[TowerTalk] TowerTalk Digest, Vol 210, Issue 24

Wilson Lamb infomet at embarqmail.com
Mon Jun 22 12:16:54 EDT 2020


I'm not a bit surprised.
The PWM speed controller I bought for Pete's solar panels works fine, but I didn't look at RFI.
It hasn't been a problem for him, but it's about 100' from his ant.
And it's not the same as having a nhigh power osc running.
WL
----- towertalk-request at contesting.com wrote:
> Send TowerTalk mailing list submissions to
> 	towertalk at 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 at contesting.com
> 
> You can reach the person managing the list at
> 	towertalk-owner at contesting.com
> 
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of TowerTalk digest..."
> 
> 
> Today's Topics:
> 
>    1. Stacked Yagis on Tower Legs (Jim Thomson)
>    2. FS:  5/16 EHS guy wire set for 120 ft tower (Rich Assarabowski)
>    3. Tilt plate drawings available (Richard (Rick) Karlquist)
>    4. Re: Prelube 6 (Barry Merrill)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Sun, 21 Jun 2020 09:20:58 -0700
> From: "Jim Thomson" <jim.thom at telus.net>
> To: <towertalk at contesting.com>
> Subject: [TowerTalk] Stacked Yagis on Tower Legs
> Message-ID: <FC8D585ADDDE4E8197BC7AAEBE9ED143 at DESKTOPSV54DBH>
> Content-Type: text/plain;	charset="iso-8859-1"
> 
> Date: Sat, 20 Jun 2020 13:23:05 -0700
> From: Grant Saviers <grants2 at pacbell.net>
> To: towertalk at contesting.com
> Subject: Re: [TowerTalk] Stacked Yagis on Tower Legs
> 
> <I admit my statics expertise is a bit ancient but I don't understand the 
> <reasoning for the CW of attaching swing arms to multiple legs for 
> <"structural reasons".  So educate me if my analysis is missing something.
> 
> <Grant KZ1W
> 
> ##  There was a note in  qst years ago, where a fellow mounted a 4 el
> 40m  KLM  yagi  to just one  tower leg using  Rohn-25 G.   It was
> fixed in one direction.  It ripped the tower leg, sheared through, busted the welds etc.
> That was a huge windstorm, big ant..and a small tower, with small diameter 1.25 inch
> tubing legs.  And leg wall thickness is very thin. 
> 
> ##  some angle steel, or angle aluminum, spanning an entire face..and on  2 x faces,
> clamped in 4 x places  would ensure it all  remains intact.  Then repeat for  2nd brace.
> 
> Jim  VE7RF
> 
> 
> 
> 
> 
> ------------------------------
> 
> Message: 2
> Date: Sun, 21 Jun 2020 18:59:48 -0400
> From: "Rich Assarabowski" <konecc at snet.net>
> To: <TowerTalk at contesting.com>
> Subject: [TowerTalk] FS:  5/16 EHS guy wire set for 120 ft tower
> Message-ID: <005601d6481f$aaa3dce0$ffeb96a0$@snet.net>
> Content-Type: text/plain;	charset="us-ascii"
> 
> I have a set of guy wires for a 120 ft tower, 5/16 EHS, broken up every
> 12-14 feet with 502 insulators. The lengths of the 3-level guy wire set are
> approximately 100 ft, 120 ft and 150 ft.  The have been stored indoors for
> several years, very minor surface corrosion here and there.  Pick up in
> Vernon, CT or possibly could deliver within a reasonable distance of CT.
> 
>  
> 
> --- Rich K1CC
> 
> 
> 
> ------------------------------
> 
> Message: 3
> Date: Sun, 21 Jun 2020 16:33:42 -0700
> From: "Richard (Rick) Karlquist" <richard at karlquist.com>
> To: towertalk at contesting.com
> Subject: [TowerTalk] Tilt plate drawings available
> Message-ID: <c8bb3f2c-67f6-be8d-c3ff-2114189642cf at karlquist.com>
> Content-Type: text/plain; charset=utf-8; format=flowed
> 
> Now that NN4ZZ is out of the tilt plate business,
