[TowerTalk] HamIV Rotor sluggish

[Bryan Swadener]

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 othe 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