[TowerTalk] TowerTalk Digest, Vol 222, Issue 3

Thu Jun 3 13:09:03 EDT 2021

test

On Thu, Jun 3, 2021 at 9:02 AM <towertalk-request at contesting.com> wrote:

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> Today's Topics:
>
>    1. Re: Yaesu Rotator Questions (john at kk9a.com)
>    2. Re: Yaesu Rotator Questions (Grant Saviers)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 2 Jun 2021 21:54:59 -0400
> From: <john at kk9a.com>
> To: <towertalk at contesting.com>
> Subject: Re: [TowerTalk] Yaesu Rotator Questions
> Message-ID: <001001d7581b$7679bd10$636d3730$@com>
> Content-Type: text/plain;       charset="us-ascii"
>
> I used Yaesu G2800DXA rotators at my station in Aruba and had no issues. I
> never took one apart but if the ball bearings are on an aluminum housing I
> would not switch to stainless steel just for the sake of changing it.
> Unless
> you like galvanic corrosion I would definitely NOT substitute stainless
> steel hardware with the Yaesu aluminum base and aluminum mast clamps in a
> corrosive environment. Also, I did not use a shock absorber.
>
> John P4/KK9A
>
>
> Stan Stockton ZF9CW wrote:
>
> Hoping someone with experience with Yaesu rotators can help me.
>
> 1.  DX Engineering website and other websites say the G-1000DXA has one
> hundred 7/16" diameter ball bearings.  The Yaesu G-1000DXA manual says
> ninety eight 3/8" diameter ball bearings.  Which is the correct diameter?
>
> 2.  I think the ball bearings in these rotators may be chrome as opposed to
> stainless steel.  I'm planning to put up a G-1000 DXA on Cayman Brac.
> Because of corrosion should I buy whatever size they really are in 440
> stainless steel and replace them? Anything else I should do if I muster the
> courage to open it up?
>
> 3.  Am I going to have to drill the Rohn 25G rotator plate or are they
> already drilled to work with the bolts to mount the Yaesu G-1000DXA?
>
> 4.  Looked at the shock absorber plate after a post on here the other day.
> Would four of something like this in between a couple of plates do the same
> thing? Any need to have this or no?  I've never owned a Yaesu rotator
> before.
>
> https://www.ebay.com/itm/333896390330?epid=1567122718&hash=item4dbdc696ba:g
> :
> eEcAAOSwUJtgMXv4:sc:ShippingMethodStandard!72761!US!-1
>
> 4.  In case I ever decide to buy one, curious to know whether a G-2800 will
> fit in 25G top section with flat plate top?
>
> Thanks... Stan, ZF9CW
>
>
>
> ------------------------------
>
> Message: 2
> Date: Thu, 3 Jun 2021 08:03:13 -0700
> From: Grant Saviers <grants2 at pacbell.net>
> To: towertalk at contesting.com
> Subject: Re: [TowerTalk] Yaesu Rotator Questions
> Message-ID: <348f4b0c-62bf-abad-5770-4217d3ee276f at pacbell.net>
> Content-Type: text/plain; charset=utf-8; format=flowed
>
> Curious as to what fasteners you used that were better in marine
> environments on aluminum than passivated stainless steel.  Especially
> the M8x1.25 base bolts.
>
> Grant KZ1W
>
> On 6/2/2021 18:54, john at kk9a.com wrote:
> > I used Yaesu G2800DXA rotators at my station in Aruba and had no issues.
> I
> > never took one apart but if the ball bearings are on an aluminum housing
> I
> > would not switch to stainless steel just for the sake of changing it.
> Unless
> > you like galvanic corrosion I would definitely NOT substitute stainless
> > steel hardware with the Yaesu aluminum base and aluminum mast clamps in a
> > corrosive environment. Also, I did not use a shock absorber.
> >
> > John P4/KK9A
> >
> >
> > Stan Stockton ZF9CW wrote:
> >
> > Hoping someone with experience with Yaesu rotators can help me.
> >
> > 1.  DX Engineering website and other websites say the G-1000DXA has one
> > hundred 7/16" diameter ball bearings.  The Yaesu G-1000DXA manual says
> > ninety eight 3/8" diameter ball bearings.  Which is the correct diameter?
> >
> > 2.  I think the ball bearings in these rotators may be chrome as opposed
> to
> > stainless steel.  I'm planning to put up a G-1000 DXA on Cayman Brac.
> > Because of corrosion should I buy whatever size they really are in 440
> > stainless steel and replace them? Anything else I should do if I muster
> the
> > courage to open it up?
> >
> > 3.  Am I going to have to drill the Rohn 25G rotator plate or are they
> > already drilled to work with the bolts to mount the Yaesu G-1000DXA?
> >
> > 4.  Looked at the shock absorber plate after a post on here the other
> day.
> > Would four of something like this in between a couple of plates do the
> same
> > thing? Any need to have this or no?  I've never owned a Yaesu rotator
> > before.
> >
> >
> https://www.ebay.com/itm/333896390330?epid=1567122718&hash=item4dbdc696ba:g
> :
> > eEcAAOSwUJtgMXv4:sc:ShippingMethodStandard!72761!US!-1
> >
> > 4.  In case I ever decide to buy one, curious to know whether a G-2800
> will
> > fit in 25G top section with flat plate top?
> >
> > Thanks... Stan, ZF9CW
> >
> > _______________________________________________
> >
> >
> >
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> ------------------------------
>
> End of TowerTalk Digest, Vol 222, Issue 3
> *****************************************
>