> From: towertalk-request@contesting.com
> Subject: TowerTalk Digest, Vol 158, Issue 52
> To: towertalk@contesting.com
> Date: Fri, 19 Feb 2016 08:03:18 -0500
>
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> Today's Topics:
>
> 1. Re: M2 OR-2800 Rotator Problem (Robert Harmon)
> 2. Re: Looking for alternative sources for fiberglassspreaders
> (Don W7WLL)
> 3. Re: Looking for alternative sources for fiberglassspreaders
> (Tom Hellem)
> 4. Re: Looking for alternative sources for fiberglass spreaders
> (k3gp)
> 5. Hex Beam Fiberglass Spreader Paint? (don't use antifouling
> paint) (John V)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 18 Feb 2016 18:22:46 -0800
> From: Robert Harmon <k6uj@pacbell.net>
> To: towertalk@contesting.com
> Subject: Re: [TowerTalk] M2 OR-2800 Rotator Problem
> Message-ID: <56C67C76.4050406@pacbell.net>
> Content-Type: text/plain; charset=windows-1252; format=flowed
>
> Me again,
> I forgot to mention I just trimmed off the square bottom on the flashing
> so it is
> round.
>
> Bob
> K6UJ
>
> On 2/18/16 6:08 PM, Robert Harmon wrote:
> > Rikki,
> >
> > The Orion 2800's are notorious for water ingress thru the top seal.
> > This is a common issue with these otherwise great rotators.
> > I bet this is the cause of your problems.
> > I have completely rebuilt my 2800 and decided to add rain protection
> > so it will stay dry. I use Oatey EPDM roof flashings clamped on the
> > mast above
> > the 2800 mast clamp. This prevents the water from getting in to the
> > top of the
> > rotator. I dont remember the Oatey number you need to select one.
> > Here is an example, select the size your want. It works great, no
> > water getting in through the top seal.
> >
> > http://www.amazon.com/Oatey-14052-0-25-Inch-4-Inch-Master/dp/B0002YU3LU/ref=sr_1_1?ie=UTF8&qid=1455847548&sr=8-1&keywords=oatey+flashing
> >
> >
> >
> > Bob
> > K6UJ
> >
> >
> > On 2/17/16 11:18 PM, Riki, K7NJ wrote:
> >> The rotator was received, used, as a gift from a friend and has been
> >> working
> >> flawlessly for about 10 years until this winter. I'm not sure about
> >> the
> >> specific model number suffix (after OR-2800), but this has an AC
> >> motor with
> >> the motor capacitor installed inside the rotator housing.
> >>
> >> When the weather gets very cold - below freezing - it won't rotate.
> >> After
> >> the temperature warms up to within a few degrees of freezing, it begins
> >> working again. I believe that the problem is due to one or more of the
> >> following:
> >>
> >> . water ingress
> >>
> >> . old grease that needs to be changed
> >>
> >> . defective motor capacitor
> >>
> >> When the weather warms up, I will remove the rotator from the tower and
> >> proceed to examine and overhaul it. My questions are:
> >>
> >> 1. Does anybody know of a water ingress problem and if so, what
> >> was
> >> the cause and how was it fixed?
> >>
> >> 2. I will degrease and re-grease the rotator with a high
> >> quality low
> >> temperature grease. Molykote 33 Extreme Low Temperature Bearing Grease
> >> (Medium) looks good, but it only has a 5 year shelf life. I'm not
> >> convinced
> >> that it will be good for many years. Any recommendations for a
> >> time-proven
> >> grease that has not been a problem with temperatures as low as -30 F
> >> would
> >> be appreciated.
> >>
> >> 3. I would like to install a highly reliable motor capacitor.
> >> Suggested manufacturers (and those to avoid) would be appreciated.
> >>
> >> 4. Is there anything else that should be cared for while the
> >> rotator
> >> is in the shop?
> >>
> >> Thanks for any help.
> >>
> >> 73, Riki Kline, K7NJ
> >>
> >>
> >>
> >>
> >>
> >> ---
> >> This email has been checked for viruses by Avast antivirus software.
