Just a side note... WD40 isn't very good at lubricating. It is good at
penetrating and short term lube but should be supplemented with another oil
suitable for the application.
Kevin C. Kidd, CSRE/AMD
AM Ground Systems Company - WD4RAT
kkidd@kkbc.com -- 866-22-RADIO -- 866-227-2346
www.amgroundsystems.com
On Mon, Apr 25, 2016 at 6:20 PM, Ron Morgan via TowerTalk <
towertalk@contesting.com> wrote:
> My USTower would not descend tonight in anticipation of the high winds.
> The motor shaft needed a little WD-40 and a hefty pipe wrench,to,start the
> rotation. Don't wait to do your service. A little oil now may save your
> motor and your tower from wind damage.
>
> Ron Morgan, KB9NW
>
> > On Apr 25, 2016, at 6:14 PM, towertalk-request@contesting.com wrote:
> >
> > Send TowerTalk mailing list submissions to
> > towertalk@contesting.com
> >
> > To subscribe or unsubscribe via the World Wide Web, visit
> > http://lists.contesting.com/mailman/listinfo/towertalk
> > or, via email, send a message with subject or body 'help' to
> > towertalk-request@contesting.com
> >
> > You can reach the person managing the list at
> > towertalk-owner@contesting.com
> >
> > When replying, please edit your Subject line so it is more specific
> > than "Re: Contents of TowerTalk digest..."
> >
> >
> > Today's Topics:
> >
> > 1. Nord-Lock on Amazon (AA6DX - Mark)
> > 2. Re: [Bulk] Rehash of 80 CW/SSB Switchable Dipole/Vee (Jim Brown)
> > 3. Re: New Tower Install (h.duck)
> > 4. Re: Rehash of 80 CW/SSB Switchable Dipole/Vee (Dan Maguire)
> > 5. Re: [Bulk] Lifting a mast off the rotator (Les Kalmus)
> > 6. Re: Lifting a mast off the rotator (Earl Morse)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Mon, 25 Apr 2016 15:20:50 -0700
> > From: "AA6DX - Mark" <aa6dx@arrl.net>
> > To: "TT" <towertalk@contesting.com>
> > Subject: [TowerTalk] Nord-Lock on Amazon
> > Message-ID: <EE58EE8BF0D949A1A20EA0CBDDF77047@AA6DX>
> > Content-Type: text/plain; charset="UTF-8"
> >
> > I keep learning! Did not even know about Nord-Lock washers, but I do
> now! Worky-worky!
> > 73 -- Mark 73 years young! AA6DX ? Eureka
> > http://tinyurl.com/ze52acx
> >
> > ------------------------------
> >
> > Message: 2
> > Date: Mon, 25 Apr 2016 15:23:17 -0700
> > From: Jim Brown <jim@audiosystemsgroup.com>
> > To: towertalk@contesting.com
> > Subject: Re: [TowerTalk] [Bulk] Rehash of 80 CW/SSB Switchable
> > Dipole/Vee
> > Message-ID: <571E98D5.3020606@audiosystemsgroup.com>
> > Content-Type: text/plain; charset=windows-1252; format=flowed
> >
> > Sure, that's a great method, but this question is about something simple
> > to take camping.
> >
> > 73, Jim K9YC
> >
> >> On Mon,4/25/2016 2:49 PM, Grant Saviers wrote:
> >> I think the simplest broadband 80m dipole is the one W6RNL/W6NL
> >> proposed. Resonate at 3675, then 1/2wl of 50 ohm coax to the
> >> feedpoint, then 1/4wl of 75 ohm coax, then any length of 50 ohm you
> like.
> >
> >
> >
> >
> > ------------------------------
> >
> > Message: 3
> > Date: Mon, 25 Apr 2016 17:28:15 -0500
> > From: "h.duck" <h.duck@ameritech.net>
> > To: "Dan Cisson" <n4gnr@windstream.net>, "'Rob Matherly'"
> > <jimrob@gmail.com>, <TowerTalk@contesting.com>
> > Subject: Re: [TowerTalk] New Tower Install
> > Message-ID: <B39943EF65EB4806B7E2D3E871EEA5B9@lenovo>
> > Content-Type: text/plain; format=flowed; charset="iso-8859-1";
> > reply-type=original
> >
> > I don't think you can have copper directly contacting galvanized metal.
