I purchase a new one from Hy-Gain for $349(?) I
> >be happy to photograph this base and send it to anyone nice enough to
> >evaluate it. I want to make sure the tower stays up in the worst on
> >conditions. I know the base is a critical part of that and I just want to
> >make sure it is ok.
> You're in an interesting situation.. You could spend $350 and *know* that
> it's the right one, or you can spend nothing and gamble that it's the
> one, that it was properly assembled, etc. What fraction of the overall
> project cost is the $350? Do you have any permitting requirements? What
> are the consequences of it falling down?
> Jim, W6RMK
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