If you relocate the capacitor to the tower, it frees up two conductors which
can be wired in parallel with the brake and ground return wires.
> -----Original Message-----
> From: email@example.com [mailto:firstname.lastname@example.org]
> Sent: Friday, September 01, 2006 7:52 PM
> To: email@example.com
> Subject: Re: [TowerTalk] Rotator cable length
> I have only one Tailtwister currently in my station, using a
> 350 foot control cable. I did several things to obtain
> completely reliable operation:
> - I relocated the capacitor to the tower base (you could
> place it next to the rotator, but I prefer to locate it where
> I can get easy access),
> - I use #12 wire for the brake and motor wires,
> - I added a voltage boosting transformer to the back of the
> control box to increase the brake voltage.
> It's operated reliably for 20 years in this configuration,
> except for rotor rebuilds every 4 or 5 years due to the large
> antenna load (7 elements on 10 meters on a 48 foot boom).
> I originally had four additional Tailtwisters in my station,
> all using the same scheme described above, with the longest
> cable run of nearly 600 feet. They turned two large 5
> element 20 meter Yagis, and two large 6 element 15 meter
> Yagis, all on 48 foot booms. Those four Tailtwister rotators
> were removed from service when the original two towers were
> replaced with two new 150 foot rotating towers. The original
> fixed towers and the four Tailtwister rotators were a whole
> lot more cost effective than the rotating towers!
> Good luck, this same arrangement will work fine for you.
> ---- Original message ----
> >Date: Fri, 1 Sep 2006 18:00:53 -0500
> >From: "Tom Hellem" <firstname.lastname@example.org>
> >Subject: [TowerTalk] Rotator cable length
> >To: "Towertalk submit" <email@example.com>
> >Hi All:
> >The Hy-Gain manual specifies maximum length of 300' for
> Tailtwister cable using #14 conductors for the power leads.
> Has anyone successfully used a longer one? Can I just up the
> conductor size to #12, or, any better ideas? My run looks
> like it will be around 350 feet.
> >Tom K0SN
> >Porterfield, WI
> >TowerTalk mailing list
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