Now, if you had a solar-powered GPS sensor mounted on each end of the boom,
wirelessly transmitting those two positions to a receiving unit in your
shack, the azimuth of the boom could be computed and displayed irrespective
of mast slippage, controller and/or rotor internal failures. Sensors would
need to be bulletproof in proximity to QRO. No well-equipped shack should
be without this important backup....
73, Don N7EF
On Tue, Mar 21, 2017 at 9:41 PM, Jim Thomson <jim.thom@telus.net> wrote:
> Date: Tue, 21 Mar 2017 15:19:11 -0400
> From: "Bruce Meier" <bemeier@bellsouth.net>
> To: <towertalk@contesting.com>
> Subject: [TowerTalk] G2800 Rotor issue
>
> One problem fixed but another problem surfaced.
>
> Fast forward. Now that it is back on the tower and aligned with the Blue
> Heron all is well - almost. Recently we have had some strong winds. The
> wind causes the rotor and antennas to turn. This morning I turned on the
> Blue Heron controller it indicated the antenna was pointing at 165 degrees.
> When I shut it down yesterday afternoon it was at 45 degrees. I moved the
> control knob so the antenna would turn to 35 degrees. It moved - stopped
> exactly at 35 degrees as measured with a compass. So - the rotor is
> turning
> (gears inside?) and not the mast / antennas slipping.
>
> I have (2) G2800s, (2) G1000s and (1) G450 and this is the only rotor that
> wind causes the rotor to turn.
> Anyone have any suggestions what might be going on here?
>
> 73,
>
> Bruce – N1LN
>
> ## either you have something else inside the rotor that is slipping, and
> or
> the rotor clamp for the bottom of the mast is slipping.....or the boom to
> mast clamp
> is slipping. Which of course will manifest itself when you have a big
> load on it, like wind.
>
> Jim VE7RF
>
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