> >> https://www.avast.com/antivirus
> >> _______________________________________________
> >>
> >>
> >>
> >> _______________________________________________
> >> TowerTalk mailing list
> >> TowerTalk@contesting.com
> >> http://lists.contesting.com/mailman/listinfo/towertalk
> >>
> >
> > _______________________________________________
> >
> >
> >
> > _______________________________________________
> > TowerTalk mailing list
> > TowerTalk@contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk
> >
>
>
>
> ------------------------------
>
> Message: 2
> Date: Thu, 18 Feb 2016 23:18:14 -0800
> From: "Don W7WLL" <w7wll@arrl.net>
> To: "Tom Osborne" <w7why@frontier.com>, <towertalk@contesting.com>
> Subject: Re: [TowerTalk] Looking for alternative sources for
> fiberglassspreaders
> Message-ID: <0BAE89B60ACE46F59DD4BE992F8D4996@DonPC>
> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
> reply-type=original
>
> Take a look at these folks who have telescoping fiberglass poles -
> http://wonderpole.com/
>
> Don W7WLL
>
> -----Original Message-----
> From: Tom Osborne
> Sent: Thursday, February 18, 2016 1:21 PM
> To: towertalk@contesting.com
> Subject: Re: [TowerTalk] Looking for alternative sources for
> fiberglassspreaders
>
> I have heard of people using fiberglass pole-vaulting poles. Google should
> give information for you on those. 73
> Tom W7WHY
>
> On Thu, Feb 18, 2016 at 10:39 AM, dw <bw_dw@fastmail.fm> wrote:
>
> > I want to experiment with building a 2-element half-WL wire-beam for
> > 40m.
> > I know that Cubex sells fiberglass poles I could use for spreaders.
> > Does anyone know of any other sources for fiberglass poles?
> >
> > Thanks
> > N1BBR
> > --
> > Bw_dw@fastmail.net
> >
> > _______________________________________________
> >
> >
> >
> > _______________________________________________
> > TowerTalk mailing list
> > TowerTalk@contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk
> >
> _______________________________________________
>
>
>
> _______________________________________________
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>
>
>
>
> ------------------------------
>
> Message: 3
> Date: Fri, 19 Feb 2016 06:00:51 -0700
> From: Tom Hellem <tom.hellem@gmail.com>
> To: towertalk@contesting.com
> Subject: Re: [TowerTalk] Looking for alternative sources for
> fiberglassspreaders
> Message-ID:
> <CANyX0Aq9KeycXE5tO8rRhBiZ1YBrnO4s_6AQCWspf8yotA66rQ@mail.gmail.com>
> Content-Type: text/plain; charset=UTF-8
>
> Here is another source-
> www.mgs4u.com
>
> K0SN
>
> On Fri, Feb 19, 2016 at 12:18 AM, Don W7WLL <w7wll@arrl.net> wrote:
>
> > Take a look at these folks who have telescoping fiberglass poles -
> > http://wonderpole.com/
> >
> > Don W7WLL
> >
> > -----Original Message----- From: Tom Osborne
> > Sent: Thursday, February 18, 2016 1:21 PM
> > To: towertalk@contesting.com
> > Subject: Re: [TowerTalk] Looking for alternative sources for
> > fiberglassspreaders
> >
> > I have heard of people using fiberglass pole-vaulting poles. Google should
> > give information for you on those. 73
> > Tom W7WHY
> >
> > On Thu, Feb 18, 2016 at 10:39 AM, dw <bw_dw@fastmail.fm> wrote:
> >
> > I want to experiment with building a 2-element half-WL wire-beam for
> >> 40m.
> >> I know that Cubex sells fiberglass poles I could use for spreaders.
> >> Does anyone know of any other sources for fiberglass poles?
> >>
> >> Thanks
> >> N1BBR
> >> --
> >> Bw_dw@fastmail.net
> >>
> >> _______________________________________________
> >>
> >>
> >>
> >> _______________________________________________
> >> TowerTalk mailing list
> >> TowerTalk@contesting.com
> >> http://lists.contesting.com/mailman/listinfo/towertalk
> >>
> >> _______________________________________________
> >
> >
> >
> > _______________________________________________
> > TowerTalk mailing list
> > TowerTalk@contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk
> >
> >
> > _______________________________________________
> >
> >
> >
> > _______________________________________________
> > TowerTalk mailing list
> > TowerTalk@contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk
> >
>
>
> ------------------------------
>
> Message: 4
> Date: Thu, 18 Feb 2016 13:50:42 -0500
> From: k3gp <k3gp@neo.rr.com>
> To: dw <bw_dw@fastmail.fm>, TowerTalk <towertalk@contesting.com>
> Subject: Re: [TowerTalk] Looking for alternative sources for
> fiberglass spreaders
> Message-ID: <wge3tdja4cqnh0gfhnlgan7f.1455821442309@email.android.com>
> Content-Type: text/plain; charset=utf-8
>
>
>
> DX Engineering sells telescoping fiberglass tubing.
