[TowerTalk] Insulators

[K1TTT]

That link I gave was for white.  And what are the rf characteristics of
electric fence fiberglass anyway?


David Robbins K1TTT
e-mail: mailto:k1ttt at arrl.net
web: http://www.k1ttt.net
AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net
 

> -----Original Message-----
> From: Roger (K8RI) [mailto:K8RI-on-TowerTalk at tm.net]
> Sent: Saturday, October 10, 2009 07:15
> To: K1TTT
> Cc: towertalk at contesting.com
> Subject: Re: [TowerTalk] Insulators
> 
> 
> 
> K1TTT wrote:
> > Just remember, you get what you pay for... and if a material isn't
> designed
> > for a specific job then it may not do a very good job at it.  in my
> > experience electric fence post material degrades pretty quickly in the
> > sun/rain, after only a year or two the whole surface is nothing but
> loose
> > fibers.  So if nothing else you might want to consider some uv
> protective
> > paint on it.
> >
> > By comparison, this material is a bit more expensive ($39.54/5'), but
> comes
> > with known size tolerance, tensile strength specs, and statements about
> > environmental performance.  http://www.mcmaster.com/#8543k11/=3zm45w
> > And could probably be on your doorstep Monday or Tuesday.
> >
> But what are it's electrical characteristics and particularly at RF,
> particularly as it's black?
> 
> 73
> 
> Roger (K8RI)
> >
> > David Robbins K1TTT
> > e-mail: mailto:k1ttt at arrl.net
> > web: http://www.k1ttt.net
> > AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net
> >
> >
> >
> >> -----Original Message-----
> >> From: n8de at thepoint.net [mailto:n8de at thepoint.net]
> >> Sent: Friday, October 09, 2009 20:44
> >> To: towertalk at contesting.com
> >> Subject: [TowerTalk] Insulators
> >>
> >> FYI:
> >>
> >> I discovered a new source for insulator material that I will be using
> >> on my 80m tower verticals.
> >>
> >> At the local 'feed store', I found 1+1/4" fiberglass ROD with a few
> >> small pre-drilled holes ... it's designed to be used as an electric
> >> fence post.  The rod is VERY STRONG and should hold up quite well.
> >>
> >> The cost for a 6' rod is about $6 .... quite inexpensive.  Cutting it
> >> into 6+" lengths is quite easy.
> >>
> >> CAUTION:
> >>
> >> When handling this item, WEAR GLOVES as the fiberglass is RAW and will
> >> leave microfibers in your SKIN.
> >>
> >> When CUTTING it or DRILLING it ... wear EYE PROTECTION.  You won't
> >> like the effect should any 'flakes' get in your eyes.
> >>
> >> Tower/antennas going up next week .. .FINALLY.
> >>
> >> Don
> >> N8DE
> >>
> >> _______________________________________________
> >>
> >>
> >>
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> >
> >
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