> I wanted to offer the construction drawings I used
> for my homebrew tiltplate that I built in 2006
> before NN4ZZ was selling them.  It has been
> supporting my MonstIR for the last 14 years
> successfully.  There are a bunch of photos
> on www.n6rk.com.  Email me if you would also
> like the drawings.  I will try to get them up
> on the web site when I have time.
> 
> I invented my own latch before NN4ZZ came up
> with the "Karlock".  I still like my latch
> better than the Karlock.
> 
> Rick N6RK
> 
> 
> ------------------------------
> 
> Message: 4
> Date: Mon, 22 Jun 2020 09:16:39 -0500
> From: "Barry Merrill" <w5gn at mxg.com>
> To: <clewis at knology.net>, "'Robert Harmon'" <k6uj at pacbell.net>,
> 	<towertalk at contesting.com>
> Subject: Re: [TowerTalk] Prelube 6
> Message-ID: <008601d6489f$bf1b36c0$3d51a440$@mxg.com>
> Content-Type: text/plain;	charset="us-ascii"
> 
> 
> PRELUBE 6    PRESERVATIVE LUBRICANT 
> Login above to view price.
> ManufacturerPlease log in for MFR info 
> 
> Standard Shelf Life 1460 days       <==== 
> 
> Size12OZ 
> 
> Unit Of MeasureCA 
> 
> Pieces Per PoundN/A 
> 
> DFAR ApplicableNO 
> 
> Revision Level Applicable NO 
> 
> Proprietary PartNO 
> 
> HazardousYES
> 
> 
> 73
> 
> Barry, W5GN
> -----Original Message-----
> From: TowerTalk <towertalk-bounces at contesting.com> On Behalf Of
> clewis at knology.net
> Sent: Friday, June 19, 2020 3:15 PM
> To: 'Robert Harmon' <k6uj at pacbell.net>; towertalk at contesting.com
> Subject: Re: [TowerTalk] Prelube 6
> 
> I have some that's older than that; and it seems to be fine. No hard data,
> but no issues, either. I also use it for lubricating latches and strike
> plates on our exterior doors. Really slick; and I wipe it on bare metal
> parts of tools - like chisels & planes. It seems to have some
> rust-preventive properties in that application, as well, and with no residue
> on the wood being worked. 
> 
> Chuck, N4NM  
> 
> -----Original Message-----
> From: TowerTalk <towertalk-bounces at contesting.com> On Behalf Of Robert
> Harmon
> Sent: Friday, June 19, 2020 1:16 PM
> To: towertalk at contesting.com
> Subject: Re: [TowerTalk] Prelube 6
> 
> Hope it has a long shelf life.I have some abut 5 years old  :-(  
> 
> 
> Bob
> K6UJ
> 
> 
> 
> 
> 
> > On Jun 19, 2020, at 9:30 AM, Kenneth Sobel <kenxxx at optonline.net> wrote:
> > 
> > Does anyone know the shelve life of Prelube 6? I have two cans that I
> bought 18 months ago.
> > _______________________________________________
> > 
> > 
> > 
> > _______________________________________________
> > TowerTalk mailing list
> > TowerTalk at contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk
> 
> _______________________________________________
> 
> 
> 
> _______________________________________________
> TowerTalk mailing list
> TowerTalk at contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
> 
> _______________________________________________
> 
> 
> 
> _______________________________________________
> TowerTalk mailing list
> TowerTalk at contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
> 
> 
> 
> ------------------------------
> 
> Subject: Digest Footer
> 
> _______________________________________________
> TowerTalk mailing list
> TowerTalk at contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
> 
> 
> ------------------------------
> 
> End of TowerTalk Digest, Vol 210, Issue 24
> ******************************************



More information about the TowerTalk mailing list