> 73,
> George K3GP?
>
>
> Sent via the Samsung GALAXY S? 5, an AT&T 4G LTE smartphone
>
> -------- Original message --------
> From: dw <bw_dw@fastmail.fm>
> Date: 2/18/2016 13:39 (GMT-05:00)
> To: TowerTalk <towertalk@contesting.com>
> Subject: [TowerTalk] Looking for alternative sources for fiberglass spreaders
>
> I want to experiment with building a 2-element half-WL wire-beam for
> 40m.
> I know that Cubex sells fiberglass poles I could use for spreaders.
> Does anyone know of any other sources for fiberglass poles?
>
> Thanks
> N1BBR
> --
> Bw_dw@fastmail.net
>
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>
> ------------------------------
>
> Message: 5
> Date: Thu, 18 Feb 2016 13:21:06 -0800
> From: "John V" <vjohnv@cox.net>
> To: <towertalk@contesting.com>
> Subject: [TowerTalk] Hex Beam Fiberglass Spreader Paint? (don't use
> antifouling paint)
> Message-ID: <003201d16a92$47b8adf0$d72a09d0$@net>
> Content-Type: text/plain; charset="us-ascii"
>
> "Message: 3
>
> Date: Wed, 17 Feb 2016 14:18:51 -0600
>
> From: "Mike & Becca Krzystyniak" <k9mk@flash.net>
>
> To: <towertalk@contesting.com>
>
> Subject: Re: [TowerTalk] Hex Beam Fiberglass Spreader Paint?
>
> Message-ID: <007501d169c0$6c06b030$44141090$@net>
>
> Content-Type: text/plain; charset="us-ascii"
>
>
>
> I use an anti-fouling bottom paint. Probabaly the same/similar properties
> as the marine paint."
>
>
>
>
>
>
>
> Just so no one gets the wrong idea, it is not a good idea to use
> "anti-fouling paint" for anything other than the bottom of a boat that
> spends extended time immersed in water. Marine paint and anti-fouling paint
> are two different compounds. Anti-fouling paint can have some nasty
> chemicals in it and even metal oxide -- like copper -- read toxic here.
> There are two major types of bottom paint: ablative and hard paints, I would
> never apply either to the spreaders. There are plenty of "topsides" marine
> paints available and they would be far less expensive than bottom paint.
>
>
>
>
>
> >From Wikipedia.
>
> "In modern times, antifouling paints are formulated with copper
> <https://en.wikipedia.org/wiki/Copper> , organotin
> <https://en.wikipedia.org/wiki/Organotin> compounds, or other biocides
> <https://en.wikipedia.org/wiki/Biocide> -special chemicals which impede
> growth of barnacles, algae, and marine organisms.
>
> "Hard" bottom paints, or "nonsloughing" bottom paints, are made in several
> types. "Contact leaching" paints "create a porous film on the surface.
> Biocides are held in the pores, and released slowly."
> <https://en.wikipedia.org/wiki/Anti-fouling_paint#cite_note-ecofriendly-4>
> [4] Hard bottom paints also include Teflon and silicone coatings, which are
> too slippery for growth to stick. SealCoat systems, which must be
> professionally applied, dry with small fibers sticking out from the coating
> surface. These small fibers move in the water, preventing bottom growth from
> adhering.
> <https://en.wikipedia.org/wiki/Anti-fouling_paint#cite_note-ecofriendly-4>
> [4]"
>
>
>
> Regards, John NA6L
>
>
>
>
>
>
>
>
>
> ------------------------------
>
> Subject: Digest Footer
>
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>
> ------------------------------
>
> End of TowerTalk Digest, Vol 158, Issue 52
> ******************************************
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