[TowerTalk] Recommendation for mast on bottom mount rotator

[Gary Schafer]

Ok, thanks Mike. I now know what alternately means but I don't see how that
will alleviate any torque issues on the mast. What am I missing?

73
Gary  K4FMX

> -----Original Message-----
> From: towertalk-bounces at contesting.com [mailto:towertalk-
> bounces at contesting.com] On Behalf Of Mike Fatchett
> Sent: Tuesday, September 19, 2006 9:54 PM
> To: 'Gary Schafer'; K7LXC at aol.com; towertalk at contesting.com; K8RI-on-
> TowerTalk at tm.net
> Subject: Re: [TowerTalk] Recommendation for mast on bottom mount rotator
> 
> 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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