[TowerTalk] Dipole Center Insulator

Steve Maki lists at oakcom.org
Tue Feb 10 19:25:53 EST 2015


IMO, strain-relief is the Main Attraction for rolling your own 
*connector-less* center insulator. Especially for the scenario where the 
feedpoint is suspended half way between the end supports.

If the feedpoint is located on a middle support, the commercial 
connectorized insulators are fine.

-Steve K8LX

On 2/9/2015 9:52 PM, Gary Johnson wrote:

> What are you experts using for strain relief on the coax? I can’t see
> the PL-259 taking all the tension of a very long length of RG-8 (plus
> a nice fat K9YC choke). I always think of Kellem grips in situations
> like this but I’ve never seen them mentioned in ham applications.




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