While i have just responded to the first set of concerns and questions
in this post, I want to close this thread and thank all of you who
offered comments and ideas relative to using the 'CURVED' coax arms
either buying new ones, or making my own with PVC fittings as well
sizing and choice of power conductors for feeding the high current
demands of the PP rotor, including using irrigation tubing as the medium
for protecting the conductors and mag pulse counting cable. I think my
choice to use the curved arms is best for me and my situation, even the
good idea of laying out the coax heap into a large figure '8' is good
but still in my instance the lawn mowing service still leaves me at risk.
I will add here a feature I use local to me is a hand held pendant with
UP/DOWN buttons attached to a 120' 3 wire #18 SO cord allowing me to
stand back and watch and control the raising/lowering and keep the
circus pieces all moving without tangling up ropes cables and inverted V
wires. I have lost count of the top stand-off arms i have bent with
something getting caught. Its at this point i often think an AMP reading
and alarm would work well monitoring the current demands on the
raising/lowering motor.
As a point of humor and direct experience, i have and have used 1/2"
RFS/Andrew super flex coax and its really impressive to see the
corrugations go away and the cable sheath simply slide off from the
copper jacket after the corrugations have been stretched smooth. But
then the pesky task of replacing the coax is such a royal PIA.
I got some solid suggestions and direct experience from present users,
thank each of you who took the time to respond and share these
experiences and suggestions.
Warm regards: mac/mc w5mc
On 2/9/2019 12:46 PM, Mac wrote:
My HDX-589 tower was built to accept the old Hy Gain HDR-300 series
rotor scheme wherein the mast opening both in the top section and
rotor shelf were offset from the more often used center-line.
I want and have made plans to use a SMALL old time Prop Pitch as the
rotor of choice.
Does anyone have experience using the PP in this offset scheme.
Presently I can't run the tower sections out to a point where I can
check or install the PP, and even then I will want to drill out the
rotor plate mounting hole pattern to accept the PP mounting pattern to
keep the existing offset center alignment.
I feel reasonably restricted to the PP as my rotor of choice due to my
antenna/s wind and weight loading.
In this same question I have discovered these new to me CURVED
standoff arms offered by Chris KF7P, using these has a real appeal to
me V. using old time LOOP arms where when lowered I have a heap of
coax and control wiring mixed with Inverted V coax.
When raising the tower it's a pretty much PIA and nearly always
requires 2 persons, myself and an understanding wife with a dog that
regrets being in the middle of the wire heap.
What experiences can anyone share about using the curved arms and your
satisfaction levels. From all that I can see Chris seems to have
filled a real niche in our market needs and support.
73, mac/mc w5mc
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