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Re: [TowerTalk] Rotating tower

To: "Larry Burke" <>, <>
Subject: Re: [TowerTalk] Rotating tower
From: "Stan Stockton" <>
Reply-to: Stan Stockton <>
Date: Fri, 19 Aug 2011 09:38:03 -0500
List-post: <">>

Not sure whether your Green Heron Engineering controller has ramp up and 
ramp down or if so how you have that set.  Using one on a prop pitch you 
can start it very slowly, ramp it up to full speed and then ramp it down 
so it will stop where you want it.  In the calibration mode you can set 
the minimum speed, maximum speed (both 1 to 10, I think) and the timing 
of the ramp between those two speeds.

I'm sure Jeff at Green Heron would help you if it can be fixed so it 
stops where you want it.

Stan, K5GO

----- Original Message ----- 
From: "Larry Burke" <>
To: "'Richard Thorne'" <>; <>
Sent: Friday, August 19, 2011 9:25 AM
Subject: Re: [TowerTalk] Rotating tower

>I have K0XG rings. Getting around them is not as easy as climbing a 
> tower section, but it is doable if you are remotely in shape. Takes a 
> bit of
> getting used to and can be a bit unnerving to some the first time they 
> try
> it.
> Another thing to consider... My gin pole (don't remember the brand) 
> did not
> stick out far enough horizontally from the tower to get around a ring 
> with
> the vertical pole. Was a moot point in my case since I used a crane to 
> lift
> everything above the first ring.
> Going back to the original question.... yes, my tower twists a bit 
> when the
> rotor stops and even in strong winds. I am using 55G. A bigger issue 
> for me
> is overshoot. I have not been able to get the tower to stop exactly 
> where it
> should using the combination of a Green Heron controller and the K0XG. 
> The
> tower usually travels 10 deg or so beyond where it was supposed to 
> stop. I
> have tried adjusting, to no avail (but maybe I am not doing it right).
> Also... I have had cases where the limit switches and Green Heron did 
> not
> prevent the tower from overtravel (kept going after 360 deg rotation).
> Fortunately I was looking at the control box the few times this has
> happened. Ripped up some cable, but stopped before the tower was in
> jeopardy.
> Photo of the setup is on The K0XG stuff is nice!
> Larry K5RK
> -----Original Message-----
> From:
> [] On Behalf Of Richard Thorne
> Sent: Friday, August 19, 2011 8:55 AM
> To:
> Subject: Re: [TowerTalk] Rotating tower
> I like the idea of a rotating tower.
> Question, with the rotating rings installed does that impede climbing 
> the
> tower much?
> I'm about to start digging the holes for my 45g tower.  A rotating 
> tower
> would be nice for stacking.
> Rich - N5ZC
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