[TowerTalk] Inverted vee mounted above HF Yagi

[David Thompson]

Years ago Ed K4SB (then K4DJC) wrote an article for 73 about just what you 
are asking about.  He wanted to get his 80 meter Inverted V higher and he 
used a mast (20 feet or so) above the beam.  He used a universal joint the 
top of the extension.  The mast rotated but the joint stayed still so the 
dipole did not move.

I wish I could relay more info but a reference was in the early ON4UN Low 
Band Books.  Ed said the main concern is that the beam stayed well within 
the legs of the inverted V.  More info if I can find it.

73 Dave K4JRB

----- Original Message ----- 
From: "Jack White" <m5pro at hotmail.com>
To: <towertalk at contesting.com>
Sent: Wednesday, August 17, 2011 3:31 PM
Subject: [TowerTalk] Inverted vee mounted above HF Yagi


>
> Hi Guys
>
> I have a standard 60ft Versatower with a Yaesu G-1000 and bearing mounted 
> at the top, and just above this I have a Cushcraft A3WS (pic on QRZ). I 
> want to extend the stub mast about 20ft above the A3WS to support the 
> centre of a 160/80/40 trapped inverted vee. I'm looking for some type of 
> mount that will allow me to mount the centre of the inverted vee at the 
> top of the stub mast and remain fixed whilst the stub mast rotates. 
> Ideas/advice would be great.
>
>
> 73, Jack G8DX
>
>
>
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