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Re: [TowerTalk] HamIV Rotor sluggish

To: towertalk@contesting.com
Subject: Re: [TowerTalk] HamIV Rotor sluggish
From: Bryan Swadener <bswadener@yahoo.com>
Date: Sun, 13 Jan 2013 07:58:04 -0800 (PST)
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
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
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