[TowerTalk] Can´t add egg insulator...

[Patrick Greenlee]

Although Cuba can have high humidity, I don't think marine growth will 
be a problem on the guys. Anti-fouling paint is quite toxic and 
expensive and
N O T advisable for guys.  Marine grade paint intended for topsides 
would be OK but better to just use Black Dacron rope for the guys and 
move on to the next issue.

Patrick        NJ5G

On 12/13/2015 11:43 AM, Mike & Becky Krzystyniak wrote:
> Greetings,
>
>       As an alternative, can the steel cable be pre-treated with something like an anti fouling bottom paint (used on boats)?
>
>       Regarding the guy wire resonances debate, I would recommend Douglas you go ahead and put something up as you planed and see how it works.  If you run into an issue it is easy enough to fix afterwards, when you can.
>
> 73  Mike K9MK/5
>
>
> -----Original Message-----
> From: TowerTalk [mailto:towertalk-bounces at contesting.com] On Behalf Of J. Hunt via TowerTalk
> Sent: Sunday, December 13, 2015 11:14 AM
> To: David Robbins; 'reflector -tower'; Douglas Ruz (CO8DM)
> Subject: Re: [TowerTalk] Can´t add egg insulator...
>
> Sorry - I disagree.
>
> Reason, I have a side mounted antenna, whenever it somewhat faces a guy cable, the SWR goes up and performance goes down.
> Using non-resonate guy cables is also mentioned within many  ARRL handbooks and general RF engineering books.
>
> Using galvanized steel cables is important, verses non-galvanized cable.  Future developing corrosion will result in RX noise and TX interference.
>
> Using solid wire is not recommended due eventual fatigue and breakage.  A multiple strand of galvanized cable provides flexibility and corrosion prevention.
>
> I have replaced many rusted out guy cable sets over the years on other peoples towers.  A rusted cable is a genuine noise generator.
>
> My personal tower utilizes 1/4" and 3/16" EHS galvanized steel cable.
>
> Towers that I install use 1/4" and 3/16" EHS galvanized steel cable and/or Phillystran.
>
>
> Thank you,
> James
> ki5dq
>     ... a veteran tower dog
>
>
> --------------------------------------------
> On Sun, 12/13/15, Douglas Ruz (CO8DM) <co8dm at frcuba.co.cu> wrote:
>
>   Subject: Re: [TowerTalk] Can´t add egg insulator...
>   To: "David Robbins" <k1ttt at arrl.net>, "'reflector -tower'" <towertalk at contesting.com>
>   Date: Sunday, December 13, 2015, 10:49 AM
>   
>   OK,
>   
>   I understand 100%.
>   
>   Anyway, if someone here have experiences with solid steel wire...go ahead.
>   
>   I saw few mast installed with solid steel wire (1/4") here...they don´t use  clamps, they just twist the extra wire over the "live" side of the wire.
>   
>   73....Douglas, CO8DM
>   
>   "No creo que haya alguna emoción más intensa para un  inventor que ver alguna  de sus creaciones funcionando. Esa emoción hace que uno se  olvide de comer,  de dormir, de todo." - Nikola Tesla
>   ----- Original Message -----
>   From: "David Robbins" <k1ttt at arrl.net>
>   To: "'Douglas Ruz (CO8DM)'" <co8dm at frcuba.co.cu>;  "'reflector -tower'"
>   <towertalk at contesting.com>
>   Sent: Sunday, December 13, 2015 11:41 AM
>   Subject: RE: [TowerTalk] Can´t add egg insulator...
>   
>   
>   Sorry, it is 1/4" ehs... solid = no insulators.
>   
>   David Robbins K1TTT
>   e-mail: mailto:k1ttt at arrl.net
>   web: http://wiki.k1ttt.net
>   AR-Cluster node: 145.69MHz or telnet://k1ttt.net:7373
>   
>   
>   
>   -----Original Message-----
>   From: Douglas Ruz (CO8DM) [mailto:co8dm at frcuba.co.cu]
>   Sent: Sunday, December 13, 2015 16:26
>   To: David Robbins; reflector -tower
>   Subject: Re: [TowerTalk] Can´t add egg insulator...
