[TowerTalk] Recommendation for mast on bottom mount rotator

Mike Fatchett mike at mallardcove.com
Tue Sep 19 22:53:48 EDT 2006


Mounting one antenna on one side of the mast and the next on the opposite
side etc so the boom to mast clamps alternate.

Mike W0MU 

-----Original Message-----
From: towertalk-bounces at contesting.com
[mailto:towertalk-bounces at contesting.com] On Behalf Of Gary Schafer
Sent: Tuesday, September 19, 2006 8:50 PM
To: K7LXC at aol.com; towertalk at contesting.com; K8RI-on-TowerTalk at tm.net
Subject: Re: [TowerTalk] Recommendation for mast on bottom mount rotator



> >  Remember this mast has to do basically what  the top mast does. It 
> > is
> one
> long torsion bar.
> That and with a thrust  bearing at the top the tower will end up 
> supporting all the extra weight  of the masting.
> 
> 
>         Umm, I'll go with the long  torsion bar. BTW, mounting 
> antennas alternately up a mast goes a long ways to  minimizing torque 
> since they'll cancel each other out. (Article in QEX or QST by  Dick 
> Weber, K5IU, PE.)
> 
> Cheers,
> Steve    K7LXC
> TOWER TECH

What do you mean by "mounting antennas alternately up a mast"? Pointing them
at 90 degrees to each other?

73
Gary  K4FMX



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