> You
> > must use s.s. between or an appropriate compound, however, I am not sure
> > what that compound should be.
> >
> > Howard
> >
> > ----- Original Message -----
> > From: "Dan Cisson" <n4gnr@windstream.net>
> > To: "'Rob Matherly'" <jimrob@gmail.com>; <TowerTalk@contesting.com>
> > Sent: Monday, April 25, 2016 5:10 PM
> > Subject: Re: [TowerTalk] New Tower Install
> >
> >
> >> Rob,,,, first... your base is quite a bit of overkill...For Rohn 25 you
> >> only need 4 X 4 X 4 at the most...I think 3 X 3 X 3 is plenty.
> >> Before that amount of concrete can move the tower will buckle. Rohn 25
> >> is
> >> designed not to go over 30 ft without guy wires.(freestanding)
> >> And with very little wind load (antenna). 50 ft of unguyed tower is
> >> asking
> >> for a disaster !!!!!
> >> A friend of mine in Kentucky, K8MWO, has a 50 ft with a hazer, and a
> >> KT36XA.
> >> He has it guyed once I think at 40 ft. He drops the guys with no wind
> >> blowing, and the hazer comes down and he says maneuvering the guys
> around
> >> the hazer travel
> >> Is the "tricky" part of it. But he has NO PROBLEM with this set up. He
> >> will
> >> gladly answer any emails to help you with a similar setup
> >> As far as grounding,,, ground rods should NEVER go inside concrete. I
> >> ground my tower with a 10 ft rod at each leg, with solid copper
> >> Coming off each leg to the rod. Be sure and ground the guy cables at
> each
> >> anchor with at least an 8 ft rod. You can spend as money on grounding
> >> As you wish,, but this is a good reasonable setup. I would avoid
> cadwelds.
> >> 2
> >> clamps per leg, and 2 on the rod,, you will do good. Do NOT use anything
> >> That will rust up for clamping. If you can get a ground off your
> electric
> >> service to the tower grounds,-even better.
> >> Your 3 inch pipe WILL get water in it... drill some small drain holes
> at
> >> the lowest point. If the pipe is laying in a small bed of gravel,, this
> >> will
> >> Enhance draining,, and not get dirt clogging the holes.
> >> AND all this is MY OPINION... Good Luck,,, Dan N4GNR
> >>
> >> -----Original Message-----
> >> From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of
> Rob
> >> Matherly
> >> Sent: Monday, April 25, 2016 5:42 PM
> >> To: TowerTalk@contesting.com
> >> Subject: [TowerTalk] New Tower Install
> >>
> >> Hi All -
> >>
> >> First time poster to the list, long-time lurker.
> >>
> >> I'm getting set to install my first tower after having been in the hobby
> >> for nearly 20 years. I'm going to install 40' of Rohn25 with a Hazer.
> >> I'm
> >> going to set it in a 4x4x5 block of concrete that I have the option to
> >> make
> >> it taller later on (without the Hazer, of course.)
> >>
> >> Please advise if I am correct: I do not need to guy the tower given the
> >> base size and height, correct? I've been told I can go up to 50'
> unguyed
> >> by some, but others say anything over 40' needs guyed.
> >>
> >> Regarding grounding: I've seen different ways of doing it. What is the
> >> best way to ground the tower? Rod at the bottom of the hole? Rod to
> the
> >> side of the slab?
> >>
> >> I'm going to feed it underground with a 3" CPVC line coming up into a
> >> weatherproof box mounted a short distance from the tower. Do I need to
> >> tie
> >> the ground bus in the cabinet to the ground in the tower, or do I need
> to
> >> keep them separate?
> >>
> >> Thanks
> >>
> >> Rob
> >> w0jrm
> >> _______________________________________________
> >>
> >>
> >>
> >> _______________________________________________
> >> TowerTalk mailing list
> >> TowerTalk@contesting.com
> >> http://lists.contesting.com/mailman/listinfo/towertalk
> >>
> >>
> >> -----
> >> No virus found in this message.
> >> Checked by AVG - www.avg.com
> >> Version: 2016.0.7539 / Virus Database: 4563/12099 - Release Date:
> 04/25/16
> >>
> >> _______________________________________________
> >>
> >>
> >>
> >> _______________________________________________
> >> TowerTalk mailing list
> >> TowerTalk@contesting.com
> >> http://lists.contesting.com/mailman/listinfo/towertalk
> >
> >
> > ---
> > This email is free from viruses and malware because avast! Antivirus
> protection is active.
