[TowerTalk] Big Rak and HDX-555

[Jim]

Are you calling me a liar Les?

Sure sounds like it from your instance.

I've been on tower talk for a very long time. And I know the history of the
OR2800 reports of slippage and the controller does not work.

I have had not had these problems.

73
Jim W7RY






-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces at contesting.com] On Behalf Of Les
Kalmus
Sent: Sunday, August 26, 2018 9:27 PM
To: towertalk at contesting.com
Subject: Re: [TowerTalk] Big Rak and HDX-555

Because the controller tends to miss and thus miscount the pulse counting
signals from the rotor and winds up displaying a different direction than
the antenna is actually pointing. Also, the circuitry in the controller that
provides the counting signal is noisy. In my case at times I couldn't hear
anything while the rotor was turning. Replacing the stock controller with a
Green Heron cured that problem as well as the miscounting issue.

The stock clamp does indeed slip no matter how it's torqued.

Les W2LK


On 8/26/2018 7:38 PM, Jim wrote:
> I have an older OR2800 with the M2 controller. Used it with N1MM and 
> never had an issue of any kind with the rotor or controller.
>
> It works great!  I had it on a TH7 with a XM240 above it on a 70' Rohn 45.
>
> Stock mast clamp. NEVER did it slip in the 14 years I had it up.
>
> I'm puzzled why you would think the mast clamp and controller are junk?
>
>
> 73
> Jim W7RY
>
>
>
> -----Original Message-----
> From: TowerTalk [mailto:towertalk-bounces at contesting.com] On Behalf Of 
> john at kk9a.com
> Sent: Sunday, August 26, 2018 3:03 PM
> To: towertalk at contesting.com
> Subject: Re: [TowerTalk] Big Rak and HDX-555
>
>  From what I have read on towertalk, it is a good rotator if you throw 
> away the mast clamp and controller.
>
> John KK9A
>
>
> From:	Kent Olsen <kilo6dko at gmail.com>
> Date:	Sun, 26 Aug 2018 08:14:01 -0700
>
> Phil
>
>
> I went with the M2 Orion 2800 rotor. It fits in the tower completely. 
> It has been up for 3 years with a SteppIR DB36 with a NN4ZZ tilt 
> plate. This is a very heavy combo, I have not had a bit of trouble.
>
> Thanks
> 73
> Kent
> N6WT
>
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