[TowerTalk] Insulators

[Roger (K8RI)]

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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