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Re: [TowerTalk] Clanking Tail Twister II

To: "'Jay Kesterson K0GU'" <>, <>
Subject: Re: [TowerTalk] Clanking Tail Twister II
From: "Julio Peralta" <>
Date: Fri, 28 Oct 2011 13:23:50 -0400
List-post: <">>
All the Yaesu rotors I know about are Planetary Gear Systems not worm gear

Julio, W4HY

-----Original Message-----
[] On Behalf Of Jay Kesterson K0GU
Sent: Friday, October 28, 2011 11:29 AM
Subject: Re: [TowerTalk] Clanking Tail Twister II

On 10/27/2011 8:40 PM, wrote:
> 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?

   Wedge brake rotators do make a sound when the brake is actuated. I had a
house bracketed tower ONCE. I could hear all manner of vibrations from the

> 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?

   Yaesu rotators use a worm gear and not a wedge brake. So they don't go
thump in the night.

73,  Jay  K0GU


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