[TowerTalk] HamIV Rotor sluggish

[Jim W7RY]

Usually just the tailtwister brake "sticks".

73
Jim W7RY


-----Original Message----- 
From: Gene Fuller
Sent: Saturday, January 12, 2013 5:31 PM
To: Doug Snowden ; towertalk at contesting.com
Subject: Re: [TowerTalk] HamIV Rotor sluggish

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 at gmail.com>
To: <towertalk at 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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