> > http://www.avast.com
> >
> >
> >
> > ------------------------------
> >
> > Message: 4
> > Date: Mon, 25 Apr 2016 22:38:11 +0000 (UTC)
> > From: Dan Maguire <djm2150@yahoo.com>
> > To: <towertalk@contesting.com>
> > Subject: Re: [TowerTalk] Rehash of 80 CW/SSB Switchable Dipole/Vee
> > Message-ID:
> > <175376733.1667148.1461623891631.JavaMail.yahoo@mail.yahoo.com>
> > Content-Type: text/plain; charset=UTF-8
> >
> > Grant keeps giving me these opportunities! This time he wrote:
> >
> >>>> Resonate at 3675, then 1/2wl of 50 ohm coax to the feedpoint, then
> 1/4wl of 75 ohm coax, then any length of 50 ohm you like.
> >
> > This scenario was written up as an AutoEZ example. See the fourth
> bullet here:
> >
> > http://ac6la.com/aecollection5.html
> >
> > If you are an EZNEC user and you have Microsoft Excel available you can
> run this example using the free Demo version of AutoEZ, downloadable from
> here:
> >
> > http://ac6la.com/aepurchase.html
> >
> > Dan, AC6LA
> >
> >
> > ------------------------------
> >
> > Message: 5
> > Date: Mon, 25 Apr 2016 18:53:50 -0400
> > From: Les Kalmus <w2lk@bk-lk.com>
> > To: towertalk@contesting.com
> > Subject: Re: [TowerTalk] [Bulk] Lifting a mast off the rotator
> > Message-ID: <0621391f-89a0-3d1a-89d2-0414f0c9d6b6@bk-lk.com>
> > Content-Type: text/plain; charset=utf-8; format=flowed
> >
> > Very interesting Grant. Thanks.
> >
> > The 1/4" bolt sits on a split lock washer on top of a 1/2 tall spacer
> > which rests on the drive plate. The centering block is a later style
> > that has a recess that sits over the 1/4" bolt.
> >
> > Do you think the Nord lock will work on this spacer? The spacer is free
> > to rotate with vibration and I think it's bound to come loose again.
> > Or... a Nord lock above and one below the spacer? Where can I buy just a
> > few SS 1/4" Nord locks?
> >
> > Of course, the other option is to not use the centering block but it
> > makes getting things in alignment very easy.
> >
> > Les W2LK
> >
> >
> >
> >> On 4/25/2016 10:41 AM, Grant Saviers wrote:
> >> The used OR-2800 was driving a 3" mast, but I have one driving a 2"
> >> without a centering block w/o problems (so far) but a bigger load is
> >> going onto the 2" mast shortly.
> >>
> >> Medium strength Loctite is a good idea if the internal threads can be
> >> degreased. Instead of a split ring washer, I use Nord-Locks for
> >> critical fasteners. Check out their video re locking fastener tests.
> >>
> >>
> http://cdn.nord-lock.com/wp-content/uploads/2015/12/Nord-Lock-Junker-test-HD_1280x720.mp4
> >>
> >>
> >> Grant KZ1W
> >>
> >>> On 4/24/2016 21:00 PM, Jim Thomson wrote:
> >>> Date: Sun, 24 Apr 2016 20:05:13 -0700
> >>> From: Grant Saviers <grants2@pacbell.net>
> >>> To: Les Kalmus <w2lk@bk-lk.com>, TOWERTALK@contesting.com
> >>> Subject: Re: [TowerTalk] [Bulk] Lifting a mast off the rotator
> >>> Les,
> >>>
> >>> On a used 2800 I acquired the prior owner had secured a cut off box end
> >>> wrench on the center bolt with a screw through the wrench handle and
> >>> threaded into the Orion plate about 2" out from the bolt, oriented so
> >>> the split mast clamp clears the wrench. Now I know why he did that.
> >>>
> >>> Grant KZ1W
> >>>
> >>> ## slick idea, but it wont work if the optional m2 self centering
> >>> 1/2 inch thick,
> >>> triangular chunk of AL is used. When the self centering device is
> >>> use, a really
> >>> long 1/4-20 SS bolt is provided.... to get from top of self
> >>> centering block....
