I appreciate the numbers, Jim. We threw away a McMaster-Carr catalog
yesterday here at work (I guess we got a new one)...should'a taken it
home!
BTW...I don't know why I have so much trouble with this but the tower is
Tri-Ex, not Telex. Big difference between towers and headphones :>)
Jack, W6NF
> Jim Lux wrote:
>> vhfplus@bmg50.com wrote:
>>> I want to put up a 65-foot base insulated vertical, likely using Telex
>>> T-15 tower (similar to Rohn 25 but a bit larger). I have a copy of
>>> W0UN's
>>> note about utilizing G-10 rod as insulators but would like additional
>>> information. Does anyone on the llist have personal experience with
>>> such a
>>> base insulator system?
>>>
>>> I am aware that there are commercial insulators available but those are
>>> cost-prohibitive for my meager budget (the G-10 rod will be expensive
>>> enough for my wallet).
>>
>> You don't necessarily need G10. You could use anything that is an
>> insulator and has the needed mechanical properties. Granted, acetal
>> copolymer, Delrin, isn't cheap either, but you could potentially use
>> something that isn't made with Glass or Epoxy (e.g. would linen
>> reinforced phenolic work?)
>>
>
> If you're looking for rod, there's a bunch of alternatives:
> All for 1" diameter pieces from McMaster-Carr (http://www.mcmaster.com)
> straight fiberglass rod $5/ft
> Glass filled Delrin $12/ft
> XX Garolite $10/ft
> G10/FR4 Garolite $19/ft
>
> These are probably all about the same strength (in general).
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