[Towertalk] More on tree antenna mounts

[n4kg@juno.com]

Assuming a S (or N) STOP,
South will still be South,
and North will still be North.

The SIMPLE solution is to paste
and E over the W and a W over the E
on the indicator.

Tom  N4KG

On Tue, 10 Sep 2002  "Stan & Patricia Griffiths" <w7ni@easystreet.com>
writes:
> I see an interesting directional indicating problem with the beam 
> attached
> under the rotator.  When you push the control for the rotator to 
> rotate
> "clockwise", the normal part of the rotator that turns now remains
> stationary and the part normally attached to the rotator plate (now 
> attached
> to the beam) turns "counterclockwise".  You could probably modify 
> the
> indicator system to account for this . . .
> 
> Stan
> w7ni@easystreet.com
> 
> ----- Original Message -----
> From: "W0UN--John Brosnahan" <shr@ricc.net>
> To: <towertalk@contesting.com>
> Sent: Saturday, September 07, 2002 8:29 AM
> Subject: Re: [Towertalk] More on tree antenna mounts
> 
> 
> >
> >
> > >
> > > > > Another way is to string a guy wire between two trees; use 
> it to
> hang a
> > > >  > rotor upside down and a beam hangs from the rotor.
> > > >
> > >     A good way to fill up a HAM IV or T2X with water. Don't know 
> about
> >
> > Don't think you actually have to hang the ROTATOR itself upside
> > down. Just mount the normal top side to the fixed guy by using a
> > short vetircal pipe mast welded to the center of a long horizontal 
> pipe
> > which is supported by the horizontal cable.  Then mount the beam 
> to the
> > normal bottom side of the rotator.  Easy to do if the bottom side 
> has
> > a mast mount clamp, but it could also be done with a flat plate 
> bolted
> > to a flat-bottomed rotator and then the plate could be drilled for 
> U-bolts
> > to attach the boom.
> >
> > Probably not all that wonderful around here were the trees are 
> only
> > 25 ft tall, but it is an interesting idea conceptually--at least
> > for relatively modest beams.
> >
> > I could also see this technique used between two towers when 
> tuning
> > a beam and rotation is also desired.  But not sure how long the
> > swinging would continue after movement (making the cross-pipe long
> > would greatly reduce the rotation instability, but not the 
> bouncing
> > and swaying mode.
> >
> > Probably most useful as a Saturday-morning mental exercise than
> > as a real project--but it is always nice to have "secret weapons"
> > for unusual circumstances--such as Field Day in the Pacific NW.
> >
> > John   W0UN
> >
> > _______________________________________________
> > Self Supporting Towers, Wireless Weather Stations, see web site:
> http://www.mscomputer.com
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> take an
> additional 5 percent off
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> >
> 
> _______________________________________________
> Self Supporting Towers, Wireless Weather Stations, see web site: 
> http://www.mscomputer.com
> Call 888-333-9041 to place your order, mention you saw this ad and 
> take an additional 5 percent off
> any weather station price.
> _______________________________________________
> Towertalk mailing list
> Towertalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
> 


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