> >>> all the way through the block, then to the threads in the steel base
> >>> plate.
> >>>
> >>> ## I have 2 of the OR-2800 rotors.... and the self centering block
> >>> is only required
> >>> if a 2 inch mast is used. And even then, its really not required
> >>> with a 2 inch mast.
> >>>
> >>> ## The self centering block is pyramid shaped, and the entire
> >>> block fits inside a
> >>> 2 inch mast. Dunno if it will still fit inside a 2 inch mast, that
> >>> has a .375 wall thickness.
> >>>
> >>> ## If a 2 inch mast used, the clamp would normally be adjusted so
> >>> its just a bit bigger
> >>> than 2 inch. If 2 x thrust bearings are used, the self centering
> >>> device is def not required.
> >>>
> >>> ## I would not use it. Instead use the shorter 1/4-20 bolt....
> >>> but use some blue loctite
> >>> on the threads. Purple locite is slightly weaker than blue
> >>> loctite..and will also work. Or at
> >>> least use a SS split ring lockwasher on top of a SS fllatwasher,
> >>> below the bolt head.
> >>>
> >>> ## the scissor jack is a good idea. The simple bottle jacks will
> >>> also work, but have a limited
> >>> amount of vertical lift distance. Cheap, and available from 1/2 to
> >>> 20 ton. The issue with bottle jacks is:
> >>> you can precisely control the lifting function..... but when u go to
> >>> let it down, it comes down quickly.
> >>>
> >>> Jim VE7RF
> >>>
> >>> _______________________________________________
> >>>
> >>>
> >>>
> >>> _______________________________________________
> >>> 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: 6
> > Date: Mon, 25 Apr 2016 16:14:04 -0700
> > From: "Earl Morse" <kz8e@wt.net>
> > To: <towertalk@contesting.com>
> > Subject: Re: [TowerTalk] Lifting a mast off the rotator
> > Message-ID: <20160425161404.4E6B4E20@m0087796.ppops.net>
> > Content-Type: text/plain; charset="UTF-8"
> >
> > Two muffler clamps holding a threaded quick link to the mast and a
> come-a-long hooked to that has allowed me to jack up the 300+ lbs of
> antenna and mast. Have hooked from the bottom of the mast too but that
> gets in the way when you have to insert into the rotor.
> >
> > Earl
> > N8SS
> >
> > --- towertalk-request@contesting.com wrote:
> >
> >
> > ------------------------------
> >
> > Message: 6
> > Date: Mon, 25 Apr 2016 00:13:20 -0400
> > From: "Roger (K8RI) on TT" <K8RI-on-TowerTalk@tm.net>
> > To: towertalk@contesting.com
> > Subject: Re: [TowerTalk] Lifting a mast off the rotator
> > Message-ID: <571D9960.4000003@tm.net>
> > Content-Type: text/plain; charset=utf-8; format=flowed
> >
> > I have a "pry bar" that the end will fit under the mast in my PST61,
> > The pivot point is only a couple inches from the end while the bar is
> > about 2' long, that gives me a 2: 22 multiple (11:1 ), or 400#/11 = 36#
> > on the lever to lift 400. Using that in my system allows me to lift the
> > mast about 1"
> > On my system when we installed the antennas, I simply used a u-bolt
> > clamp, to serve as an anchor point on the mast for a come along.this
> > lifted the mast with the antennas in place. The mast was then clamped
> > in place using a thrust bearing, A 1" block was placed on top of the
> > PST61, centered under the mast clamp the come along was hooked to the
> > u-bolt mast clamp and used to lower the mast into the rotator mast clamp
> > and onto that 1" block for spacing.
> >
> > Possibly some of this may be of help giving you ideas.
> >
> > 73
> >
> > Roger (K8RI)
> >
> >
> >
> > ---
> >
> > End of TowerTalk Digest, Vol 160, Issue 82
> > ******************************************
> >
> >
> >
> >
> > ------------------------------
> >
> > Subject: Digest Footer
> >
> > _______________________________________________
> > TowerTalk mailing list
> > TowerTalk@contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk
> >
> >
> > ------------------------------
> >
> > End of TowerTalk Digest, Vol 160, Issue 92
> > ******************************************
>
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>
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