I don't know about the fiberglass but I would use Phillystran HPTG1200I for
the the Quad stays. A bit pricey at $0.49 @ foot and $4 per end, but you
only have to buy it once. I had an antenna that would either stretch or
break the boom support rope in the slightest wind (lots of sun degradation -
Texas). Replaced with the Phillystran and never worried about it again. No
stretch, no breakage & no worries.
Clint - W5CPT - West Kentucky
From: "Charles Harpole" <firstname.lastname@example.org>
Sent: Wednesday, August 04, 2010 9:38 AM
To: <email@example.com>; "Florida ContestGroup" <firstname.lastname@example.org>;
Subject: [TowerTalk] Need sources of rope and fiberglass
> Hope someone can refer me to a source for
> ---very light weight, very strong (500 lbs. pull), non absorbent, sun
> resistant line/string/rope to use to internally guy a two element quad.
> -- light weight 8 foot fiberglass rod or tube, at least 1 and half inch
> Well, my quad broke today in a gale. The wind estimater says speed was 50
> to 56 mph based on small tree blown over, twigs and limbs down, and so on.
> I am impressed that the grass in the lots beside and behind me ... grass
> about 2 ft tall, was blown completely flat, so he wind at actual ground
> level was bad, too. Standard factory Cubex with factory stiffner... 2 el
> full size 40m, 2el on 30, and 3 el on other two WARC bands. Really worked
> I made the mistake of not heading my quad West where the wind always comes
> from... I think because it hit it on an angle, one of the top two
> spreaders broke at about the half way point and all the wires of the
> driven element are drooping over the mess that is left. The reflector,
> lacking he added load of the driven coax attached, survived. I think the
> driven array also rotated on the boom and the whole thing could have been
> pushed back on the mast, it appears.
> I had plans already of putting in 8ft extensions on the ends of the boom
> and tying the whole thing into a fully guyed internally. I do not know
> how I can get another fiberglass spreader shipped here, it is very long,
> and I have only one fiberglass extension rod to do the strengthening so
> that is another part to find.
> If you have suggestions on a very light very strong, sun resistant, non
> absorbing string, line, rope.... please let me know. de HS0ZCW
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