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Re: [TowerTalk] HamIV Rotor sluggish

To: "Doug Snowden" <dougn4ij@gmail.com>, <towertalk@contesting.com>
Subject: Re: [TowerTalk] HamIV Rotor sluggish
From: "Gene Fuller" <w2lu@rochester.rr.com>
Date: Sat, 12 Jan 2013 20:31:45 -0500
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Hi Doug -

I believe that the "ham" rotators have a reputation for having the brake wedge hang up in the gear, in which case rocking it back and forth a couple of time may free it up if your lucky. I have had this happen and rocking it freed things up. The cause is likely releasing the brake too quickly after releasing the rotator switch, i.e. trying to set the brake wedge before it has stopped rotating. A brake delay circuit mod is available from MFJ.

Gene / W2LU

----- Original Message ----- From: "Doug Snowden" <dougn4ij@gmail.com>
To: <towertalk@contesting.com>
Sent: Saturday, January 12, 2013 7:20 PM
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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