>   
>   Glad to hear your experience David...by the way, 1/4" solid steel wire is  available here...it is cheaper than 1/4" EHS galvanized wire and sometimes  galvanized is not available...David, how do you fix the solid steel  wire???...using clamps or any other technic ???...any tips are welcome.
>   
>   I have "TONS" of egg insulators, maybe if i "switch" to 1/4" solid steel  wire I can add egg insulators.
>   
>   I will solve one problem but i will introduce another...corrosion will  attack the solid steel wire faster than galvanized...Imperfect WORLD...hi,  hi...
>   
>   Non conductive materials like Philistran or Dacron are NOT AVAILABLE here.
>   
>   Thanks,
>   
>   73....Douglas, CO8DM
>   
>   "No creo que haya alguna emoción más intensa para un inventor que ver alguna de sus creaciones funcionando. Esa emoción hace que uno se  olvide de comer,  de dormir, de todo." - Nikola Tesla
>   ----- Original Message -----
>   From: "David Robbins" <k1ttt at arrl.net>
>   To: "reflector -tower" <towertalk at contesting.com>
>   Sent: Sunday, December 13, 2015 10:52 AM
>   Subject: Re: [TowerTalk] Can´t add egg insulator...
>   
>   
>   > It isn't that important to use non-resonant guys.  I have 4 guyed towers with solid steel wires and stacks of yagis for 10m through 40m and everything works just as it should.
>   >
>   > David Robbins K1TTT
>   > e-mail: mailto:k1ttt at arrl.net
>   > web: http://wiki.k1ttt.net
>   > AR-Cluster node: 145.69MHz or telnet://k1ttt.net:7373  >  >  >  > -----Original Message-----  > From: TowerTalk [mailto:towertalk-bounces at contesting.com] On Behalf Of J. Hunt via TowerTalk  > Sent: Sunday, December 13, 2015 15:33  > To: towertalk at contesting.com; Douglas Ruz (CO8DM)  > Subject: Re: [TowerTalk] Can´t add egg insulator...
>   >
>   > It is VERY important to use non-resonant steel guy cables on your > frequency(s) of operation.
>   > > A resonant guy cable will have adverse radiation patterns during RX and TX.
>   >
>   > A good example... my guyed tower was constructed years prior the 60m band was introduced.
>   > My tower is guyed at three levels.  Numerous preformed grips and egg insulators were used.
>   >
>   > I rigged up a 60m dipole antenna. During the tuning process, as I neared the resonant frequency, the SWR suddenly sky-rocketed.
>   > Reason - two of my guy cables were resonant within the 60m band.  I scrapped the 60m antenna.
>   >
>   >
>   > Thanks n 73,
>   > James
>   > ki5dq
>   >
>   > --------------------------------------------
>   > On Sun, 12/13/15, Douglas Ruz (CO8DM) <co8dm at frcuba.co.cu> wrote:
>   >
>   > Subject: [TowerTalk] Can´t add egg insulator...
>   > To: towertalk at contesting.com
>   > Date: Sunday, December 13, 2015, 8:47 AM  >  > Hi guys,  >  > I read about resonant guy wires.
>   >
>   > Unfortunately i can´t add egg insulator to build non resonant guy wires. I don´t have enought clamps or guy grip (preform) to  install egg insulators.
>   >
>   > Maybe someone know any other solution.
>   >
>   > I have been modeling my tower on MMANA and i don´t see any interaction with my HD spiderbeam for 10, 15 and 20m.
>   >
>   > My guy wires lengths are: 20 ft (the 1st level ) and 30ft (the 2nd > level).
>   >
>   > any tips are welcome.
>   >
>   > 73....Douglas, CO8DM
>   >
>   > "No creo que haya alguna emoción más intensa para un inventor que ver  > alguna de sus creaciones funcionando. Esa emoción hace que uno se olvide  > de comer, de dormir, de todo." - Nikola Tesla  > _______________________________________________
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