[TowerTalk] HamIV Rotor sluggish

[Doug Snowden]

The rotor has always been sluggish but has gotten worse, maybe due to
colder weather.
I guess I will do as one of you said and put a small series xfmr to boost
the voltage. That would be easier than running a new run of control cable I
guess.

Doug N4IJ

On Sun, Jan 13, 2013 at 9:58 AM, Bryan Swadener <bswadener at yahoo.com> wrote:

> It's always good procedure to verify the UUT is configured correctly.
>
> vy 73,
> Bryan WA7PRC
>
> From: Stan K5GO
>
> Subject: Re: [TowerTalk] HamIV Rotor sluggish
> Date: Sunday, January 13, 2013, 7:27 AM
>
> And regardless of how big the wire is you may on occasion have to "rock
> the antenna". I think if the wind is blowing just right you will have to do
> that to get that brake wedge to come out.
> Stan, K5GO
>
> On Jan 13, 2013, at 8:40 AM, Bryan WA7PRC wrote:
> > Hi Doug,
> >
> > Before you do anything, what is the wire resistance? The manual says the
> maximum interconnect cable resistance is...
> >
> > Terminals 1 & 2 = 0.8 ohm
> > Terminals 3, 4, 5, 6, 7, and 8 = 2.0 ohms
> >
> > According to a nifty calculator spreadsheet (
> http://www.rst-engr.com/rst/jimsdata/wirecalc.xls), to stay under those
> limits at 275 feet, you should be using at least 14 AWG (0.696 ohms) and 20
> AWG (1.759 ohms) wire respectively. If you're already there, look
> elsewhere. Several of the other suggestions sound good.
>
> >
> > vy 73,
> > Bryan WA7PRC
> >
> >
> > Date: Sat, 12 Jan 2013
> > From: Doug N4IJ
> > Subject: [TowerTalk] HamIV Rotor sluggish
> >
> > The rotor is on a tower and the run is about 275 ft from the shack.
> > What is the best way to get more response from it? At times I have to
> > rock the antenaa back and forth to get it to even move. I am sure it
> > must be voltage loss.  Boost the voltage from the controller?
> > Doug, N4IJ
>
>