[TowerTalk] Big Rak and HDX-555

Timothy Coker n6win at yahoo.com
Sun Aug 26 21:18:39 EDT 2018


Mine slipped during the first year that I had it, in 2011, with a 2” non-chromolly mast.
I was lucky after that and it didn’t slip again since as I took a chance in 2011 and again when I replaced my tower in 2018 and kept the stock mast clamp.
C31XR 1’ above thrust bearing and XM240 14’ above.
Not sure why I didn’t replace the mast clamp with the tower change out, I guess I forgot about it the design issue. 
Tim / N6WIN 

Sent from Yahoo Mail for iPhone


On Sunday, August 26, 2018, 17:04, Kent Olsen <kilo6dko at gmail.com> wrote:

Well not sure what to tell ya. All I know is Steve K7LXC says he see them
slip all the time and mine did.

Thanks
73
Kent
N6WT


On Sun, Aug 26, 2018 at 5:00 PM Jim <jimw7ry at gmail.com> wrote:

> I had a HD chrome molly mast as well.
>
>
>
> 73
>
> Jim W7RY
>
>
>
>
>
>
>
> *From:* Kent Olsen [mailto:kilo6dko at gmail.com]
> *Sent:* Sunday, August 26, 2018 6:51 PM
> *To:* jimw7ry at gmail.com
> *Cc:* john at kk9a.com; towertalk at contesting.com
> *Subject:* Re: [TowerTalk] Big Rak and HDX-555
>
>
>
> Jim
>
>
>
> The mast clamp on mine slipped after 6 months. I took it down and
> tightened the bolts again with blue thread locker this time and 4 months
> later it slipped again. I think the the problem is I used a chrome moly
> mast that the clamp could not bite into. Your mileage may vary.
>
>
>
> I cant comment on the controller since I have never owned the stock one.
>
>
>
>
>
> Thanks
>
> 73
>
> Kent
>
> N6WT
>
>
>
>
>
> On Sun, Aug 26, 2018 at 4:39 PM Jim <jimw7ry at gmail.com> 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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