On 10/27/2011 8:40 PM, dotravel@aol.com 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 antennas.
> 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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