I don't know whether there is more comprehensive information in the UST
printed catalog, but on line they give wind-loading figures for no more
than 70mph. I live in a county for which the wind speeds may be up to 85mph.
People have said that UST says that their towers are intended to be
installed by "professionals" -- but can these people get the necessary
information either?
73
Alan NV8A
On 06/06/06 01:10 pm Rick Tavan N6XI wrote:
> I got most of the documentation I absolutely needed through back channels -
> underground documentation as it were. Yes, UST provided PE drawings. But
> what I really needed was a wiring diagram for the controls which did not and
> still do not work reliably. I got a reverse-engineered hand drawing and an
> unattributed drawing that I believe came from a predecessor company that may
> or may not match what UST ships. I am yet to find any instructions on
> re-stringing the cable and, like some of the advisors on this reflector have
> recommended, intend to put it off as long as possible. There is also no
> advice on how to force the bottom section to fit the baseplate. (It took
> three men jumping on a huge crowbar.) And no comment on mis-drilled coax-arm
> mounts, incorrect mast shipment, rotor plate at wrong level, torn cable
> housings, etc. The tower arrives on the day you have arranged crew. It has
> all sorts of problems and you just have to live with it or delay your
> project by weeks or months. They understand the urgency of working around
> problems so they have no incentive to eliminate them through documentation,
> design or care in handling.
>
> Yes, I definitely considered Rohn. I have had three Rohn 25 towers over the
> years and I love them. Had this installation been in a less visible
> location, it would have been Rohn 45 or perhaps Trylon. The crankup was a
> concession to my wonderful neighbors. They appreciate that I crank it down
> when out of town or not operating for a while. It cost several times as much
> as 45 and has far less stacking potential. If I had to do it again, I would
> spend an extra year cultivating relationships and go with a fixed tower.
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