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Re: [TowerTalk] Clanking Tail Twister II

To: <towertalk@contesting.com>, <dotravel@aol.com>
Subject: Re: [TowerTalk] Clanking Tail Twister II
From: "Jim W7RY" <jimw7ry@gmail.com>
Reply-to: Jim W7RY <jimw7ry@gmail.com>
Date: Fri, 28 Oct 2011 08:02:27 -0700
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Why do you feel the need to "take it apart"?  Does it rotate the antenna? 
The brake on a Hy-Gain rotor is very loud. It's a large AC operated solenoid 
that pulls the brake wedge away from the braking collar.

73
Jim W7RY



--------------------------------------------------
From: <dotravel@aol.com>
Sent: Thursday, October 27, 2011 7:40 PM
To: <towertalk@contesting.com>
Subject: [TowerTalk] Clanking Tail Twister II

>
> I have a Tail Twister II on top of my wall mounted  Tri-EX 33' crank up 
> tower with home-brew 8' 5th section and 2' tall base. Because the tower is 
> mounted to the wall of the shack I hear every sound from the tower and 
> rotor -- just perfect for Halloween!  Is this noise normal for the rotor?
>
> One of the most annoying sounds is when the TT-II brake is retracted with 
> a big "ker-blamo" clanking noise that resonates through the tower and into 
> the wall just over my head.   Before I take the rotor apart is there 
> anything that the group can suggest to add or replace in the rotor to 
> lessen the noise? I'm thinking that originally there may have been some 
> cushioned stops in the rotor to prevent the the big metal-on-metal CLANK 
> as the brake is retracted?
>
> Do the Yaesu 800/1000 series rotors also make this "clanking" noise? 
> Although I'd  like to not spend the money for a new rotor are there any 
> suggesting for a quiet rotor that is in this load class?
>
>
> Regards, John NA6L
>
>
>
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