Hi Frank....I might have Excel on one of my office PC's so that would be
great if you could send the spreadsheet my way. There was no explanation
for the size change, but the specs note that this is a PE revision from two
years ago.
Thanks,
David, K4ZZR
Subject: Re: [Towertalk] HDX-555 specs
> David,
> If you have Excel on your computer I will send you a spreadsheet that is
> already set up for the HDX-555. You simply need to input your antenna
> parameters (wind load & height above the tower) and height of the tower
> (21' to 55') at about 5 points to generate a wind Velocity vs Tower
> Height profile for a constant bending moment at the base. I ran into the
> similar dilemma, as I have several antennas stacked up to 16 feet above
> the tower (not at the specified 1 foot) The price has gone up. They
> wanted $150.00 for that a few years ago. Any reason given for the larger
> base & Re bar??
>
> 73,
> Frank W9JCC
>
> On Wed, 26 Jun 2002 16:12:07 -0400 "David" <k4zzr@bellsouth.net> writes:
> > The PE sheets that were sent for my yet-to-be-delivered US Towers
> > HDX-555
> > have increased the hole size to 5'x5'x6.5' and larger rebar (the
> > website
> > says 4'x4'x6'). When I asked what the windload rating would be for
> > 105mph
> > (here in Florida) I was told by the very nice lady that the PE said
> > it
> > could handle "2 sq ft of antenna." Wow, it went from 30 sq ft at
> > 70mph to
> > 2 sq ft at 105mph. Of course, what I really needed to know is what
> > it would
> > handle cranked all the way down, since I surely won't leave it up in
> > the
> > face of an approaching hurricane. She said the PE wanted $450 to
> > tell me
> > that info. Now I realize that's probably money well spent, but the
> > $900
> > shipping and $600 for concrete has already drained the well, so to
> > speak.
> > :-) I can already see the look in my wife's eyes - she's planning
> > how
> > she's going to get even with me!
> >
> > 73,
> > David, K4ZZR
> >
> >
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> >
>
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