[Elecraft] Balun Questions

[Bob McGraw K4TAX]

I would have concern that long term usage of RG-8X, being foam core 
dielectric material and bent in a tight radius, may allow the center 
conductor to migrate to the inside radius of the bend.  The Minimum Bend 
Radius for RG-8X is 2.50".     Thus the tight bend will allow the center 
conductor to short to the shield.  A solid core dielectric coax such as 
RG-303  is much preferred.

73
Bob, K4TAX



On 2/6/2016 1:22 PM, Guy Olinger K2AV wrote:
> On Saturday, February 6, 2016, Jim Allen <jalleninvest at gmail.com> wrote:
>
>>   I used RG8X coax, a 2.4" core, not sure exactly what mix, and 11 turns.
>>
> There is a *huge* variation in core materials and performance specifics found
> in the FT241 form factor.
>
> It really matters what the actual material is. On 160 the variation in the
> balun could be performance anywhere between fairly decent
> and amazingly pathetic.
>
> 73, Guy K2AV
>